//
// Main test suite file for the Printer Application Framework
//
// Copyright © 2020-2022 by Michael R Sweet.
//
// Licensed under Apache License v2.0.  See the file "LICENSE" for more
// information.
//
// Usage:
//
//   testpappl [OPTIONS] ["SERVER NAME"]
//
// Options:
//
//   --get-id DEVICE-URI        Show IEEE-1284 device ID for URI
//   --get-status DEVICE-URI    Show printer status bits for URI
//   --get-supplies DEVICE-URI  Show supplies for URI
//   --help                     Show help
//   --list[-TYPE]              List devices (dns-sd, local, network, usb)
//   --no-tls                   Don't support TLS
//   --ps-query DEVICE-URI      Do a PostScript query to get the product string
//   --version                  Show version
//   -1                         Single queue
//   -A PAM-SERVICE             Enable authentication using PAM service
//   -c                         Do a clean run (no loading of state)
//   -d SPOOL-DIRECTORY         Set the spool directory
//   -l LOG-FILE                Set the log file
//   -L LOG-LEVEL               Set the log level (fatal, error, warn, info, debug)
//   -m DRIVER-NAME             Add a printer with the named driver
//   -p PORT                    Set the listen port (default auto)
//   -t TEST-NAME               Run the named test (see below)
//   -T                         Enable TLS-only mode
//   -U                         Enable USB printer gadget
//
// Tests:
//
//   all                  All of the following tests
//   api                  API tests
//   client               Simulated client tests
//   jpeg                 JPEG image tests
//   png                  PNG image tests
//   pwg-raster           PWG Raster tests
//

//
// Include necessary headers...
//

#include <pappl/system-private.h>
#include <cups/dir.h>
#include "testpappl.h"
#include "test.h"
#include <stdlib.h>
#include <limits.h>

#if _WIN32
#  define PATH_MAX	    MAX_PATH
#  define realpath(rel,abs) win32_realpath((rel), (abs))
static inline char *win32_realpath(const char *relpath, char *abspath)
{
  // Win32 version of POSIX realpath that returns proper forward slash directory delimiters and handles
  // DOS drive letters...
  char	temp[MAX_PATH],			// Temporary path buffer
	*tempptr = temp,		// Pointer into temp buffer
	*absptr = abspath,		// Pointer into abspath buffer
	*absend = abspath + MAX_PATH - 1;
					// End of abspath buffer


  // Get the full path with drive letter...
  if (!_fullpath(temp, relpath, sizeof(temp)))
    return (NULL);

  if (isalpha(*tempptr & 255) && tempptr[1] == ':')
  {
    if (*tempptr == (_getdrive() + '@'))
    {
      // Same drive so just skip the drive letter...
      tempptr += 2;
    }
    else
    {
      // Otherwise encode as "/L:"
      *absptr++ = '/';
      *absptr++ = *tempptr++;
      *absptr++ = *tempptr++;
    }
  }

  // Re-encode path using conventional forward slashes...
  while (*tempptr && absptr < absend)
  {
    if (*tempptr == '\\')
      *absptr++ = '/';
    else
      *absptr++ = *tempptr;

    tempptr ++;
  }

  *absptr = '\0';

  return (abspath);
}
#endif // _WIN32


//
// Constants...
//

#define _PAPPL_MAX_TIMER_COUNT	32
#define _PAPPL_TIMER_INTERVAL	5


//
// Local globals...
//

static bool		all_tests_done = false;
					// All tests are done?
static char		current_ssid[32] = "";
					// Current wireless network
static size_t		event_count = 0;// Number of events that have been delivered
static pappl_event_t	event_mask = PAPPL_EVENT_NONE;
					// Events that have been delivered
static int		output_count = 0;
					// Number of expected output files
static char		output_directory[1024] = "";
					// Output directory


//
// Local types...
//

typedef struct _pappl_testdata_s	// Test data
{
  cups_array_t		*names;		// Tests to run
  pappl_system_t	*system;	// System
  const char		*outdirname;	// Output directory
  bool			waitsystem;	// Wait for system to start?
  time_t		timer_start;	// Start time
  int			timer_count;	// Number of times the timer callback has been called
  time_t		timer_times[1000];
					// Timestamps for each timer callback
} _pappl_testdata_t;

typedef struct _pappl_testprinter_s	// Printer test data
{
  bool			pass;		// Pass/fail
  int			count;		// Number of printers
} _pappl_testprinter_t;


//
// Local functions...
//

static http_t	*connect_to_printer(pappl_system_t *system, bool remote, char *uri, size_t urisize);
static void	device_error_cb(const char *message, void *err_data);
static bool	device_list_cb(const char *device_info, const char *device_uri, const char *device_id, void *data);
static int	do_ps_query(const char *device_uri);
static void	event_cb(pappl_system_t *system, pappl_printer_t *printer, pappl_job_t *job, pappl_event_t event, void *data);
static const char *make_raster_file(ipp_t *response, bool grayscale, char *tempname, size_t tempsize);
static void	*run_tests(_pappl_testdata_t *testdata);
static bool	test_api(pappl_system_t *system);
static bool	test_api_printer(pappl_printer_t *printer);
static bool	test_api_printer_cb(pappl_printer_t *printer, _pappl_testprinter_t *tp);
static bool	test_client(pappl_system_t *system);
#if defined(HAVE_LIBJPEG) || defined(HAVE_LIBPNG)
static bool	test_image_files(pappl_system_t *system, const char *prompt, const char *format, int num_files, const char * const *files);
#endif // HAVE_LIBJPEG || HAVE_LIBPNG
static size_t	test_network_get_cb(pappl_system_t *system, void *data, size_t max_networks, pappl_network_t *networks);
static bool	test_network_set_cb(pappl_system_t *system, void *data, size_t num_networks, pappl_network_t *networks);
static bool	test_pwg_raster(pappl_system_t *system);
static bool	test_wifi_join_cb(pappl_system_t *system, void *data, const char *ssid, const char *psk);
static int	test_wifi_list_cb(pappl_system_t *system, void *data, cups_dest_t **ssids);
static pappl_wifi_t *test_wifi_status_cb(pappl_system_t *system, void *data, pappl_wifi_t *wifi_data);
static bool	timer_cb(pappl_system_t *system, _pappl_testdata_t *data);
static int	usage(int status);


//
// 'main()' - Main entry for test suite.
//

int
main(int  argc,				// I - Number of command-line arguments
     char *argv[])			// I - Command-line arguments
{
  int			i;		// Looping var
  const char		*opt,		// Current option
			*name = NULL,	// System name, if any
			*spool = NULL,	// Spool directory, if any
			*outdir = ".",	// Output directory
			*log = NULL,	// Log file, if any
			*auth = NULL,	// Auth service, if any
			*model;		// Current printer model
  cups_array_t		*models;	// Printer models, if any
  int			port = 0;	// Port number, if any
  pappl_loglevel_t	level = PAPPL_LOGLEVEL_DEBUG;
  					// Log level
  bool			clean = false,	// Clean run?
			tls_only = false;
					// Restrict to TLS only?
  char			outdirname[PATH_MAX],
					// Output directory name
			device_uri[1024];
					// Device URI for printers
  pappl_soptions_t	soptions = PAPPL_SOPTIONS_MULTI_QUEUE | PAPPL_SOPTIONS_WEB_INTERFACE | PAPPL_SOPTIONS_WEB_LOG | PAPPL_SOPTIONS_WEB_NETWORK | PAPPL_SOPTIONS_WEB_SECURITY | PAPPL_SOPTIONS_WEB_TLS | PAPPL_SOPTIONS_RAW_SOCKET;
					// System options
  pappl_system_t	*system;	// System
#ifdef __APPLE__
  pthread_t		sysid;		// System thread ID
#endif // __APPLE__
  pappl_printer_t	*printer;	// Printer
  _pappl_testdata_t	testdata;	// Test data
  pthread_t		testid = 0;	// Test thread ID
  void			*ret;		// Return value from thread
  static pappl_contact_t contact =	// Contact information
  {
    "Michael R Sweet",
    "msweet@example.org",
    "+1-705-555-1212"
  };
  static pappl_version_t versions[1] =	// Software versions
  {
    { "Test System", "", "1.3 build 42", { 1, 3, 0, 42 } }
  };


  // Don't buffer stdout/stderr...
  setbuf(stdout, NULL);
  setbuf(stderr, NULL);

#if _WIN32
  // Windows builds put the executables under the "vcnet/Platform/Configuration" directory...
  if (!access("../../../testsuite", 0))
    _chdir("../../../testsuite");

  freopen("testpappl-stderr.log", "w", stderr);
#endif // _WIN32

  // Parse command-line options...
  models               = cupsArrayNew(NULL, NULL, NULL, 0, NULL, NULL);
  testdata.names       = cupsArrayNew(NULL, NULL, NULL, 0, NULL, NULL);
  testdata.timer_count = 0;
  testdata.timer_start = time(NULL);

  for (i = 1; i < argc; i ++)
  {
    if (!strcmp(argv[i], "--get-id"))
    {
      pappl_device_t	*device;		// Device
      char		device_id[1024];	// Device ID string

      i ++;
      if (i >= argc)
      {
        fputs("testpappl: Missing device URI after '--get-id'.\n", stderr);
        return (1);
      }

      if ((device = papplDeviceOpen(argv[i], "get-id", NULL, NULL)) == NULL)
        return (1);
      if (papplDeviceGetID(device, device_id, sizeof(device_id)))
        puts(device_id);
      else
        fprintf(stderr, "testpappl: No device ID for '%s'.\n", argv[i]);

      papplDeviceClose(device);
      return (0);
    }
    else if (!strcmp(argv[i], "--get-status"))
    {
      pappl_device_t	*device;	// Device
      pappl_preason_t	reasons;	// State reason bits

      i ++;
      if (i >= argc)
      {
        fputs("testpappl: Missing device URI after '--get-status'.\n", stderr);
        return (1);
      }

      if ((device = papplDeviceOpen(argv[i], "get-status", NULL, NULL)) == NULL)
        return (1);
      reasons = papplDeviceGetStatus(device);
      papplDeviceClose(device);

      if (!reasons)
        puts("none");
      if (reasons & PAPPL_PREASON_OTHER)
        puts("other");
      if (reasons & PAPPL_PREASON_COVER_OPEN)
        puts("cover-open");
      if (reasons & PAPPL_PREASON_INPUT_TRAY_MISSING)
        puts("input-tray-missing");
      if (reasons & PAPPL_PREASON_MARKER_SUPPLY_EMPTY)
        puts("marker-supply-empty");
      if (reasons & PAPPL_PREASON_MARKER_SUPPLY_LOW)
        puts("marker-supply-low");
      if (reasons & PAPPL_PREASON_MARKER_WASTE_ALMOST_FULL)
        puts("marker-waste-almost-full");
      if (reasons & PAPPL_PREASON_MARKER_WASTE_FULL)
        puts("marker-waste-full");
      if (reasons & PAPPL_PREASON_MEDIA_EMPTY)
        puts("media-empty");
      if (reasons & PAPPL_PREASON_MEDIA_JAM)
        puts("media-jam");
      if (reasons & PAPPL_PREASON_MEDIA_LOW)
        puts("media-low");
      if (reasons & PAPPL_PREASON_MEDIA_NEEDED)
        puts("media-needed");
      if (reasons & PAPPL_PREASON_OFFLINE)
        puts("offline");
      if (reasons & PAPPL_PREASON_SPOOL_AREA_FULL)
        puts("spool-area-full");
      if (reasons & PAPPL_PREASON_TONER_EMPTY)
        puts("toner-empty");
      if (reasons & PAPPL_PREASON_TONER_LOW)
        puts("toner-low");
      if (reasons & PAPPL_PREASON_DOOR_OPEN)
        puts("door-open");
      if (reasons & PAPPL_PREASON_IDENTIFY_PRINTER_REQUESTED)
        puts("identify-printer-requested");
      return (0);
    }
    else if (!strcmp(argv[i], "--get-supplies"))
    {
      pappl_device_t	*device;	// Device
      int		j,		// Looping var
			num_supplies;	// Number of supplies
      pappl_supply_t	supplies[32];	// Supplies
      static const char * const supply_colors[] =
      {					// Supply colors
	"no-color",
	"black",
	"cyan",
	"gray",
	"green",
	"light-cyan",
	"light-gray",
	"light-magenta",
	"magenta",
	"orange",
	"violet",
	"yellow",
	"multi-color"
      };
      static const char * const supply_types[] =
      {					// Supply types
	"bandingSupply",
	"bindingSupply",
	"cleanerUnit",
	"coronaWire",
	"covers",
	"developer",
	"fuserCleaningPad",
	"fuserOilWick",
	"fuserOil",
	"fuserOiler",
	"fuser",
	"inkCartridge",
	"inkRibbon",
	"ink",
	"inserts",
	"opc",
	"paperWrap",
	"ribbonWax",
	"solidWax",
	"staples",
	"stitchingWire",
	"tonerCartridge",
	"toner",
	"transferUnit",
	"wasteInk",
	"wasteToner",
	"wasteWater",
	"wasteWax",
	"water",
	"glueWaterAdditive",
	"wastePaper",
	"shrinkWrap",
	"other",
	"unknown"
      };

      i ++;
      if (i >= argc)
      {
        fputs("testpappl: Missing device URI after '--get-supplies'.\n", stderr);
        return (1);
      }

      if ((device = papplDeviceOpen(argv[i], "get-supplies", NULL, NULL)) == NULL)
        return (1);
      if ((num_supplies = papplDeviceGetSupplies(device, (int)(sizeof(supplies) / sizeof(supplies[0])), supplies)) > 0)
      {
        for (j = 0; j < num_supplies; j ++)
        {
          if (supplies[j].color != PAPPL_SUPPLY_COLOR_NO_COLOR)
	    printf("%40s: %d%% (%s, %s)\n", supplies[j].description, supplies[j].level, supply_types[supplies[j].type], supply_colors[supplies[j].color]);
	  else
	    printf("%40s: %d%% (%s)\n", supplies[j].description, supplies[j].level, supply_types[supplies[j].type]);
	}
      }
      else
        fprintf(stderr, "testpappl: No supplies for '%s'.\n", argv[i]);

      papplDeviceClose(device);
      return (0);
    }
    else if (!strcmp(argv[i], "--help"))
    {
      return (usage(0));
    }
    else if (!strcmp(argv[i], "--list"))
    {
      papplDeviceList(PAPPL_DEVTYPE_ALL, device_list_cb, NULL, device_error_cb, NULL);
      return (0);
    }
    else if (!strcmp(argv[i], "--list-dns-sd"))
    {
      papplDeviceList(PAPPL_DEVTYPE_DNS_SD, device_list_cb, NULL, device_error_cb, NULL);
      return (0);
    }
    else if (!strcmp(argv[i], "--list-local"))
    {
      papplDeviceList(PAPPL_DEVTYPE_LOCAL, device_list_cb, NULL, device_error_cb, NULL);
      return (0);
    }
    else if (!strcmp(argv[i], "--list-network"))
    {
      papplDeviceList(PAPPL_DEVTYPE_NETWORK, device_list_cb, NULL, device_error_cb, NULL);
      return (0);
    }
    else if (!strcmp(argv[i], "--list-usb"))
    {
      papplDeviceList(PAPPL_DEVTYPE_USB, device_list_cb, NULL, device_error_cb, NULL);
      return (0);
    }
    else if (!strcmp(argv[i], "--no-tls"))
    {
      soptions |= PAPPL_SOPTIONS_NO_TLS;
    }
    else if (!strcmp(argv[i], "--ps-query"))
    {
      i ++;
      if (i < argc)
      {
        return (do_ps_query(argv[i]));
      }
      else
      {
        puts("testpappl: Missing device URI after '--ps-query'.");
        return (usage(1));
      }
    }
    else if (!strcmp(argv[i], "--version"))
    {
      puts(PAPPL_VERSION);
      return (0);
    }
    else if (!strncmp(argv[i], "--", 2))
    {
      printf("testpappl: Unknown option '%s'.\n", argv[i]);
      return (usage(1));
    }
    else if (argv[i][0] == '-')
    {
      for (opt = argv[i] + 1; *opt; opt ++)
      {
        switch (*opt)
        {
          case '1' : // -1 (single queue)
              soptions &= (pappl_soptions_t)~PAPPL_SOPTIONS_MULTI_QUEUE;
              break;
          case 'A' : // -A PAM-SERVICE
              i ++;
              if (i >= argc)
              {
                puts("testpappl: Expected PAM service name after '-A'.");
                return (usage(1));
	      }
	      auth = argv[i];
              break;
          case 'c' : // -c (clean run)
              clean = true;
              break;
          case 'd' : // -d SPOOL-DIRECTORY
              i ++;
              if (i >= argc)
              {
                puts("testpappl: Expected spool directory after '-d'.");
                return (usage(1));
	      }
	      spool = argv[i];
              break;
          case 'l' : // -l LOG-FILE
              i ++;
              if (i >= argc)
              {
                puts("testpappl: Expected log file after '-l'.");
                return (usage(1));
	      }
	      log = argv[i];
              break;
          case 'L' : // -L LOG-LEVEL
              i ++;
              if (i >= argc)
              {
                puts("testpappl: Expected log level after '-L'.");
                return (usage(1));
	      }

              if (!strcmp(argv[i], "fatal"))
	      {
                level = PAPPL_LOGLEVEL_FATAL;
	      }
	      else if (!strcmp(argv[i], "error"))
	      {
                level = PAPPL_LOGLEVEL_ERROR;
	      }
	      else if (!strcmp(argv[i], "warn"))
	      {
                level = PAPPL_LOGLEVEL_WARN;
	      }
	      else if (!strcmp(argv[i], "info"))
	      {
                level = PAPPL_LOGLEVEL_INFO;
	      }
	      else if (!strcmp(argv[i], "debug"))
	      {
                level = PAPPL_LOGLEVEL_DEBUG;
	      }
	      else
	      {
	        printf("testpappl: Unknown log level '%s'.\n", argv[i]);
	        return (usage(1));
	      }
              break;
	  case 'm' : // -m DRIVER-NAME
	      i ++;
              if (i >= argc)
              {
                puts("testpappl: Expected driver name after '-m'.");
                return (usage(1));
	      }
	      cupsArrayAdd(models, argv[i]);
              break;
	  case 'o' : // -o OUTPUT-DIRECTORY
	      i ++;
	      if (i >= argc)
	      {
                puts("testpappl: Expected output directory after '-o'.");
                return (usage(1));
	      }
	      outdir = argv[i];
	      break;
          case 'p' : // -p PORT-NUMBER
              i ++;
              if (i >= argc || atoi(argv[i]) <= 0 || atoi(argv[i]) > 32767)
              {
                puts("testpappl: Expected port number after '-p'.");
                return (usage(1));
	      }
	      port = atoi(argv[i]);
              break;
	  case 't' : // -t TEST
	      i ++;
	      if (i >= argc)
	      {
                puts("testpappl: Expected test name after '-t'.");
                return (usage(1));
	      }

	      if (!strcmp(argv[i], "all"))
	      {
	        // Add all tests
		cupsArrayAdd(testdata.names, "api");
		cupsArrayAdd(testdata.names, "client");
		cupsArrayAdd(testdata.names, "jpeg");
		cupsArrayAdd(testdata.names, "png");
		cupsArrayAdd(testdata.names, "pwg-raster");
	      }
	      else if (strchr(argv[i], ','))
	      {
	        // Add comma-delimited tests
	        char	*start,		// Start of current name
			*ptr;		// Pointer into test names

                for (ptr = argv[i]; ptr;)
                {
		  if (!*ptr)
		    break;

                  start = ptr;

                  if ((ptr = strchr(ptr, ',')) != NULL)
                    *ptr++ = '\0';

                  cupsArrayAdd(testdata.names, start);
		}
	      }
	      else
	      {
	        // Add a single test
		cupsArrayAdd(testdata.names, argv[i]);
	      }
	      break;
	  case 'T' : // -T (TLS only)
	      tls_only = true;
	      break;
	  case 'U' : // -U (USB printer gadget)
	      soptions |= PAPPL_SOPTIONS_USB_PRINTER;
	      break;
	  default :
	      printf("testpappl: Unknown option '-%c'.\n", *opt);
	      return (usage(1));
        }
      }
    }
    else if (name)
    {
      printf("testpappl: Unexpected argument '%s'.\n", argv[i]);
      return (usage(1));
    }
    else
    {
      // "SERVER NAME"
      name = argv[i];
    }
  }

  // Clean the log and output directory if necessary
  if (clean && log && strcmp(log, "-") && strcmp(log, "syslog"))
    unlink(log);

  if (clean && outdir && strcmp(outdir, "."))
  {
    // Remove all PWG raster output files from output directory...
    cups_dir_t		*dir;		// Directory
    cups_dentry_t	*dent;		// Directory entry
    char		*ext,		// Extension on filename
			filename[1024];	// Filename

    if ((dir = cupsDirOpen(outdir)) != NULL)
    {
      while ((dent = cupsDirRead(dir)) != NULL)
      {
        // Only remove PWG raster files...
        if ((ext = strrchr(dent->filename, '.')) == NULL || strcmp(ext, ".pwg"))
          continue;

        // Remove this file...
        snprintf(filename, sizeof(filename), "%s/%s", outdir, dent->filename);
        unlink(filename);
      }

      cupsDirClose(dir);
    }
  }

  papplCopyString(output_directory, outdir, sizeof(output_directory));

  // Initialize the system and any printers...
  system = papplSystemCreate(soptions, name ? name : "Test System", port, "_print,_universal", spool, log, level, auth, tls_only);
  papplSystemAddListeners(system, NULL);
  papplSystemAddTimerCallback(system, 0, _PAPPL_TIMER_INTERVAL, (pappl_timer_cb_t)timer_cb, &testdata);
  papplSystemSetEventCallback(system, event_cb, (void *)"testpappl");
  papplSystemSetPrinterDrivers(system, (int)(sizeof(pwg_drivers) / sizeof(pwg_drivers[0])), pwg_drivers, pwg_autoadd, /* create_cb */NULL, pwg_callback, "testpappl");
  papplSystemSetWiFiCallbacks(system, test_wifi_join_cb, test_wifi_list_cb, test_wifi_status_cb, (void *)"testpappl");
  papplSystemAddLink(system, "Configuration", "/config", true);
  papplSystemSetFooterHTML(system,
                           "Copyright &copy; 2020-2022 by Michael R Sweet. "
                           "Provided under the terms of the <a href=\"https://www.apache.org/licenses/LICENSE-2.0\">Apache License 2.0</a>.");
  papplSystemSetNetworkCallbacks(system, test_network_get_cb, test_network_set_cb, (void *)"testnetwork");
  papplSystemSetSaveCallback(system, (pappl_save_cb_t)papplSystemSaveState, (void *)"testpappl.state");
  papplSystemSetVersions(system, (int)(sizeof(versions) / sizeof(versions[0])), versions);
  papplSystemAddStringsData(system, "/en.strings", "en", "\"/\" = \"This is a localized header for the system home page.\";\n\"/network\" = \"This is a localized header for the network configuration page.\";\n\"/printing\" = \"This is a localized header for all printing defaults pages.\";\n\"/Label_Printer/printing\" = \"This is a localized header for the label printer defaults page.\";\n");

  if (access(outdir, 0))
    mkdir(outdir, 0777);

  httpAssembleURIf(HTTP_URI_CODING_ALL, device_uri, sizeof(device_uri), "file", NULL, NULL, 0, "%s?ext=pwg", realpath(outdir, outdirname));

  if (clean || !papplSystemLoadState(system, "testpappl.state"))
  {
    papplSystemSetContact(system, &contact);
    papplSystemSetDNSSDName(system, name ? name : "Test System");
    papplSystemSetGeoLocation(system, "geo:46.4707,-80.9961");
    papplSystemSetLocation(system, "Test Lab 42");
    papplSystemSetOrganization(system, "Lakeside Robotics");

    if (cupsArrayGetCount(models))
    {
      for (model = (const char *)cupsArrayGetFirst(models), i = 1; model; model = (const char *)cupsArrayGetNext(models), i ++)
      {
        char	pname[128];		// Printer name

        if (cupsArrayGetCount(models) == 1)
	  snprintf(pname, sizeof(pname), "%s", name ? name : "Test Printer");
        else
	  snprintf(pname, sizeof(pname), "%s %d", name ? name : "Test Printer", i);

	printer = papplPrinterCreate(system, /* printer_id */0, pname, model, "MFG:PWG;MDL:Test Printer;", device_uri);
	papplPrinterSetContact(printer, &contact);
	papplPrinterSetDNSSDName(printer, pname);
	papplPrinterSetGeoLocation(printer, "geo:46.4707,-80.9961");
	papplPrinterSetLocation(printer, "Test Lab 42");
	papplPrinterSetOrganization(printer, "Lakeside Robotics");
      }
    }
    else
    {
      printer = papplPrinterCreate(system, /* printer_id */0, "Office Printer", "pwg_common-300dpi-600dpi-srgb_8", "MFG:PWG;MDL:Office Printer;", device_uri);
      papplPrinterSetContact(printer, &contact);
      papplPrinterSetDNSSDName(printer, "Office Printer");
      papplPrinterSetGeoLocation(printer, "geo:46.4707,-80.9961");
      papplPrinterSetLocation(printer, "Test Lab 42");
      papplPrinterSetOrganization(printer, "Lakeside Robotics");
      papplPrinterSetMaxPreservedJobs(printer, 3);

      if (soptions & PAPPL_SOPTIONS_MULTI_QUEUE)
      {
	printer = papplPrinterCreate(system, /* printer_id */0, "Label Printer", "pwg_4inch-203dpi-black_1", "MFG:PWG;MDL:Label Printer;", device_uri);
	papplPrinterSetContact(printer, &contact);
	papplPrinterSetDNSSDName(printer, "Label Printer");
	papplPrinterSetGeoLocation(printer, "geo:46.4707,-80.9961");
	papplPrinterSetLocation(printer, "Test Lab 42");
	papplPrinterSetOrganization(printer, "Lakeside Robotics");
      }
    }
  }

  cupsArrayDelete(models);

  // Run any test(s)...
  if (cupsArrayGetCount(testdata.names))
  {
    testdata.outdirname = outdirname;
    testdata.system     = system;

    if (cupsArrayGetCount(testdata.names) == 1 && !strcmp((char *)cupsArrayGetFirst(testdata.names), "api"))
    {
      // Running API test alone does not start system...
      testdata.waitsystem = false;
      return (run_tests(&testdata) != NULL);
    }

    testdata.waitsystem = true;

    if (pthread_create(&testid, NULL, (void *(*)(void *))run_tests, &testdata))
    {
      perror("Unable to start testing thread");
      return (1);
    }
  }

  // Run the system...
#ifdef __APPLE__ // TODO: Implement private/public API for running with UI
  // macOS requires UI code to run on the main thread, so put the system in a
  // background thread...
  if (pthread_create(&sysid, NULL, (void *(*)(void *))papplSystemRun, system))
  {
    perror("Unable to create system thread");
    return (1);
  }

  while (!papplSystemIsRunning(system))
    sleep(1);

  _papplSystemStatusUI(system);

  while (papplSystemIsRunning(system))
    sleep(1);

  pthread_join(sysid, &ret);

#else
  // All other platforms run the system on the main thread...
  papplSystemRun(system);
#endif // __APPLE__

  if (testid)
  {
    if (pthread_join(testid, &ret))
    {
      perror("Unable to get testing thread status");
      return (1);
    }

    return (ret != NULL);
  }

  return (0);
}


//
// 'connect_to_printer()' - Connect to the system and return the printer URI.
//

static http_t *				// O - HTTP connection
connect_to_printer(
    pappl_system_t *system,		// I - System
    bool           remote,		// I - Remote connection
    char           *uri,		// I - URI buffer
    size_t         urisize)		// I - Size of URI buffer
{
  char	host[1024];			// Hostname


  if (remote)
    papplSystemGetHostName(system, host, sizeof(host));
  else
    papplCopyString(host, "localhost", sizeof(host));

  httpAssembleURI(HTTP_URI_CODING_ALL, uri, (cups_len_t)urisize, "ipp", NULL, host, papplSystemGetHostPort(system), "/ipp/print");

  return (httpConnect(host, papplSystemGetHostPort(system), NULL, AF_UNSPEC, HTTP_ENCRYPTION_IF_REQUESTED, 1, 30000, NULL));
}


//
// 'device_error_cb()' - Show a device error message.
//

static void
device_error_cb(const char *message,	// I - Error message
                void       *err_data)	// I - Callback data (unused)
{
  (void)err_data;

  printf("testpappl: %s\n", message);
}


//
// 'device_list_cb()' - List a device.
//

static bool				// O - `true` to stop, `false` to continue
device_list_cb(const char *device_info,	// I - Device description
               const char *device_uri,	// I - Device URI
               const char *device_id,	// I - IEEE-1284 device ID
               void       *data)	// I - Callback data (unused)
{
  (void)data;

  printf("%s\n    %s\n    %s\n", device_info, device_uri, device_id);

  return (false);
}


//
// 'do_ps_query()' - Try doing a simple PostScript device query.
//

static int				// O - Exit status
do_ps_query(const char *device_uri)	// I - Device URI
{
  pappl_device_t	*device;	// Connection to device
  char			buffer[8192];	// Read buffer
  ssize_t		bytes;		// Bytes read


  if ((device = papplDeviceOpen(device_uri, "ps-query", device_error_cb, NULL)) == NULL)
    return (1);

  papplDevicePuts(device, "\033%-12345X%!\nproduct print\n");
  papplDeviceFlush(device);

  if ((bytes = papplDeviceRead(device, buffer, sizeof(buffer) - 1)) > 0)
  {
    buffer[bytes] = '\0';
    puts(buffer);
  }
  else
  {
    puts("<<no response>>");
  }

  papplDeviceClose(device);
  return (0);
}


//
// 'event_cb()' - Accumulate events.
//

void
event_cb(pappl_system_t  *system,	// I - System
         pappl_printer_t *printer,	// I - Printer, if any
         pappl_job_t     *job,		// I - Job, if any
         pappl_event_t   event,		// I - Event
         void            *data)		// I - Callback data
{
//  fprintf(stderr, "event_cb: system=%p, printer=%p, job=%p, event=%08x, data=%p\n", system, printer, job, event, data);

  if (!data || strcmp((char *)data, "testpappl"))
  {
    fputs("testpappl: Bad event callback data.\n", stderr);
    exit(1);
  }

  if (!system)
  {
    fputs("testpappl: Bad system for event callback.\n", stderr);
    exit(1);
  }

  if ((event & PAPPL_EVENT_JOB_ALL) && !job)
  {
    fputs("testpappl: Missing job for event callback.\n", stderr);
    exit(1);
  }

  if ((event & PAPPL_EVENT_PRINTER_ALL) && !printer)
  {
    fputs("testpappl: Missing printer for event callback.\n", stderr);
    exit(1);
  }

  event_count ++;
  event_mask |= event;
}


//
// 'make_raster_file()' - Create a temporary PWG raster file.
//
// Note: Adapted from CUPS "testclient.c"...
//

static const char *                     // O - Print filename
make_raster_file(ipp_t      *response,  // I - Printer attributes
                 bool       grayscale,  // I - Force grayscale?
                 char       *tempname,  // I - Temporary filename buffer
                 size_t     tempsize)   // I - Size of temp file buffer
{
  cups_len_t		i,              // Looping var
			count;          // Number of values
  ipp_attribute_t	*attr;          // Printer attribute
  const char		*type = NULL;   // Raster type (colorspace + bits)
  pwg_media_t		*media = NULL;  // Media size
  int			xdpi = 0,       // Horizontal resolution
			ydpi = 0;       // Vertical resolution
  int			fd;             // Temporary file
  cups_raster_t		*ras;           // Raster stream
  cups_page_header_t	header;         // Page header
  unsigned char		*line,          // Line of raster data
			*lineptr;       // Pointer into line
  unsigned		y,              // Current position on page
			xcount, ycount, // Current count for X and Y
			xrep, yrep,     // Repeat count for X and Y
			xoff, yoff,     // Offsets for X and Y
			yend;           // End Y value
  int			temprow,        // Row in template
			tempcolor;      // Template color
  const char		*template;      // Pointer into template
  const unsigned char	*color;         // Current color
  static const unsigned char colors[][3] =
  {                                     // Colors for test
    { 191, 191, 191 },
    { 127, 127, 127 },
    {  63,  63,  63 },
    {   0,   0,   0 },
    { 255,   0,   0 },
    { 255, 127,   0 },
    { 255, 255,   0 },
    { 127, 255,   0 },
    {   0, 255,   0 },
    {   0, 255, 127 },
    {   0, 255, 255 },
    {   0, 127, 255 },
    {   0,   0, 255 },
    { 127,   0, 255 },
    { 255,   0, 255 }
  };
  static const char * const templates[] =
  {                                     // Raster template
    "PPPP     A    PPPP   PPPP   L      TTTTT  EEEEE   SSS   TTTTT          000     1     222    333      4   55555   66    77777   888    999   ",
    "P   P   A A   P   P  P   P  L        T    E      S   S    T           0   0   11    2   2  3   3  4  4   5      6          7  8   8  9   9  ",
    "P   P  A   A  P   P  P   P  L        T    E      S        T           0   0    1        2      3  4  4   5      6         7   8   8  9   9  ",
    "PPPP   AAAAA  PPPP   PPPP   L        T    EEEE    SSS     T           0 0 0    1      22    333   44444   555   6666      7    888    9999  ",
    "P      A   A  P      P      L        T    E          S    T           0   0    1     2         3     4       5  6   6    7    8   8      9  ",
    "P      A   A  P      P      L        T    E      S   S    T           0   0    1    2      3   3     4   5   5  6   6    7    8   8      9  ",
    "P      A   A  P      P      LLLLL    T    EEEEE   SSS     T            000    111   22222   333      4    555    666     7     888     99   ",
    "                                                                                                                                            "
  };


  // Figure out the the media, resolution, and color mode...
  if ((attr = ippFindAttribute(response, "media-ready", IPP_TAG_KEYWORD)) != NULL)
  {
    // Use ready media...
    if (ippContainsString(attr, "na_letter_8.5x11in"))
      media = pwgMediaForPWG("na_letter_8.5x11in");
    else if (ippContainsString(attr, "iso_a4_210x297mm"))
      media = pwgMediaForPWG("iso_a4_210x297mm");
    else
      media = pwgMediaForPWG(ippGetString(attr, 0, NULL));
  }
  else if ((attr = ippFindAttribute(response, "media-default", IPP_TAG_KEYWORD)) != NULL)
  {
    // Use default media...
    media = pwgMediaForPWG(ippGetString(attr, 0, NULL));
  }
  else
  {
    testEndMessage(false, "no default or ready media reported by printer");
    return (NULL);
  }

  if ((attr = ippFindAttribute(response, "pwg-raster-document-resolution-supported", IPP_TAG_RESOLUTION)) != NULL)
  {
    for (i = 0, count = ippGetCount(attr); i < count; i ++)
    {
      int tempxdpi, tempydpi;
      ipp_res_t tempunits;

      tempxdpi = ippGetResolution(attr, 0, &tempydpi, &tempunits);

      if (i == 0 || tempxdpi < xdpi || tempydpi < ydpi)
      {
        xdpi = tempxdpi;
        ydpi = tempydpi;
      }
    }

    if ((attr = ippFindAttribute(response, "pwg-raster-document-type-supported", IPP_TAG_KEYWORD)) != NULL)
    {
      if (!grayscale && ippContainsString(attr, "srgb_8"))
        type = "srgb_8";
      else if (ippContainsString(attr, "sgray_8"))
        type = "sgray_8";
    }
  }

  if (xdpi < 72 || ydpi < 72)
  {
    testEndMessage(false, "no supported raster resolutions");
    return (NULL);
  }

  if (!type)
  {
    testEndMessage(false, "no supported color spaces or bit depths");
    return (NULL);
  }

  // Make the raster context and details...
#if CUPS_VERSION_MAJOR < 3
  if (!cupsRasterInitPWGHeader(&header, media, type, xdpi, ydpi, "one-sided", NULL))
  {
    testEndMessage(false, "unable to initialize raster context: %s", cupsRasterErrorString());
    return (NULL);
  }

#else // CUPS 3.0+
  cups_size_t cups_media;		// CUPS media information

  memset(&cups_media, 0, sizeof(cups_media));
  papplCopyString(cups_media.media, media->pwg, sizeof(cups_media.media));
  cups_media.width  = media->width;
  cups_media.length = media->length;

  if (!cupsRasterInitHeader(&header, &cups_media, /*optimize*/NULL, IPP_QUALITY_NORMAL, /*intent*/NULL, IPP_ORIENT_PORTRAIT, "one-sided", type, xdpi, ydpi, /*sheet_back*/NULL))
  {
    testEndMessage(false, "unable to initialize raster context: %s", cupsRasterErrorString());
    return (NULL);
  }
#endif // CUPS_VERSION_MAJOR < 3

  header.cupsInteger[CUPS_RASTER_PWG_TotalPageCount] = 1;

  if (header.cupsWidth > (2 * header.HWResolution[0]))
  {
    xoff = header.HWResolution[0] / 2;
    yoff = header.HWResolution[1] / 2;
  }
  else
  {
    xoff = header.HWResolution[0] / 4;
    yoff = header.HWResolution[1] / 4;
  }

  xrep = (header.cupsWidth - 2 * xoff) / 140;
  yrep = xrep * header.HWResolution[1] / header.HWResolution[0];
  yend = header.cupsHeight - yoff;

  // Prepare the raster file...
  if ((line = malloc(header.cupsBytesPerLine)) == NULL)
  {
    testEndMessage(false, "unable to allocate %u bytes for raster output: %s", header.cupsBytesPerLine, strerror(errno));
    return (NULL);
  }

  if ((fd = cupsTempFd(NULL, NULL, tempname, (cups_len_t)tempsize)) < 0)
  {
    testEndMessage(false, "unable to create temporary print file: %s", strerror(errno));
    free(line);
    return (NULL);
  }

  if ((ras = cupsRasterOpen(fd, CUPS_RASTER_WRITE_PWG)) == NULL)
  {
    testEndMessage(false, "unable to open raster stream: %s", cupsRasterErrorString());
    close(fd);
    free(line);
    return (NULL);
  }

  // Write a single page consisting of the template dots repeated over the page.
  cupsRasterWriteHeader(ras, &header);

  memset(line, 0xff, header.cupsBytesPerLine);

  for (y = 0; y < yoff; y ++)
    cupsRasterWritePixels(ras, line, header.cupsBytesPerLine);

  for (temprow = 0, tempcolor = 0; y < yend;)
  {
    template = templates[temprow];
    color    = colors[tempcolor];

    temprow ++;
    if (temprow >= (int)(sizeof(templates) / sizeof(templates[0])))
    {
      temprow = 0;
      tempcolor ++;
      if (tempcolor >= (int)(sizeof(colors) / sizeof(colors[0])))
        tempcolor = 0;
      else if (tempcolor > 3 && header.cupsColorSpace == CUPS_CSPACE_SW)
        tempcolor = 0;
    }

    memset(line, 0xff, header.cupsBytesPerLine);

    if (header.cupsColorSpace == CUPS_CSPACE_SW)
    {
      // Do grayscale output...
      for (lineptr = line + xoff; *template; template ++)
      {
        if (*template != ' ')
        {
          for (xcount = xrep; xcount > 0; xcount --)
            *lineptr++ = *color;
        }
        else
        {
          lineptr += xrep;
        }
      }
    }
    else
    {
      // Do color output...
      for (lineptr = line + 3 * xoff; *template; template ++)
      {
        if (*template != ' ')
        {
          for (xcount = xrep; xcount > 0; xcount --, lineptr += 3)
            memcpy(lineptr, color, 3);
        }
        else
        {
          lineptr += 3 * xrep;
        }
      }
    }

    for (ycount = yrep; ycount > 0 && y < yend; ycount --, y ++)
      cupsRasterWritePixels(ras, line, header.cupsBytesPerLine);
  }

  memset(line, 0xff, header.cupsBytesPerLine);

  for (y = 0; y < header.cupsHeight; y ++)
    cupsRasterWritePixels(ras, line, header.cupsBytesPerLine);

  free(line);

  cupsRasterClose(ras);

  return (tempname);
}


//
// 'run_tests()' - Run named tests.
//

static void *				// O - Thread status
run_tests(_pappl_testdata_t *testdata)	// I - Testing data
{
  const char	*name;			// Test name
  void		*ret = NULL;		// Return thread status
  time_t	curtime;		// Current time
  int		expected;		// Expected timer count
  cups_dir_t	*dir;			// Output directory
  cups_dentry_t	*dent;			// Output file
  int		files = 0;		// Total file count
  off_t		total = 0;		// Total output size
#ifdef HAVE_LIBJPEG
  static const char * const jpeg_files[] =
  {					// List of JPEG files to print
    "portrait-gray.jpg",
    "portrait-color.jpg",
    "landscape-gray.jpg",
    "landscape-color.jpg"
  };
#endif // HAVE_LIBJPEG
#ifdef HAVE_LIBPNG
  static const char * const png_files[] =
  {					// List of PNG files to print
    "portrait-gray.png",
    "portrait-color.png",
    "landscape-gray.png",
    "landscape-color.png"
  };
#endif // HAVE_LIBPNG


  testMessage("Starting tests...");

  if (testdata->waitsystem)
  {
    // Wait for the system to start...
    while (!papplSystemIsRunning(testdata->system))
      sleep(1);
  }

  // Run each test...
  for (name = (const char *)cupsArrayGetFirst(testdata->names); name && !ret && (!papplSystemIsShutdown(testdata->system) || !testdata->waitsystem); name = (const char *)cupsArrayGetNext(testdata->names))
  {
    if (!strcmp(name, "api"))
    {
      if (!test_api(testdata->system))
        ret = (void *)1;
    }
    else if (!strcmp(name, "client"))
    {
      if (!test_client(testdata->system))
        ret = (void *)1;
    }
#ifdef HAVE_LIBJPEG
    else if (!strcmp(name, "jpeg"))
    {
      if (!test_image_files(testdata->system, "jpeg", "image/jpeg", (int)(sizeof(jpeg_files) / sizeof(jpeg_files[0])), jpeg_files))
        ret = (void *)1;
    }
#endif // HAVE_LIBJPEG
#ifdef HAVE_LIBPNG
    else if (!strcmp(name, "png"))
    {
      if (!test_image_files(testdata->system, "png", "image/png", (int)(sizeof(png_files) / sizeof(png_files[0])), png_files))
        ret = (void *)1;
    }
#endif // HAVE_LIBPNG
    else if (!strcmp(name, "pwg-raster"))
    {
      if (!test_pwg_raster(testdata->system))
        ret = (void *)1;
    }
    else
    {
      testBegin("%s", name);
      testEndMessage(false, "unknown test");
      ret = (void *)1;
    }
  }

  // papplSystemSetEventCallback
  testBegin("api: papplSystemSetEventCallback");
  if (event_count > 0 && event_mask == (PAPPL_EVENT_SYSTEM_CONFIG_CHANGED | PAPPL_EVENT_PRINTER_CREATED | PAPPL_EVENT_PRINTER_DELETED | PAPPL_EVENT_PRINTER_CONFIG_CHANGED | PAPPL_EVENT_PRINTER_STATE_CHANGED | PAPPL_EVENT_JOB_COMPLETED | PAPPL_EVENT_JOB_CREATED | PAPPL_EVENT_JOB_PROGRESS | PAPPL_EVENT_JOB_STATE_CHANGED))
  {
    testEndMessage(true, "count=%lu", (unsigned long)event_count);
  }
  else
  {
    int			i;		// Looping var
    pappl_event_t	event;		// Current event
    static const char * const events[31] =
    {					// IPP "notify-events" strings for bits
      "document-completed",
      "document-config-changed",
      "document-created",
      "document-fetchable",
      "document-state-changed",
      "document-stopped",

      "job-completed",
      "job-config-changed",
      "job-created",
      "job-fetchable",
      "job-progress",
      "job-state-changed",
      "job-stopped",

      "printer-config-changed",
      "printer-finishings-changed",
      "printer-media-changed",
      "printer-queue-order-changed",
      "printer-restarted",
      "printer-shutdown",
      "printer-state-changed",
      "printer-stopped",

      "resource-canceled",
      "resource-config-changed",
      "resource-created",
      "resource-installed",
      "resource-changed",

      "printer-created",
      "printer-deleted",

      "system-config-changed",
      "system-state-changed",
      "system-stopped"
    };

    testEndMessage(false, "count=%lu", (unsigned long)event_count);
    ret = (void *)1;

    if (event_mask == PAPPL_EVENT_NONE)
    {
      testError("api: No events captured.");
    }
    else
    {
      for (i = 0, event = PAPPL_EVENT_DOCUMENT_COMPLETED; event <= PAPPL_EVENT_SYSTEM_STOPPED; i ++, event *= 2)
      {
	if (event_mask & event)
	  testError("api: Got notify-event='%s'", events[i]);
      }
    }
  }

  // papplSystemAddTimerCallback
  testBegin("api: papplSystemAddTimerCallback");
  curtime  = time(NULL);
  expected = (int)((curtime - testdata->timer_start + _PAPPL_TIMER_INTERVAL - 1) / _PAPPL_TIMER_INTERVAL);
  if (expected > _PAPPL_MAX_TIMER_COUNT)
    expected = _PAPPL_MAX_TIMER_COUNT;

  if (testdata->timer_count == 0 || testdata->timer_count > _PAPPL_MAX_TIMER_COUNT || abs(expected - testdata->timer_count) > 1)
  {
    int	i;				// Looping var

    testEndMessage(false, "timer_count=%d, expected=%d", testdata->timer_count, expected);
    for (i = 1; i < testdata->timer_count; i ++)
      testMessage("timer@%ld (%ld seconds)", (long)testdata->timer_times[i], (long)(testdata->timer_times[i] - testdata->timer_times[i - 1]));

    ret = (void *)1;
  }
  else
  {
    testEndMessage(true, "timer_count=%d", testdata->timer_count);
  }

  // Summarize results...
  if ((dir = cupsDirOpen(testdata->outdirname)) != NULL)
  {
    while ((dent = cupsDirRead(dir)) != NULL)
    {
      if (!S_ISDIR(dent->fileinfo.st_mode))
      {
        files ++;
        total += dent->fileinfo.st_size;
      }
    }

    cupsDirClose(dir);
  }

  papplSystemShutdown(testdata->system);

  if (files != output_count)
    ret = (void *)1;

  if (ret)
    printf("\nFAILED: %d of %d output file(s), %.1fMB\n", files, output_count, total / 1048576.0);
  else
    printf("\nPASSED: %d of %d output file(s), %.1fMB\n", files, output_count, total / 1048576.0);

  all_tests_done = true;

  return (ret);
}


//
// 'test_api()' - Run API unit tests.
//

static bool				// O - `true` on success, `false` on failure
test_api(pappl_system_t *system)	// I - System
{
  bool			pass = true;	// Pass/fail state
  int			i, j;		// Looping vars
  pappl_contact_t	get_contact,	// Contact for "get" call
			set_contact;	// Contact for ", set" call
  int			get_int,	// Integer for "get" call
			set_int;	// Integer for ", set" call
  char			get_str[1024],	// Temporary string for "get" call
			set_str[1024];	// Temporary string for ", set" call
  int			get_nvers;	// Number of versions for "get" call
  pappl_version_t	get_vers[10],	// Versions for "get" call
			set_vers[10];	// Versions for ", set" call
  const char		*get_value;	// Value for "get" call
  pappl_loglevel_t	get_loglevel,	// Log level for "get" call
			set_loglevel;	// Log level for ", set" call
  size_t		get_size,	// Size for "get" call
			set_size;	// Size for ", set" call
  pappl_printer_t	*printer;	// Current printer
  pappl_loc_t		*loc;		// Current localization
  _pappl_testprinter_t	pdata;		// Printer test data
  const char		*key = "A printer with that name already exists.",
					// Key string
			*text;		// Localized text
  static const char * const languages[] =
  {
    "de",
    "en",
    "es",
    "fr",
    "it",
    "ja"
  };
  static const char * const set_locations[10][2] =
  {
    // Some wonders of the ancient world (all north-eastern portion of globe...)
    { "Great Pyramid of Giza",        "geo:29.979175,31.134358" },
    { "Temple of Artemis at Ephesus", "geo:37.949722,27.363889" },
    { "Statue of Zeus at Olympia",    "geo:37.637861,21.63" },
    { "Colossus of Rhodes",           "geo:36.451111,28.227778" },
    { "Lighthouse of Alexandria",     "geo:31.213889,29.885556" },

    // Other places
    { "Niagara Falls",                "geo:43.0828201,-79.0763516" },
    { "Grand Canyon",                 "geo:36.0545936,-112.2307085" },
    { "Christ the Redeemer",          "geo:-22.9691208,-43.2583044" },
    { "Great Barrier Reef",           "geo:-16.7546653,143.8322946" },
    { "Science North",                "geo:46.4707,-80.9961" }
  };
  static const char * const set_loglevels[] =
  {					// Log level constants
    "UNSPEC",
    "DEBUG",
    "INFO",
    "WARN",
    "ERROR",
    "FATAL"
  };


  for (i = 0; i < (int)(sizeof(languages) / sizeof(languages[0])); i ++)
  {
    // papplSystemFindLoc
    testBegin("api: papplSystemFindLoc('%s')", languages[i]);
    if ((loc = papplSystemFindLoc(system, languages[i])) == NULL)
    {
      testEnd(false);
      pass = false;
    }
    else
      testEnd(true);

    // papplLocGetString
    testBegin("api: papplLocGetString('%s')", key);
    if ((text = papplLocGetString(loc, key)) == NULL || text == key)
    {
      testEndMessage(false, "got %p", text);
      pass = false;
    }
    else if (!strcmp(key, text) && strcmp(languages[i], "en"))
    {
      testEndMessage(false, "not localized");
      pass = false;
    }
    else
      testEndMessage(true, "got '%s'", text);
  }

  // papplSystemFindLoc
  testBegin("api: papplSystemFindLoc('zz')");
  if ((loc = papplSystemFindLoc(system, "zz")) != NULL)
  {
    testEndMessage(false, "got %p", loc);
    pass = false;
  }
  else
    testEndMessage(true, "got NULL");

  // papplLocGetString
  testBegin("api: papplLocGetString('%s')", key);
  if ((text = papplLocGetString(loc, key)) != key)
  {
    testEndMessage(false, "got %p", text);
    pass = false;
  }
  else
    testEndMessage(true, "got key string");

  // papplSystemGet/SetAdminGroup
  testBegin("api: papplSystemGetAdminGroup");
  if (papplSystemGetAdminGroup(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "admin-%d", i);
    testBegin("api: papplSystemGet/SetAdminGroup('%s')", set_str);
    papplSystemSetAdminGroup(system, set_str);
    if (!papplSystemGetAdminGroup(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetAdminGroup(NULL)");
  papplSystemSetAdminGroup(system, NULL);
  if (papplSystemGetAdminGroup(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetContact
  testBegin("api: papplSystemGetContact");
  if (!papplSystemGetContact(system, &get_contact))
  {
    testEndMessage(false, "got NULL, expected 'Michael R Sweet'");
    pass = false;
  }
  else if (strcmp(get_contact.name, "Michael R Sweet"))
  {
    testEndMessage(false, "got '%s', expected 'Michael R Sweet'", get_contact.name);
    pass = false;
  }
  else if (strcmp(get_contact.email, "msweet@example.org"))
  {
    testEndMessage(false, "got '%s', expected 'msweet@example.org'", get_contact.email);
    pass = false;
  }
  else if (strcmp(get_contact.telephone, "+1-705-555-1212"))
  {
    testEndMessage(false, "got '%s', expected '+1-705-555-1212'", get_contact.telephone);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_contact.name, sizeof(set_contact.name), "Admin %d", i);
    snprintf(set_contact.email, sizeof(set_contact.email), "admin-%d@example.org", i);
    snprintf(set_contact.telephone, sizeof(set_contact.telephone), "+1-705-555-%04d", i * 1111);

    testBegin("api: papplSystemGet/SetContact('%s')", set_contact.name);
    papplSystemSetContact(system, &set_contact);
    if (!papplSystemGetContact(system, &get_contact))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_contact.name);
      pass = false;
    }
    else if (strcmp(get_contact.name, set_contact.name))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_contact.name, set_contact.name);
      pass = false;
    }
    else if (strcmp(get_contact.email, set_contact.email))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_contact.email, set_contact.email);
      pass = false;
    }
    else if (strcmp(get_contact.telephone, set_contact.telephone))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_contact.telephone, set_contact.telephone);
      pass = false;
    }
    else
      testEnd(true);
  }

  // papplSystemGet/SetDefaultPrinterID
  testBegin("api: papplSystemGetDefaultPrinterID");
  if ((get_int = papplSystemGetDefaultPrinterID(system)) == 0)
  {
    testEndMessage(false, "got 0, expected > 0");
    pass = false;
  }
  else
    testEndMessage(true, "%d", get_int);

  for (set_int = 2; set_int >= 1; set_int --)
  {
    testBegin("api: papplSystemSetDefaultPrinterID(%d)", set_int);
    papplSystemSetDefaultPrinterID(system, set_int);
    if ((get_int = papplSystemGetDefaultPrinterID(system)) != set_int)
    {
      testEndMessage(false, "got %d, expected %d", get_int, set_int);
      pass = false;
    }
    else
      testEnd(true);
  }

  // papplSystemGet/SetDefaultPrintGroup
  testBegin("api: papplSystemGetDefaultPrintGroup");
  if (papplSystemGetDefaultPrintGroup(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "users-%d", i);
    testBegin("api: papplSystemGet/SetDefaultPrintGroup('%s')", set_str);
    papplSystemSetDefaultPrintGroup(system, set_str);
    if (!papplSystemGetDefaultPrintGroup(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetDefaultPrintGroup(NULL)");
  papplSystemSetDefaultPrintGroup(system, NULL);
  if (papplSystemGetDefaultPrintGroup(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetDNSSDName
  testBegin("api: papplSystemGetDNSSDName");
  if (!papplSystemGetDNSSDName(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'Test System'");
    pass = false;
  }
  else if (strcmp(get_str, "Test System"))
  {
    testEndMessage(false, "got '%s', expected 'Test System'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "System Test %c", i + 'A');
    testBegin("api: papplSystemGet/SetDNSSDName('%s')", set_str);
    papplSystemSetDNSSDName(system, set_str);
    if (!papplSystemGetDNSSDName(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetDNSSDName(NULL)");
  papplSystemSetDNSSDName(system, NULL);
  if (papplSystemGetDNSSDName(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetFooterHTML
  testBegin("api: papplSystemGetFooterHTML");
  if ((get_value = papplSystemGetFooterHTML(system)) == NULL)
  {
    testEndMessage(false, "got NULL, expected 'Copyright ...'");
    pass = false;
  }
  else if (strncmp(get_value, "Copyright &copy; 2020", 21))
  {
    testEndMessage(false, "got '%s', expected 'Copyright ...'", get_value);
    pass = false;
  }
  else
    testEnd(true);

  testBegin("api: papplSystemSetFooterHTML('Mike wuz here.')");
  papplSystemSetFooterHTML(system, "Mike wuz here.");
  if ((get_value = papplSystemGetFooterHTML(system)) == NULL)
  {
    testEndMessage(false, "got NULL, expected 'Mike wuz here.'");
    pass = false;
  }
  else if (papplSystemIsRunning(system))
  {
    // System is running so we can't change the footer text anymore...
    if (strncmp(get_value, "Copyright &copy; 2020", 21))
    {
      testEndMessage(false, "got '%s', expected 'Copyright ...'", get_value);
      pass = false;
    }
    else
      testEnd(true);
  }
  else
  {
    // System is not running so we can change the footer text...
    if (strcmp(get_value, "Mike wuz here."))
    {
      testEndMessage(false, "got '%s', expected 'Mike wuz here.'", get_value);
      pass = false;
    }
    else
      testEnd(true);
  }

  // papplSystemGet/SetGeoLocation
  testBegin("api: papplSystemGetGeoLocation");
  if (!papplSystemGetGeoLocation(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'geo:46.4707,-80.9961'");
    pass = false;
  }
  else if (strcmp(get_str, "geo:46.4707,-80.9961"))
  {
    testEndMessage(false, "got '%s', expected 'geo:46.4707,-80.9961'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  testBegin("api: papplSystemGet/SetGeoLocation('bad-value')");
  papplSystemSetGeoLocation(system, "bad-value");
  if (!papplSystemGetGeoLocation(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'geo:46.4707,-80.9961'");
    pass = false;
  }
  else if (strcmp(get_str, "geo:46.4707,-80.9961"))
  {
    testEndMessage(false, "got '%s', expected 'geo:46.4707,-80.9961'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < (int)(sizeof(set_locations) / sizeof(set_locations[0])); i ++)
  {
    testBegin("api: papplSystemGet/SetGeoLocation('%s')", set_locations[i][1]);
    papplSystemSetGeoLocation(system, set_locations[i][1]);
    if (!papplSystemGetGeoLocation(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_locations[i][1]);
      pass = false;
    }
    else if (strcmp(get_str, set_locations[i][1]))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_locations[i][1]);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetGeoLocation(NULL)");
  papplSystemSetGeoLocation(system, NULL);
  if (papplSystemGetGeoLocation(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetHostname
  testBegin("api: papplSystemGetHostname");
  if (!papplSystemGetHostName(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected '*.domain'");
    pass = false;
  }
  else if (!strchr(get_str, '.'))
  {
    testEndMessage(false, "got '%s', expected '*.domain'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "example%d.org", i);
    testBegin("api: papplSystemGet/SetHostname('%s')", set_str);
    papplSystemSetHostName(system, set_str);
    if (!papplSystemGetHostName(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetHostName(NULL)");
  papplSystemSetHostName(system, NULL);
  if (!papplSystemGetHostName(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected '*.domain'");
    pass = false;
  }
  else if (!strchr(get_str, '.'))
  {
    testEndMessage(false, "got '%s', expected '*.domain'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetLocation
  testBegin("api: papplSystemGetLocation");
  if (!papplSystemGetLocation(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'Test Lab 42'");
    pass = false;
  }
  else if (strcmp(get_str, "Test Lab 42"))
  {
    testEndMessage(false, "got '%s', expected 'Test Lab 42'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < (int)(sizeof(set_locations) / sizeof(set_locations[0])); i ++)
  {
    testBegin("api: papplSystemGet/SetLocation('%s')", set_locations[i][0]);
    papplSystemSetLocation(system, set_locations[i][0]);
    if (!papplSystemGetLocation(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_locations[i][0]);
      pass = false;
    }
    else if (strcmp(get_str, set_locations[i][0]))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_locations[i][0]);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetLocation(NULL)");
  papplSystemSetLocation(system, NULL);
  if (papplSystemGetLocation(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetLogLevel
  testBegin("api: papplSystemGetLogLevel");
  if (papplSystemGetLogLevel(system) == PAPPL_LOGLEVEL_UNSPEC)
  {
    testEndMessage(false, "got PAPPL_LOGLEVEL_UNSPEC, expected another PAPPL_LOGLEVEL_ value");
    pass = false;
  }
  else
    testEnd(true);

  for (set_loglevel = PAPPL_LOGLEVEL_FATAL; set_loglevel >= PAPPL_LOGLEVEL_DEBUG; set_loglevel --)
  {
    testBegin("api: papplSystemSetLogLevel(PAPPL_LOGLEVEL_%s)", set_loglevels[set_loglevel + 1]);
    papplSystemSetLogLevel(system, set_loglevel);
    if ((get_loglevel = papplSystemGetLogLevel(system)) != set_loglevel)
    {
      testEndMessage(false, "got PAPPL_LOGLEVEL_%s, expected PAPPL_LOGLEVEL_%s", set_loglevels[get_loglevel + 1], set_loglevels[set_loglevel + 1]);
      pass = false;
    }
    else
      testEnd(true);
  }

  // papplSystemGet/SetMaxLogSize
  testBegin("api: papplSystemGetMaxLogSize");
  if ((get_size = papplSystemGetMaxLogSize(system)) != (size_t)(1024 * 1024))
  {
    testEndMessage(false, "got %ld, expected %ld", (long)get_size, (long)(1024 * 1024));
    pass = false;
  }
  else
    testEnd(true);

  for (set_size = 0; set_size <= (16 * 1024 * 1024); set_size += 1024 * 1024)
  {
    testBegin("api: papplSystemSetMaxLogSize(%ld)", (long)set_size);
    papplSystemSetMaxLogSize(system, set_size);
    if ((get_size = papplSystemGetMaxLogSize(system)) != set_size)
    {
      testEndMessage(false, "got %ld, expected %ld", (long)get_size,  (long)set_size);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemSetMaxLogSize(0)");
  papplSystemSetMaxLogSize(system, 0);
  if ((get_size = papplSystemGetMaxLogSize(system)) != 0)
  {
    testEndMessage(false, "got %ld, expected 0", (long)get_size);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetNextPrinterID
  testBegin("api: papplSystemGetNextPrinterID");
  if ((get_int = papplSystemGetNextPrinterID(system)) != 3)
  {
    testEndMessage(false, "got %d, expected 3", get_int);
    pass = false;
  }
  else
    testEnd(true);

  set_int = (papplGetRand() % 1000000) + 4;
  testBegin("api: papplSystemSetNextPrinterID(%d)", set_int);
  papplSystemSetNextPrinterID(system, set_int);
  if ((get_int = papplSystemGetNextPrinterID(system)) != set_int)
  {
    if (papplSystemIsRunning(system))
      testEnd(true);
    else
    {
      testEndMessage(false, "got %d, expected %d", get_int, set_int);
      pass = false;
    }
  }
  else
    testEnd(true);

  // papplSystemGet/SetOrganization
  testBegin("api: papplSystemGetOrganization");
  if (!papplSystemGetOrganization(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'Lakeside Robotics'");
    pass = false;
  }
  else if (strcmp(get_str, "Lakeside Robotics"))
  {
    testEndMessage(false, "got '%s', expected 'Lakeside Robotics'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "Organization %c", i + 'A');
    testBegin("api: papplSystemGet/SetOrganization('%s')", set_str);
    papplSystemSetOrganization(system, set_str);
    if (!papplSystemGetOrganization(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetOrganization(NULL)");
  papplSystemSetOrganization(system, NULL);
  if (papplSystemGetOrganization(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetOrganizationalUnit
  testBegin("api: papplSystemGetOrganizationalUnit");
  if (papplSystemGetOrganizationalUnit(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "%c Team", i + 'A');
    testBegin("api: papplSystemGet/SetOrganizationalUnit('%s')", set_str);
    papplSystemSetOrganizationalUnit(system, set_str);
    if (!papplSystemGetOrganizationalUnit(system, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetOrganizationalUnit(NULL)");
  papplSystemSetOrganizationalUnit(system, NULL);
  if (papplSystemGetOrganizationalUnit(system, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplSystemGet/SetUUID
  testBegin("api: papplSystemGetUUID");
  if ((get_value = papplSystemGetUUID(system)) == NULL)
  {
    testEndMessage(false, "got NULL, expected 'urn:uuid:...'");
    pass = false;
  }
  else if (strncmp(get_value, "urn:uuid:", 9))
  {
    testEndMessage(false, "got '%s', expected 'urn:uuid:...'", get_value);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "urn:uuid:%04x%04x-%04x-%04x-%04x-%04x%04x%04x", (unsigned)(papplGetRand() % 65536), (unsigned)(papplGetRand() % 65536), (unsigned)(papplGetRand() % 65536), (unsigned)(papplGetRand() % 65536), (unsigned)(papplGetRand() % 65536), (unsigned)(papplGetRand() % 65536), (unsigned)(papplGetRand() % 65536), (unsigned)(papplGetRand() % 65536));
    testBegin("api: papplSystemGet/SetUUID('%s')", set_str);
    papplSystemSetUUID(system, set_str);
    if ((get_value = papplSystemGetUUID(system)) == NULL)
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (papplSystemIsRunning(system))
    {
      if (!strcmp(get_value, set_str) || strncmp(get_value, "urn:uuid:", 9))
      {
	testEndMessage(false, "got '%s', expected different 'urn:uuid:...'", get_value);
	pass = false;
      }
      else
        testEnd(true);
    }
    else if (strcmp(get_value, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_value, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplSystemGet/SetUUID(NULL)");
  if ((get_value = papplSystemGetUUID(system)) == NULL)
  {
    testEndMessage(false, "unable to get current UUID");
    pass = false;
  }
  else
  {
    papplCopyString(get_str, get_value, sizeof(get_str));

    papplSystemSetUUID(system, NULL);
    if ((get_value = papplSystemGetUUID(system)) == NULL)
    {
      testEndMessage(false, "got NULL, expected 'urn:uuid:...'");
      pass = false;
    }
    else if (papplSystemIsRunning(system))
    {
      if (!strcmp(get_value, set_str) || strncmp(get_value, "urn:uuid:", 9))
      {
	testEndMessage(false, "got '%s', expected different 'urn:uuid:...'", get_value);
	pass = false;
      }
      else
	testEnd(true);
    }
    else if (!strcmp(get_value, set_str))
    {
      testEndMessage(false, "got '%s', expected different '%s'", get_value, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  // papplSystemGet/SetVersions
  testBegin("api: papplSystemGetVersions");

  if ((get_nvers = papplSystemGetVersions(system, (int)(sizeof(get_vers) / sizeof(get_vers[0])), get_vers)) != 1)
  {
    testEndMessage(false, "got %d versions, expected 1", get_nvers);
    pass = false;
  }
  else if (strcmp(get_vers[0].name, "Test System") || strcmp(get_vers[0].sversion, "1.3 build 42"))
  {
    testEndMessage(false, "got '%s v%s', expected 'Test System v1.3 build 42'", get_vers[0].name, get_vers[0].sversion);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    testBegin("api: papplSystemGet/SetVersions(%d)", i + 1);

    memset(set_vers + i, 0, sizeof(pappl_version_t));
    snprintf(set_vers[i].name, sizeof(set_vers[i].name), "Component %c", 'A' + i);
    set_vers[i].version[0] = (unsigned short)(i + 1);
    set_vers[i].version[1] = (unsigned short)(papplGetRand() % 100);
    snprintf(set_vers[i].sversion, sizeof(set_vers[i].sversion), "%u.%02u", set_vers[i].version[0], set_vers[i].version[1]);

    papplSystemSetVersions(system, i + 1, set_vers);

    if ((get_nvers = papplSystemGetVersions(system, (int)(sizeof(get_vers) / sizeof(get_vers[0])), get_vers)) != (i + 1))
    {
      testEndMessage(false, "got %d versions, expected %d", get_nvers, i + 1);
      pass = false;
    }
    else
    {
      for (j = 0; j < get_nvers; j ++)
      {
        if (strcmp(get_vers[j].name, set_vers[j].name) || strcmp(get_vers[j].sversion, set_vers[j].sversion))
	{
	  testEndMessage(false, "got '%s v%s', expected '%s v%s'", get_vers[j].name, get_vers[j].sversion, set_vers[j].name, set_vers[j].sversion);
	  pass = false;
	  break;
	}
      }

      if (j >= get_nvers)
        testEnd(true);
    }
  }

  // papplSystemFindPrinter
  testBegin("api: papplSystemFindPrinter(default)");
  if ((printer = papplSystemFindPrinter(system, "/ipp/print", 0, NULL)) == NULL)
  {
    testEndMessage(false, "got NULL");
    pass = false;
  }
  else if (papplPrinterGetID(printer) != papplSystemGetDefaultPrinterID(system))
  {
    testEndMessage(false, "got printer #%d, expected #%d", papplPrinterGetID(printer), papplSystemGetDefaultPrinterID(system));
    pass = false;
  }
  else
    testEnd(true);

  for (set_int = 1; set_int < 3; set_int ++)
  {
    testBegin("api: papplSystemFindPrinter(%d)", set_int);
    if ((printer = papplSystemFindPrinter(system, NULL, set_int, NULL)) == NULL)
    {
      testEndMessage(false, "got NULL");
      pass = false;
    }
    else
    {
      testEnd(true);
      if (!test_api_printer(printer))
	pass = false;
    }
  }

  // papplPrinterCreate/Delete
  for (i = 0; i < 10; i ++)
  {
    char	name[128];		// Printer name

    snprintf(name, sizeof(name), "test%d", i);
    testBegin("api: papplPrinterCreate(%s)", name);
    if ((printer = papplPrinterCreate(system, 0, name, "pwg_common-300dpi-black_1-sgray_8", "MFG:PWG;MDL:Office Printer;CMD:PWGRaster;", "file:///dev/null")) == NULL)
    {
      testEndMessage(false, "got NULL");
      pass = false;
    }
    else
    {
      testEnd(true);

      get_int = papplPrinterGetID(printer);

      testBegin("api: papplPrinterDelete(%s)", name);
      papplPrinterDelete(printer);

      if (papplSystemFindPrinter(system, NULL, get_int, NULL) != NULL)
      {
        testEndMessage(false, "printer not deleted");
        pass = false;
      }
      else
      {
        testEnd(true);

	testBegin("api: papplPrinterCreate(%s again)", name);
	if ((printer = papplPrinterCreate(system, 0, name, "pwg_common-300dpi-black_1-sgray_8", "MFG:PWG;MDL:Office Printer;CMD:PWGRaster;", "file:///dev/null")) == NULL)
	{
	  testEndMessage(false, "got NULL");
	  pass = false;
	}
	else if (papplPrinterGetID(printer) == get_int)
	{
	  testEndMessage(false, "got the same printer ID");
	  pass = false;
	}
	else
	  testEnd(true);
      }
    }
  }

  // papplSystemIteratePrinters
  testBegin("api: papplSystemIteratePrinters");

  pdata.pass = true;
  pdata.count = 0;

  papplSystemIteratePrinters(system, (pappl_printer_cb_t)test_api_printer_cb, &pdata);

  if (pdata.count != 12)
  {
    testEndMessage(false, "got %d printers, expected 12", pdata.count);
    pass = false;
  }
  else if (!pdata.pass)
  {
    testEndMessage(false, "per-printer test failed");
    pass = false;
  }
  else
    testEnd(true);

  return (pass);
}


//
// 'test_api_printer()' - Test papplPrinter APIs.
//

static bool				// O - `true` on success, `false` on failure
test_api_printer(
    pappl_printer_t *printer)		// I - Printer
{
  bool			pass = true;	// Pass/fail for tests
  int			i;		// Looping vars
  pappl_contact_t	get_contact,	// Contact for "get" call
			set_contact;	// Contact for ", set" call
  int			get_int,	// Integer for "get" call
			set_int;	// Integer for ", set" call
  char			get_str[1024],	// Temporary string for "get" call
			set_str[1024];	// Temporary string for ", set" call
  static const char * const set_locations[10][2] =
  {
    // Some wonders of the ancient world (all north-eastern portion of globe...)
    { "Great Pyramid of Giza",        "geo:29.979175,31.134358" },
    { "Temple of Artemis at Ephesus", "geo:37.949722,27.363889" },
    { "Statue of Zeus at Olympia",    "geo:37.637861,21.63" },
    { "Colossus of Rhodes",           "geo:36.451111,28.227778" },
    { "Lighthouse of Alexandria",     "geo:31.213889,29.885556" },

    // Other places
    { "Niagara Falls",                "geo:43.0828201,-79.0763516" },
    { "Grand Canyon",                 "geo:36.0545936,-112.2307085" },
    { "Christ the Redeemer",          "geo:-22.9691208,-43.2583044" },
    { "Great Barrier Reef",           "geo:-16.7546653,143.8322946" },
    { "Science North",                "geo:46.4707,-80.9961" }
  };


  // papplPrinterGet/SetContact
  testBegin("api: papplPrinterGetContact");
  if (!papplPrinterGetContact(printer, &get_contact))
  {
    testEndMessage(false, "got NULL, expected 'Michael R Sweet'");
    pass = false;
  }
  else if (strcmp(get_contact.name, "Michael R Sweet"))
  {
    testEndMessage(false, "got '%s', expected 'Michael R Sweet'", get_contact.name);
    pass = false;
  }
  else if (strcmp(get_contact.email, "msweet@example.org"))
  {
    testEndMessage(false, "got '%s', expected 'msweet@example.org'", get_contact.email);
    pass = false;
  }
  else if (strcmp(get_contact.telephone, "+1-705-555-1212"))
  {
    testEndMessage(false, "got '%s', expected '+1-705-555-1212'", get_contact.telephone);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_contact.name, sizeof(set_contact.name), "Admin %d", i);
    snprintf(set_contact.email, sizeof(set_contact.email), "admin-%d@example.org", i);
    snprintf(set_contact.telephone, sizeof(set_contact.telephone), "+1-705-555-%04d", i * 1111);

    testBegin("api: papplPrinterGet/SetContact('%s')", set_contact.name);
    papplPrinterSetContact(printer, &set_contact);
    if (!papplPrinterGetContact(printer, &get_contact))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_contact.name);
      pass = false;
    }
    else if (strcmp(get_contact.name, set_contact.name))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_contact.name, set_contact.name);
      pass = false;
    }
    else if (strcmp(get_contact.email, set_contact.email))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_contact.email, set_contact.email);
      pass = false;
    }
    else if (strcmp(get_contact.telephone, set_contact.telephone))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_contact.telephone, set_contact.telephone);
      pass = false;
    }
    else
      testEnd(true);
  }

  // papplPrinterGet/SetPrintGroup
  testBegin("api: papplPrinterGetPrintGroup");
  if (papplPrinterGetPrintGroup(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "users-%d", i);
    testBegin("api: papplPrinterGet/SetPrintGroup('%s')", set_str);
    papplPrinterSetPrintGroup(printer, set_str);
    if (!papplPrinterGetPrintGroup(printer, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplPrinterGet/SetPrintGroup(NULL)");
  papplPrinterSetPrintGroup(printer, NULL);
  if (papplPrinterGetPrintGroup(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplPrinterGet/SetDNSSDName
  testBegin("api: papplPrinterGetDNSSDName");
  if (!papplPrinterGetDNSSDName(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected string");
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "Printer Test %c", i + 'A');
    testBegin("api: papplPrinterGet/SetDNSSDName('%s')", set_str);
    papplPrinterSetDNSSDName(printer, set_str);
    if (!papplPrinterGetDNSSDName(printer, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplPrinterGet/SetDNSSDName(NULL)");
  papplPrinterSetDNSSDName(printer, NULL);
  if (papplPrinterGetDNSSDName(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplPrinterGet/SetGeoLocation
  testBegin("api: papplPrinterGetGeoLocation");
  if (!papplPrinterGetGeoLocation(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'geo:46.4707,-80.9961'");
    pass = false;
  }
  else if (strcmp(get_str, "geo:46.4707,-80.9961"))
  {
    testEndMessage(false, "got '%s', expected 'geo:46.4707,-80.9961'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  testBegin("api: papplPrinterGet/SetGeoLocation('bad-value')");
  papplPrinterSetGeoLocation(printer, "bad-value");
  if (!papplPrinterGetGeoLocation(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'geo:46.4707,-80.9961'");
    pass = false;
  }
  else if (strcmp(get_str, "geo:46.4707,-80.9961"))
  {
    testEndMessage(false, "got '%s', expected 'geo:46.4707,-80.9961'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < (int)(sizeof(set_locations) / sizeof(set_locations[0])); i ++)
  {
    testBegin("api: papplPrinterGet/SetGeoLocation('%s')", set_locations[i][1]);
    papplPrinterSetGeoLocation(printer, set_locations[i][1]);
    if (!papplPrinterGetGeoLocation(printer, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_locations[i][1]);
      pass = false;
    }
    else if (strcmp(get_str, set_locations[i][1]))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_locations[i][1]);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplPrinterGet/SetGeoLocation(NULL)");
  papplPrinterSetGeoLocation(printer, NULL);
  if (papplPrinterGetGeoLocation(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplPrinterGet/SetLocation
  testBegin("api: papplPrinterGetLocation");
  if (!papplPrinterGetLocation(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'Test Lab 42'");
    pass = false;
  }
  else if (strcmp(get_str, "Test Lab 42"))
  {
    testEndMessage(false, "got '%s', expected 'Test Lab 42'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < (int)(sizeof(set_locations) / sizeof(set_locations[0])); i ++)
  {
    testBegin("api: papplPrinterGet/SetLocation('%s')", set_locations[i][0]);
    papplPrinterSetLocation(printer, set_locations[i][0]);
    if (!papplPrinterGetLocation(printer, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_locations[i][0]);
      pass = false;
    }
    else if (strcmp(get_str, set_locations[i][0]))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_locations[i][0]);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplPrinterGet/SetLocation(NULL)");
  papplPrinterSetLocation(printer, NULL);
  if (papplPrinterGetLocation(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplPrinterGet/SetNextJobID
  testBegin("api: papplPrinterGetNextJobID");
  if ((get_int = papplPrinterGetNextJobID(printer)) != 1)
  {
    testEndMessage(false, "got %d, expected 1", get_int);
    pass = false;
  }
  else
    testEnd(true);

  set_int = (papplGetRand() % 1000000) + 2;
  testBegin("api: papplPrinterSetNextJobID(%d)", set_int);
  papplPrinterSetNextJobID(printer, set_int);
  if ((get_int = papplPrinterGetNextJobID(printer)) != set_int)
  {
    testEndMessage(false, "got %d, expected %d", get_int, set_int);
    pass = false;
  }
  else
    testEnd(true);

  // papplPrinterGet/SetOrganization
  testBegin("api: papplPrinterGetOrganization");
  if (!papplPrinterGetOrganization(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got NULL, expected 'Lakeside Robotics'");
    pass = false;
  }
  else if (strcmp(get_str, "Lakeside Robotics"))
  {
    testEndMessage(false, "got '%s', expected 'Lakeside Robotics'", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "Organization %c", i + 'A');
    testBegin("api: papplPrinterGet/SetOrganization('%s')", set_str);
    papplPrinterSetOrganization(printer, set_str);
    if (!papplPrinterGetOrganization(printer, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplPrinterGet/SetOrganization(NULL)");
  papplPrinterSetOrganization(printer, NULL);
  if (papplPrinterGetOrganization(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  // papplPrinterGet/SetOrganizationalUnit
  testBegin("api: papplPrinterGetOrganizationalUnit");
  if (papplPrinterGetOrganizationalUnit(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  for (i = 0; i < 10; i ++)
  {
    snprintf(set_str, sizeof(set_str), "%c Team", i + 'A');
    testBegin("api: papplPrinterGet/SetOrganizationalUnit('%s')", set_str);
    papplPrinterSetOrganizationalUnit(printer, set_str);
    if (!papplPrinterGetOrganizationalUnit(printer, get_str, sizeof(get_str)))
    {
      testEndMessage(false, "got NULL, expected '%s'", set_str);
      pass = false;
    }
    else if (strcmp(get_str, set_str))
    {
      testEndMessage(false, "got '%s', expected '%s'", get_str, set_str);
      pass = false;
    }
    else
      testEnd(true);
  }

  testBegin("api: papplPrinterGet/SetOrganizationalUnit(NULL)");
  papplPrinterSetOrganizationalUnit(printer, NULL);
  if (papplPrinterGetOrganizationalUnit(printer, get_str, sizeof(get_str)))
  {
    testEndMessage(false, "got '%s', expected NULL", get_str);
    pass = false;
  }
  else
    testEnd(true);

  return (pass);
}


//
// 'test_api_printer_cb()' - Iterator callback for testing printers.
//

static bool				// O - `true` to continue
test_api_printer_cb(
    pappl_printer_t      *printer,	// I - Printer
    _pappl_testprinter_t *tp)		// I - Printer test data
{
  tp->count ++;

  if (!printer)
    tp->pass = false;
  else if (!papplPrinterGetName(printer))
    tp->pass = false;
  else
  {
    char	get_str[128];		// Location string

    papplPrinterSetLocation(printer, "Nowhere");
    if (!papplPrinterGetLocation(printer, get_str, sizeof(get_str)) || strcmp(get_str, "Nowhere"))
      tp->pass = false;
  }

  return (true);
}


//
// 'test_client()' - Run simulated client tests.
//

static bool				// O - `true` on success, `false` on failure
test_client(pappl_system_t *system)	// I - System
{
  bool		ret = false;		// Return value
  http_t	*http;			// HTTP connection
  char		uri[1024],		// "printer-uri" value
		filename[1024] = "",	// Print file
	        outfile[1024];		// Output file
  ipp_t		*request,		// Request
		*response,		// Response
		*supported = NULL;	// Supported values
  ipp_attribute_t *attr;		// Attribute
  pappl_event_t	recv_events = PAPPL_EVENT_NONE;
					// Accumulated events
  int		i,			// Looping var
		job_id,			// "job-id" value
		subscription_id;	// "notify-subscription-id" value
  ipp_jstate_t	job_state;		// "job-state" value
  time_t	end;			// End time
  static const char * const events[] =	// "notify-events" attribute
  {
    "job-completed",
    "job-created",
    "job-progress",
    "job-state-changed",
    "printer-created",
    "printer-deleted",
    "printer-config-changed",
    "printer-state-changed"
  };
  static const char * const pattrs[] =	// Printer attributes
  {
    "printer-contact-col",
    "printer-current-time",
    "printer-geo-location",
    "printer-location",
    "printer-name",
    "printer-state",
    "printer-state-reasons",
    "printer-uuid",
    "printer-uri-supported"
  };
  static const char * const sattrs[] =	// System attributes
  {
    "system-contact-col",
    "system-current-time",
    "system-geo-location",
    "system-location",
    "system-name",
    "system-state",
    "system-state-reasons",
    "system-uuid",
    "system-xri-supported"
  };


  // Connect to system...
  testBegin("client: Connect to server");
  if ((http = connect_to_printer(system, false, uri, sizeof(uri))) == NULL)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    return (false);
  }
  else
  {
    testEnd(true);
  }

  // Test Get-System-Attributes
  testBegin("client: Get-System-Attributes");

  request = ippNewRequest(IPP_OP_GET_SYSTEM_ATTRIBUTES);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  response = cupsDoRequest(http, request, "/ipp/system");

  if (cupsLastError() != IPP_STATUS_OK)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    ippDelete(response);
    goto done;
  }
  else
  {
    for (i = 0; i < (int)(sizeof(sattrs) / sizeof(sattrs[0])); i ++)
    {
      if (!ippFindAttribute(response, sattrs[i], IPP_TAG_ZERO))
      {
	testEndMessage(false, "Missing required '%s' attribute in response", sattrs[i]);
	ippDelete(response);
	goto done;
      }
    }

    testEnd(true);
    ippDelete(response);
  }

  // Test Get-Printers
  testBegin("client: Get-Printers");

  request = ippNewRequest(IPP_OP_GET_PRINTERS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  response = cupsDoRequest(http, request, "/ipp/system");

  if (cupsLastError() != IPP_STATUS_OK)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    ippDelete(response);
    goto done;
  }
  else
  {
    for (i = 0; i < (int)(sizeof(pattrs) / sizeof(pattrs[0])); i ++)
    {
      if (!ippFindAttribute(response, pattrs[i], IPP_TAG_ZERO))
      {
	testEndMessage(false, "Missing required '%s' attribute in response", pattrs[i]);
	ippDelete(response);
	goto done;
      }
    }

    testEnd(true);
    ippDelete(response);
  }

  // Test Get-Printer-Attributes on /
  testBegin("client: Get-Printer-Attributes=/");

  request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  response = cupsDoRequest(http, request, "/");

  if (cupsLastError() != IPP_STATUS_OK)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    ippDelete(response);
    goto done;
  }
  else
  {
    for (i = 0; i < (int)(sizeof(pattrs) / sizeof(pattrs[0])); i ++)
    {
      if (!ippFindAttribute(response, pattrs[i], IPP_TAG_ZERO))
      {
	testEndMessage(false, "Missing required '%s' attribute in response", pattrs[i]);
	ippDelete(response);
        goto done;
      }
    }

    testEnd(true);
    ippDelete(response);
  }

  // Test Get-Printer-Attributes on /ipp/print
  testBegin("client: Get-Printer-Attributes=/ipp/print");

  request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  supported = cupsDoRequest(http, request, "/ipp/print");

  if (cupsLastError() != IPP_STATUS_OK)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }
  else
  {
    for (i = 0; i < (int)(sizeof(pattrs) / sizeof(pattrs[0])); i ++)
    {
      if (!ippFindAttribute(supported, pattrs[i], IPP_TAG_ZERO))
      {
	testEndMessage(false, "Missing required '%s' attribute in response", pattrs[i]);
	goto done;
      }
    }

    testEnd(true);
  }

  // Create a system subscription for a variety of events...
  testBegin("client: Create-System-Subscriptions");

  request = ippNewRequest(IPP_OP_CREATE_SYSTEM_SUBSCRIPTIONS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  ippAddStrings(request, IPP_TAG_SUBSCRIPTION, IPP_CONST_TAG(IPP_TAG_KEYWORD), "notify-events", sizeof(events) / sizeof(events[0]), NULL, events);
  ippAddInteger(request, IPP_TAG_SUBSCRIPTION, IPP_TAG_INTEGER, "notify-lease-duration", 60);
  ippAddString(request, IPP_TAG_SUBSCRIPTION, IPP_CONST_TAG(IPP_TAG_KEYWORD), "notify-pull-method", NULL, "ippget");

  response        = cupsDoRequest(http, request, "/ipp/system");
  subscription_id = ippGetInteger(ippFindAttribute(response, "notify-subscription-id", IPP_TAG_INTEGER), 0);
  ippDelete(response);

  if (cupsLastError() != IPP_STATUS_OK)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }
  else if (subscription_id == 0)
  {
    testEndMessage(false, "missing required 'notify-subscription-id' attribute in response");
    goto done;
  }
  else
  {
    testEndMessage(true, "notify-subscription-id=%d", subscription_id);
  }

  end = time(NULL) + 70;

  // Verify the subscription exists...
  testBegin("client: Get-Subscription-Attributes");

  request = ippNewRequest(IPP_OP_GET_SUBSCRIPTION_ATTRIBUTES);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "notify-subscription-id", subscription_id);
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  response = cupsDoRequest(http, request, "/ipp/system");
  attr     = ippFindAttribute(response, "notify-events", IPP_TAG_KEYWORD);
  ippDelete(response);

  if (cupsLastError() != IPP_STATUS_OK)
  {
    printf("FAIL(%s)\n", cupsLastErrorString());
    goto done;
  }
  else if (!attr)
  {
    testEndMessage(false, "missing 'notify-events' attribute");
    goto done;
  }
  else
  {
    testEnd(true);
  }

  // Send a print job to get some events...
  testBegin("client: Make raster print file");
  if (!make_raster_file(supported, false, filename, sizeof(filename)))
    goto done;
  testEnd(true);

  testBegin("client: Print-Job (Raster)");
  request = ippNewRequest(IPP_OP_PRINT_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_MIMETYPE), "document-format", NULL, "image/pwg-raster");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_NAME), "job-name", NULL, "Client Test Raster Job");

  response = cupsDoFileRequest(http, request, "/ipp/print", filename);
  job_id   = ippGetInteger(ippFindAttribute(response, "job-id", IPP_TAG_INTEGER), 0);

  ippDelete(response);

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEndMessage(true, "job-id=%d", job_id);
  output_count ++;

#ifdef HAVE_LIBJPEG
  testBegin("client: Print-Job (JPEG)");
  request = ippNewRequest(IPP_OP_PRINT_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_MIMETYPE), "document-format", NULL, "image/jpeg");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_NAME), "job-name", NULL, "Client Test JPEG Job");
  ippAddString(request, IPP_TAG_JOB, IPP_CONST_TAG(IPP_TAG_KEYWORD), "job-hold-until", NULL, "indefinite");

  if (access("portrait-color.jpg", R_OK))
    papplCopyString(filename, "testsuite/portrait-color.jpg", sizeof(filename));
  else
    papplCopyString(filename, "portrait-color.jpg", sizeof(filename));

  response = cupsDoFileRequest(http, request, "/ipp/print", filename);
  job_id   = ippGetInteger(ippFindAttribute(response, "job-id", IPP_TAG_INTEGER), 0);

  ippDelete(response);

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEndMessage(true, "job-id=%d", job_id);

  testBegin("client: Release-Job (JPEG)");
  request = ippNewRequest(IPP_OP_RELEASE_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  ippDelete(cupsDoRequest(http, request, "/ipp/print"));

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEnd(true);

  testBegin("client: Get-Job-Attributes (JPEG)");
  do
  {
    request = ippNewRequest(IPP_OP_GET_JOB_ATTRIBUTES);
    ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
    ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

    response  = cupsDoRequest(http, request, "/ipp/print");
    job_state = (ipp_jstate_t)ippGetInteger(ippFindAttribute(response, "job-state", IPP_TAG_ENUM), 0);
    ippDelete(response);

    if (cupsLastError() == IPP_STATUS_OK && job_state < IPP_JSTATE_CANCELED)
      sleep(1);
  }
  while (cupsLastError() == IPP_STATUS_OK && job_state < IPP_JSTATE_CANCELED);

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEndMessage(job_state == IPP_JSTATE_COMPLETED, "job-state=%s", ippEnumString("job-state", (int)job_state));
  output_count ++;
#endif // HAVE_LIBJPEG

#ifdef HAVE_LIBPNG
  testBegin("client: Print-Job (PNG)");
  request = ippNewRequest(IPP_OP_PRINT_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_MIMETYPE), "document-format", NULL, "image/png");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_NAME), "job-name", NULL, "Client Test PNG Job");
  ippAddString(request, IPP_TAG_JOB, IPP_CONST_TAG(IPP_TAG_KEYWORD), "job-hold-until", NULL, "indefinite");

  if (access("portrait-color.png", R_OK))
    papplCopyString(filename, "testsuite/portrait-color.png", sizeof(filename));
  else
    papplCopyString(filename, "portrait-color.png", sizeof(filename));

  response = cupsDoFileRequest(http, request, "/ipp/print", filename);
  job_id   = ippGetInteger(ippFindAttribute(response, "job-id", IPP_TAG_INTEGER), 0);

  ippDelete(response);

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEndMessage(true, "job-id=%d", job_id);

  testBegin("client: Release-Job (PNG)");
  request = ippNewRequest(IPP_OP_RELEASE_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  ippDelete(cupsDoRequest(http, request, "/ipp/print"));

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEnd(true);

  testBegin("client: Get-Job-Attributes (PNG)");
  do
  {
    request = ippNewRequest(IPP_OP_GET_JOB_ATTRIBUTES);
    ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
    ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

    response  = cupsDoRequest(http, request, "/ipp/print");
    job_state = (ipp_jstate_t)ippGetInteger(ippFindAttribute(response, "job-state", IPP_TAG_ENUM), 0);
    ippDelete(response);

    if (cupsLastError() == IPP_STATUS_OK && job_state < IPP_JSTATE_CANCELED)
      sleep(1);
  }
  while (cupsLastError() == IPP_STATUS_OK && job_state < IPP_JSTATE_CANCELED);

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEndMessage(job_state == IPP_JSTATE_COMPLETED, "job-state=%s", ippEnumString("job-state", (int)job_state));
  output_count ++;
#endif // HAVE_LIBPNG

  // Hold-New-Jobs
  testBegin("client: Hold-New-Jobs");
  request = ippNewRequest(IPP_OP_HOLD_NEW_JOBS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  ippDelete(cupsDoRequest(http, request, "/ipp/print"));

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEnd(true);

  testBegin("client: Print-Job (Raster 2)");
  request = ippNewRequest(IPP_OP_PRINT_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_MIMETYPE), "document-format", NULL, "image/pwg-raster");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_NAME), "job-name", NULL, "Client Test Raster Job 2");

  ippDelete(cupsDoFileRequest(http, request, "/ipp/print", filename));

  if (cupsLastError() == IPP_STATUS_OK)
  {
    testEndMessage(false, "Job accepted but should have been rejected.");
    goto done;
  }

  sleep(1);
  snprintf(outfile, sizeof(outfile), "%s/Client Test Raster Job 2.pwg", output_directory);
  if (!access(outfile, 0))
  {
    testEndMessage(false, "Unexpected job output file created.");
    goto done;
  }

  testEnd(true);

#ifdef HAVE_LIBJPEG
  testBegin("client: Print-Job (JPEG 2)");
  request = ippNewRequest(IPP_OP_PRINT_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_MIMETYPE), "document-format", NULL, "image/jpeg");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_NAME), "job-name", NULL, "Client Test JPEG Job 2");

  if (access("portrait-color.jpg", R_OK))
    papplCopyString(filename, "testsuite/portrait-color.jpg", sizeof(filename));
  else
    papplCopyString(filename, "portrait-color.jpg", sizeof(filename));

  response  = cupsDoFileRequest(http, request, "/ipp/print", filename);
  job_id    = ippGetInteger(ippFindAttribute(response, "job-id", IPP_TAG_INTEGER), 0);
  job_state = (ipp_jstate_t)ippGetInteger(ippFindAttribute(response, "job-state", IPP_TAG_ENUM), 0);

  ippDelete(response);

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }
  else if (job_state != IPP_JSTATE_HELD)
  {
    testEndMessage(false, "job-state is %s, expected pending-held", ippEnumString("job-state", (int)job_state));
    goto done;
  }

  sleep(1);
  snprintf(outfile, sizeof(outfile), "%s/Client Test JPEG Job 2.pwg", output_directory);
  if (!access(outfile, 0))
  {
    testEndMessage(false, "Unexpected job output file created.");
    goto done;
  }

  testEndMessage(true, "job-id=%d", job_id);
  output_count ++;
#endif // HAVE_LIBJPEG

#ifdef HAVE_LIBPNG
  testBegin("client: Print-Job (PNG 2)");
  request = ippNewRequest(IPP_OP_PRINT_JOB);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_MIMETYPE), "document-format", NULL, "image/png");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_NAME), "job-name", NULL, "Client Test PNG Job 2");

  if (access("portrait-color.png", R_OK))
    papplCopyString(filename, "testsuite/portrait-color.png", sizeof(filename));
  else
    papplCopyString(filename, "portrait-color.png", sizeof(filename));

  response  = cupsDoFileRequest(http, request, "/ipp/print", filename);
  job_id    = ippGetInteger(ippFindAttribute(response, "job-id", IPP_TAG_INTEGER), 0);
  job_state = (ipp_jstate_t)ippGetInteger(ippFindAttribute(response, "job-state", IPP_TAG_ENUM), 0);

  ippDelete(response);

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }
  else if (job_state != IPP_JSTATE_HELD)
  {
    testEndMessage(false, "job-state is %s, expected pending-held", ippEnumString("job-state", (int)job_state));
    goto done;
  }

  sleep(1);
  snprintf(outfile, sizeof(outfile), "%s/Client Test PNG Job 2.pwg", output_directory);
  if (!access(outfile, 0))
  {
    testEndMessage(false, "Unexpected job output file created.");
    goto done;
  }

  testEndMessage(true, "job-id=%d", job_id);
  output_count ++;
#endif // HAVE_LIBPNG

  // Release-Held-New-Jobs
  testBegin("client: Release-Held-New-Jobs");
  request = ippNewRequest(IPP_OP_RELEASE_HELD_NEW_JOBS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  ippDelete(cupsDoRequest(http, request, "/ipp/print"));

  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  testEnd(true);

  // Get event notifications...
  testBegin("client: Get-Notifications");

  request = ippNewRequest(IPP_OP_GET_NOTIFICATIONS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "notify-subscription-ids", subscription_id);
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  response = cupsDoRequest(http, request, "/ipp/system");

  for (attr = ippFindAttribute(response, "notify-subscribed-event", IPP_TAG_KEYWORD); attr; attr = ippFindNextAttribute(response, "notify-subscribed-event", IPP_TAG_KEYWORD))
  {
    const char *keyword = ippGetString(attr, 0, NULL);
					// "notify-subscribed-event" keyword value

    if (!strcmp(keyword, "job-created"))
    {
      recv_events |= PAPPL_EVENT_JOB_CREATED;
    }
    else if (!strcmp(keyword, "job-completed"))
    {
      recv_events |= PAPPL_EVENT_JOB_COMPLETED;
    }
    else if (!strcmp(keyword, "job-progress"))
    {
      recv_events |= PAPPL_EVENT_JOB_PROGRESS;
    }
    else if (!strcmp(keyword, "job-state-changed"))
    {
      recv_events |= PAPPL_EVENT_JOB_STATE_CHANGED;
    }
    else if (!strcmp(keyword, "printer-config-changed"))
    {
      recv_events |= PAPPL_EVENT_PRINTER_CONFIG_CHANGED;
    }
    else if (!strcmp(keyword, "printer-state-changed"))
    {
      recv_events |= PAPPL_EVENT_PRINTER_STATE_CHANGED;
    }
    else
    {
      testEndMessage(false, "Unexpected event '%s'", keyword);
      ippDelete(response);
      goto done;
    }
  }

  ippDelete(response);

  if (cupsLastError() != IPP_STATUS_OK)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }
  else if (recv_events != (PAPPL_EVENT_JOB_COMPLETED | PAPPL_EVENT_JOB_CREATED | PAPPL_EVENT_JOB_PROGRESS | PAPPL_EVENT_JOB_STATE_CHANGED | PAPPL_EVENT_PRINTER_CONFIG_CHANGED | PAPPL_EVENT_PRINTER_STATE_CHANGED))
  {
    testEndMessage(false, "wrong events seen");
    goto done;
  }
  else
  {
    testEnd(true);
  }

  // PAPPL-Find-Devices
  testBegin("client: PAPPL-Find-Devices");
  request = ippNewRequest(IPP_OP_PAPPL_FIND_DEVICES);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");

  response = cupsDoRequest(http, request, "/ipp/system");

  if ((attr = ippFindAttribute(response, "smi55357-device-col", IPP_TAG_BEGIN_COLLECTION)) != NULL)
    testEndMessage(true, "%u devices found", (unsigned)ippGetCount(attr));
  else if (cupsLastError() == IPP_STATUS_ERROR_NOT_FOUND)
    testEndMessage(true, "no devices found");
  else
    testEndMessage(false, "failed: %s", cupsLastErrorString());

  ippDelete(response);

  // PAPPL-Find-Drivers
  testBegin("client: PAPPL-Find-Drivers");
  request = ippNewRequest(IPP_OP_PAPPL_FIND_DRIVERS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");

  response = cupsDoRequest(http, request, "/ipp/system");

  if ((attr = ippFindAttribute(response, "smi55357-driver-col", IPP_TAG_BEGIN_COLLECTION)) != NULL)
    testEndMessage(true, "%u drivers found", (unsigned)ippGetCount(attr));
  else
    testEndMessage(false, "failed: %s", cupsLastErrorString());

  ippDelete(response);

  // PAPPL-Find-Drivers (good device-id)
  testBegin("client: PAPPL-Find-Drivers (good device-id)");
  request = ippNewRequest(IPP_OP_PAPPL_FIND_DRIVERS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_TEXT), "smi55357-device-id", NULL, "MFG:Example;MDL:Printer;CMD:PWGRaster;");

  response = cupsDoRequest(http, request, "/ipp/system");

  if ((attr = ippFindAttribute(response, "smi55357-driver-col", IPP_TAG_BEGIN_COLLECTION)) != NULL)
    testEndMessage(true, "%u drivers found", (unsigned)ippGetCount(attr));
  else
    testEndMessage(false, "failed: %s", cupsLastErrorString());

  ippDelete(response);

  // PAPPL-Find-Drivers (bad device-id)
  testBegin("client: PAPPL-Find-Drivers (bad device-id)");
  request = ippNewRequest(IPP_OP_PAPPL_FIND_DRIVERS);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_TEXT), "smi55357-device-id", NULL, "MFG:Example;MDL:Printer;CMD:PCL;");

  response = cupsDoRequest(http, request, "/ipp/system");

  if ((attr = ippFindAttribute(response, "smi55357-driver-col", IPP_TAG_BEGIN_COLLECTION)) != NULL)
    testEndMessage(false, "%u drivers found", (unsigned)ippGetCount(attr));
  else if (cupsLastError() == IPP_STATUS_ERROR_NOT_FOUND)
    testEndMessage(true, "no drivers found");
  else
    testEndMessage(false, "failed: %s", cupsLastErrorString());

  ippDelete(response);

  // Verify that the subscription expires...
  testBegin("client: Get-Subscription-Attributes(expiration)");
  while (time(NULL) < end)
  {
    testProgress();
    sleep(5);
  }

  request = ippNewRequest(IPP_OP_GET_SUBSCRIPTION_ATTRIBUTES);
  ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_URI), "system-uri", NULL, "ipp://localhost/ipp/system");
  ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "notify-subscription-id", subscription_id);
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  httpReconnect(http, 30000, NULL);

  response = cupsDoRequest(http, request, "/ipp/system");
  attr     = ippFindAttribute(response, "notify-events", IPP_TAG_KEYWORD);
  ippDelete(response);

  if (cupsLastError() != IPP_STATUS_ERROR_NOT_FOUND)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }
  else if (attr)
  {
    testEndMessage(false, "unexpected 'notify-events' attribute");
    goto done;
  }
  else
  {
    testEnd(true);
  }

  ret = true;

  // Clean up and return...
  done:

  ippDelete(supported);
  httpClose(http);

  return (ret);
}


#if defined(HAVE_LIBJPEG) || defined(HAVE_LIBPNG)
//
// 'test_image_files()' - Run image file tests.
//

static bool				// O - `true` on success, `false` on failure
test_image_files(
    pappl_system_t       *system,	// I - System
    const char           *prompt,	// I - Prompt for files
    const char           *format,	// I - MIME media type of files
    int                  num_files,	// I - Number of files to print
    const char * const * files)		// I - Files to print
{
  int		i, j, k, m;		// Looping vars
  http_t	*http;			// HTTP connection
  char		uri[1024],		// "printer-uri" value
		filename[1024],		// Print file
		job_name[1024];		// "job_name" value
  ipp_t		*request,		// Request
		*response;		// Response
  int		job_id;			// "job-id" value
  ipp_jstate_t	job_state;		// "job-state" value
  static const int orients[] =		// "orientation-requested" values
  {
    IPP_ORIENT_NONE,
    IPP_ORIENT_PORTRAIT,
    IPP_ORIENT_LANDSCAPE,
    IPP_ORIENT_REVERSE_PORTRAIT,
    IPP_ORIENT_REVERSE_LANDSCAPE
  };
  static const char * const modes[] =	// "print-color-mode" values
  {
    "auto",
    "color",
    "monochrome"
  };
  static const char * const scalings[] =// "print-scaling" values
  {
    "auto",
    "auto-fit",
    "fill",
    "fit",
    "none"
  };


  // Connect to system...
  testBegin("%s: Connect to server", prompt);
  if ((http = connect_to_printer(system, true, uri, sizeof(uri))) == NULL)
  {
    testEndMessage(false, "Unable to connect: %s", cupsLastErrorString());
    return (false);
  }

  testEnd(true);

  // Print files...
  for (i = 0; i < num_files; i ++)
  {
    if (access(files[i], R_OK))
      snprintf(filename, sizeof(filename), "testsuite/%s", files[i]);
    else
      papplCopyString(filename, files[i], sizeof(filename));

    for (j = 0; j < (int)(sizeof(orients) / sizeof(orients[0])); j ++)
    {
      for (k = 0; k < (int)(sizeof(modes) / sizeof(modes[0])); k ++)
      {
	for (m = 0; m < (int)(sizeof(scalings) / sizeof(scalings[0])); m ++)
	{
	  // Stop the test if the system is shutdown (e.g. CTRL+C)
	  if (papplSystemIsShutdown(system))
	    return (false);

	  // Print the job...
	  snprintf(job_name, sizeof(job_name), "%s+%s+%s+%s", files[i], ippEnumString("orientation-requested", orients[j]), modes[k], scalings[m]);
	  testBegin("%s: Print-Job(%s)", prompt, job_name);

	  request = ippNewRequest(IPP_OP_PRINT_JOB);
	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL, format);
	  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, job_name);

          ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "orientation-requested", orients[j]);
	  ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "print-color-mode", NULL, modes[k]);
	  ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "print-scaling", NULL, scalings[m]);

	  response = cupsDoFileRequest(http, request, "/ipp/print", filename);

	  if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
	  {
	    testEndMessage(false, "%s", cupsLastErrorString());
	    ippDelete(response);
	    httpClose(http);
	    return (false);
	  }

	  job_id = ippGetInteger(ippFindAttribute(response, "job-id", IPP_TAG_INTEGER), 0);

          testEndMessage(true, "job-id=%d", job_id);
	  ippDelete(response);
	  output_count ++;

	  // Poll job status until completed...
	  do
	  {
	    sleep(1);

	    testBegin("%s: Get-Job-Attributes(job-id=%d)", prompt, job_id);

	    request = ippNewRequest(IPP_OP_GET_JOB_ATTRIBUTES);
	    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
	    ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
	    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

	    response = cupsDoRequest(http, request, "/ipp/print");

	    if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
	    {
	      testEndMessage(false, "%s", cupsLastErrorString());
	      httpClose(http);
	      ippDelete(response);
	      return (false);
	    }

	    job_state = (ipp_jstate_t)ippGetInteger(ippFindAttribute(response, "job-state", IPP_TAG_ENUM), 0);

            testEndMessage(job_state != (ipp_jstate_t)0, "job-state=%d", job_state);
	    ippDelete(response);
	  }
	  while (job_state < IPP_JSTATE_CANCELED);
	}
      }
    }
  }

  httpClose(http);

  return (true);
}
#endif // HAVE_LIBJPEG || HAVE_LIBPNG


//
// 'test_network_get_cb()' - Get test networks.
//

static pappl_network_t	test_networks[2];

static size_t				// O - Number of networks
test_network_get_cb(
    pappl_system_t  *system,		// I - System
    void            *data,		// I - Callback data
    size_t          max_networks,	// I - Maximum number of networks
    pappl_network_t *networks)		// I - Networks
{
  (void)system;
  (void)data;

  if (!test_networks[0].name[0])
  {
    // Initialize test networks: eth0 and wlan0
    size_t	i;			// Looping var
    static const char * const names[] =	// Network names
    {
      "Ethernet",
      "Wi-Fi"
    };
    static const char * const idents[] =// Network identities
    {
      "eth0",
      "wlan0"
    };

    for (i = 0; i < (sizeof(names) / sizeof(names[0])); i ++)
    {
      // Initialize a network interface
      papplCopyString(test_networks[i].name, names[i], sizeof(test_networks[i].name));
      papplCopyString(test_networks[i].ident, idents[i], sizeof(test_networks[i].name));

      test_networks[i].up       = true;
      test_networks[i].config4  = PAPPL_NETCONF_DHCP;
      test_networks[i].config6  = PAPPL_NETCONF_DHCP;

      test_networks[i].dns[0].ipv4.sin_family      = AF_INET;
      test_networks[i].dns[0].ipv4.sin_addr.s_addr = htonl(0x0a000101);

      test_networks[i].addr4.ipv4.sin_family        = AF_INET;
      test_networks[i].addr4.ipv4.sin_addr.s_addr   = htonl(0x0a000102 + i);

      test_networks[i].mask4.ipv4.sin_family        = AF_INET;
      test_networks[i].mask4.ipv4.sin_addr.s_addr   = htonl(0xffffff00);

      test_networks[i].gateway4.ipv4.sin_family      = AF_INET;
      test_networks[i].gateway4.ipv4.sin_addr.s_addr = htonl(0x0a000101);

      test_networks[i].linkaddr6.ipv6.sin6_family           = AF_INET6;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[0]  = 0xfe;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[1]  = 0x80;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[10] = papplGetRand() & 255;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[11] = papplGetRand() & 255;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[12] = papplGetRand() & 255;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[13] = papplGetRand() & 255;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[14] = papplGetRand() & 255;
      test_networks[i].linkaddr6.ipv6.sin6_addr.s6_addr[15] = papplGetRand() & 255;
      test_networks[i].linkaddr6.ipv6.sin6_scope_id         = (unsigned)i + 1;
    }
  }

  if (max_networks < 2)
    memcpy(networks, test_networks, max_networks * sizeof(pappl_network_t));
  else
    memcpy(networks, test_networks, sizeof(test_networks));

  return (2);
}


//
// 'test_network_set_cb()' - Set test networks.
//

static bool				// O - `true` to indicate success
test_network_set_cb(
    pappl_system_t  *system,		// I - System
    void            *data,		// I - Callback data
    size_t          num_networks,	// I - Number of networks
    pappl_network_t *networks)		// I - Networks
{
  (void)system;
  (void)data;

  if (num_networks != 2)
    return (false);

  memcpy(test_networks, networks, sizeof(test_networks));

  return (true);
}


//
// 'test_pwg_raster()' - Run PWG Raster tests.
//

static bool				// O - `true` on success, `false` on failure
test_pwg_raster(pappl_system_t *system)	// I - System
{
  bool		ret = false;		// Return value
  http_t	*http = NULL;		// HTTP connection
  char		uri[1024],		// "printer-uri" value
		filename[1024] = "",	// Print file
		job_name[1024];		// "job_name" value
  ipp_t		*request,		// IPP request
		*response,		// IPP response
		*supported = NULL;	// Supported attributes
  ipp_attribute_t *mode_supported;	// "print-color-mode-supported" attribute
  int		i;			// Looping var
  int		job_id;			// "job-id" value
  ipp_jstate_t	job_state;		// "job-state" value
  static const char * const modes[] =	// "print-color-mode" values
  {
    "auto",
    "auto-monochrome",
    "color",
    "monochrome"
  };


  // Connect to system...
  testBegin("pwg-raster: Connect to server");
  if ((http = connect_to_printer(system, false, uri, sizeof(uri))) == NULL)
  {
    testEndMessage(false, "Unable to connect: %s", cupsLastErrorString());
    return (false);
  }
  testEnd(true);

  // Get printer capabilities
  testBegin("pwg-raster: Get-Printer-Attributes");

  request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, "ipp://localhost/ipp/print");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

  supported = cupsDoRequest(http, request, "/ipp/print");

  if (cupsLastError() != IPP_STATUS_OK)
  {
    testEndMessage(false, "%s", cupsLastErrorString());
    goto done;
  }

  if ((mode_supported = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD)) == NULL)
  {
    testEndMessage(false, "missing required 'print-color-mode-supported' attribute in response");
    goto done;
  }

  testEnd(true);

  // Loop through the supported print-color-mode values...
  for (i = 0; i < (int)(sizeof(modes) / sizeof(modes[0])); i ++)
  {
    // Make raster data for this mode...
    testBegin("pwg-raster: Print-Job(%s)", modes[i]);

    if (!ippContainsString(mode_supported, modes[i]))
      continue;				// Not supported, skip

    if (!make_raster_file(supported, strstr(modes[i], "monochrome") != NULL, filename, sizeof(filename)))
      break;				// Error

    // Print the file...
    snprintf(job_name, sizeof(job_name), "pwg-raster-%s", modes[i]);

    do
    {
      request = ippNewRequest(IPP_OP_PRINT_JOB);
      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());
      ippAddString(request, IPP_TAG_OPERATION, IPP_CONST_TAG(IPP_TAG_MIMETYPE), "document-format", NULL, "image/pwg-raster");
      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, job_name);

      ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "print-color-mode", NULL, modes[i]);

      response = cupsDoFileRequest(http, request, "/ipp/print", filename);
      if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
      {
        ippDelete(response);
        response = NULL;
        sleep(1);
      }
    }
    while (cupsLastError() == IPP_STATUS_ERROR_BUSY);

    if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
    {
      testEndMessage(false, "Unable to print %s: %s", job_name, cupsLastErrorString());
      goto done;
    }

    job_id = ippGetInteger(ippFindAttribute(response, "job-id", IPP_TAG_INTEGER), 0);

    ippDelete(response);

    testEndMessage(true, "job-id=%d", job_id);
    output_count ++;

    // Poll job status until completed...
    do
    {
      sleep(1);

      testBegin("pwg-raster: Get-Job-Attributes(job-id=%d)", job_id);

      request = ippNewRequest(IPP_OP_GET_JOB_ATTRIBUTES);
      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
      ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
      ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsGetUser());

      response = cupsDoRequest(http, request, "/ipp/print");

      if (cupsLastError() >= IPP_STATUS_ERROR_BAD_REQUEST)
      {
	testEndMessage(false, "Unable to get job state for '%s': %s", job_name, cupsLastErrorString());
        goto done;
      }

      job_state = (ipp_jstate_t)ippGetInteger(ippFindAttribute(response, "job-state", IPP_TAG_ENUM), 0);

      testEndMessage(true, "job-state=%d", job_state);
      ippDelete(response);
    }
    while (job_state < IPP_JSTATE_CANCELED);

    // Cleanup...
    unlink(filename);
  }

  // If we complete the loop without errors, it is a successful run...
  ret = true;

  done:

  if (filename[0])
    unlink(filename);

  httpClose(http);
  ippDelete(supported);

  return (ret);
}


//
// 'test_wifi_join_cb()' - Try joining a Wi-Fi network.
//
// Note: The code here is for a Raspberry Pi running the default Raspberry Pi
// OS using wpa_supplicant for Wi-Fi support.  Any existing wpa_supplicant.conf
// file is backed up.  And obviously this means that "testpappl" has to run as
// root.
//

static bool				// O - `true` on success, `false` otherwise
test_wifi_join_cb(
    pappl_system_t *sys,		// I - System
    void           *data,		// I - Callback data (should be "testpappl")
    const char     *ssid,		// I - Wi-Fi SSID name
    const char     *psk)		// I - Wi-Fi password
{
  cups_file_t	*infile,		// Old wpa_supplicant.conf file
		*outfile;		// New wpa_supplicant.conf file
  char		line[1024];		// Line from file


  // Range check input...
  if (!sys)
  {
    fputs("test_wifi_join_cb: System pointer is NULL.\n", stderr);
    return (false);
  }

  if (!data || strcmp((char *)data, "testpappl"))
  {
    fprintf(stderr, "test_wifi_join_cb: Bad callback data pointer %p.\n", data);
    return (false);
  }

  if (!ssid || !*ssid || !psk)
  {
    fprintf(stderr, "test_wifi_join_cb: Bad SSID '%s' or PSK '%s'.\n", ssid ? ssid : "(null)", psk ? psk : "(null)");
    return (false);
  }

  if (access("/etc/wpa_supplicant/wpa_supplicant.conf", W_OK))
  {
    // No write access to the wpa_supplicant configuration file, so just assume
    // that SSID == PSK is OK...
    bool ok = !strcmp(ssid, psk);	// Do SSID and PSK match?

    if (ok)
      papplCopyString(current_ssid, ssid, sizeof(current_ssid));

    return (ok);
  }

  if (rename("/etc/wpa_supplicant/wpa_supplicant.conf", "/etc/wpa_supplicant/wpa_supplicant.conf.O") && errno != ENOENT)
  {
    perror("test_wifi_join_cb: Unable to backup '/etc/wpa_supplicant/wpa_supplicant.conf'");
    return (false);
  }

  if ((outfile = cupsFileOpen("/etc/wpa_supplicant/wpa_supplicant.conf", "w")) == NULL)
  {
    perror("test_wifi_join_cb: Unable to create new '/etc/wpa_supplicant/wpa_supplicant.conf' file");
    if (rename("/etc/wpa_supplicant/wpa_supplicant.conf.O", "/etc/wpa_supplicant/wpa_supplicant.conf") && errno != ENOENT)
      perror("test_wifi_join_cb: Unable to restore '/etc/wpa_supplicant/wpa_supplicant.conf'");
    return (false);
  }

  if ((infile = cupsFileOpen("/etc/wpa_supplicant/wpa_supplicant.conf.O", "r")) == NULL)
  {
    // Write standard header for config file on Raspberry Pi OS...
    cupsFilePuts(outfile, "ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev\n");
    cupsFilePuts(outfile, "update_config=1\n");
    // can't specify country for 5GHz... Locale is probably not set...
  }
  else
  {
    // Copy old config file up to the "network={"...  Real code might want to
    // preserve the old network lines to allow for roaming...
    while (cupsFileGets(infile, line, sizeof(line)))
    {
      if (!strncmp(line, "network={", 9))
        break;

      cupsFilePrintf(outfile, "%s\n", line);
    }

    cupsFileClose(infile);
  }

  // Write a network definition...  Production code needs to deal with special
  // characters!
  cupsFilePuts(outfile, "network={\n");
  cupsFilePrintf(outfile, "\tssid=\"%s\"\n", ssid);
  if (*psk)
    cupsFilePrintf(outfile, "\tpsk=\"%s\"\n", psk);
  else
    cupsFilePuts(outfile, "\tkey_mgmt=NONE\n");
  cupsFilePuts(outfile, "}\n");
  cupsFileClose(outfile);

  // Force re-association...
  if (system("wpa_cli -i wlan0 reconfigure"))
    return (false);

  return (!system("dhclient -v &"));
}


//
// 'test_wifi_list_cb()' - List available Wi-Fi networks.
//
// Note: The code here is for a Raspberry Pi running the default Raspberry Pi
// OS using wpa_supplicant for Wi-Fi support.  The Wi-Fi interface name needs
// to be "wlan0".
//

static int				// O - Number of Wi-Fi networks
test_wifi_list_cb(
    pappl_system_t *sys,		// I - System
    void           *data,		// I - Callback data (should be "testpappl")
    cups_dest_t    **ssids)		// O - Wi-Fi network list
{
  cups_len_t	num_ssids = 0;		// Number of Wi-Fi networks
  cups_dest_t	*ssid;			// Current Wi-Fi network
#if !_WIN32
  FILE	*fp;				// Pipe to "iwlist" command
  char	line[1024],			// Line from command
	*start,				// Start of SSID
	*end;				// End of SSID
#endif // !_WIN32


  if (ssids)
    *ssids = NULL;

  if (!sys)
  {
    fputs("test_wifi_status_cb: System pointer is NULL.\n", stderr);
    return (0);
  }

  if (!data || strcmp((char *)data, "testpappl"))
  {
    fprintf(stderr, "test_wifi_status_cb: Bad callback data pointer %p.\n", data);
    return (0);
  }

  if (!ssids)
  {
    fputs("test_wifi_status_cb: ssid pointer is NULL.\n", stderr);
    return (0);
  }

#if _WIN32
  // Just return a dummy list for testing...
  num_ssids = cupsAddDest("One Fish", NULL, num_ssids, ssids);
  num_ssids = cupsAddDest("Two Fish", NULL, num_ssids, ssids);
  num_ssids = cupsAddDest("Red Fish", NULL, num_ssids, ssids);
  num_ssids = cupsAddDest("Blue Fish", NULL, num_ssids, ssids);

  if ((ssid = cupsGetDest(current_ssid, NULL, num_ssids, *ssids)) != NULL)
    ssid->is_default = true;

#else
  // See if we have the iw and iwlist commands...
  if (access("/sbin/iw", X_OK) || access("/sbin/iwlist", X_OK))
  {
    // No, return a dummy list for testing...
    num_ssids = cupsAddDest("One Fish", NULL, num_ssids, ssids);
    num_ssids = cupsAddDest("Two Fish", NULL, num_ssids, ssids);
    num_ssids = cupsAddDest("Red Fish", NULL, num_ssids, ssids);
    num_ssids = cupsAddDest("Blue Fish", NULL, num_ssids, ssids);

    if ((ssid = cupsGetDest(current_ssid, NULL, num_ssids, *ssids)) != NULL)
      ssid->is_default = true;

    return ((int)num_ssids);
  }

  // Force a Wi-Fi scan...
  system("/sbin/iw dev wlan0 scan");

  sleep(1);

  // Then read back the list of Wi-Fi networks...
  if ((fp = popen("/sbin/iwlist wlan0 scanning", "r")) == NULL)
  {
    // Can't run command, so no Wi-Fi support...
    return (0);
  }

  while (fgets(line, sizeof(line), fp))
  {
    // Parse line of the form:
    //
    // ESSID:"ssid"
    if ((start = strstr(line, "ESSID:\"")) == NULL)
      continue;

    start += 7;

    if ((end = strchr(start, '\"')) != NULL)
    {
      *end = '\0';
      if (*start)
        num_ssids = cupsAddDest(start, NULL, num_ssids, ssids);
    }
  }

  pclose(fp);
#endif // _WIN32

  return ((int)num_ssids);
}


//
// 'test_wifi_status_cb()' - Check the status of the current Wi-Fi network connection, if any.
//
// Note: The code here is for a Raspberry Pi running the default Raspberry Pi
// OS using wpa_supplicant for Wi-Fi support.  The Wi-Fi interface name needs
// to be "wlan0".
//

static pappl_wifi_t *			// O - Wi-Fi status or `NULL` on error
test_wifi_status_cb(
    pappl_system_t *system,		// I - System
    void           *data,		// I - Callback data (should be "testpappl")
    pappl_wifi_t   *wifi_data)		// I - Wi-Fi status buffer
{
#if !_WIN32
  FILE	*fp;				// Pipe to "iwgetid" command
  char	line[1024],			// Line from command
	*ptr;				// Pointer into line
#endif // !_WIN32


  // Range check input...
  if (wifi_data)
  {
    memset(wifi_data, 0, sizeof(pappl_wifi_t));
    wifi_data->state = PAPPL_WIFI_STATE_NOT_CONFIGURED;
  }

  if (!system)
  {
    fputs("test_wifi_status_cb: System pointer is NULL.\n", stderr);
    return (NULL);
  }

  if (!data || strcmp((char *)data, "testpappl"))
  {
    fprintf(stderr, "test_wifi_status_cb: Bad callback data pointer %p.\n", data);
    return (NULL);
  }

  if (!wifi_data)
  {
    fputs("test_wifi_status_cb: wifi_data pointer is NULL.\n", stderr);
    return (NULL);
  }

  if (current_ssid[0])
  {
    papplCopyString(wifi_data->ssid, current_ssid, sizeof(wifi_data->ssid));
    wifi_data->state = PAPPL_WIFI_STATE_ON;
    return (wifi_data);
  }

#if !_WIN32
  // Fill in the Wi-Fi status...  This code only returns the 'not-configured' or
  // 'on' state values for simplicity, but production code should support all of
  // them.
  if (access("/sbin/iwgetid", X_OK))
    return (wifi_data);			// No iwgetid command...

  if ((fp = popen("/sbin/iwgetid", "r")) == NULL)
  {
    // Can't run command, so no Wi-Fi support...
    return (wifi_data);
  }

  if (fgets(line, sizeof(line), fp))
  {
    // Parse line of the form:
    //
    // ifname ESSID:"ssid"
    if ((ptr = strrchr(line, '\"')) != NULL)
      *ptr = '\0';			// Strip trailing quote

    if ((ptr = strchr(line, '\"')) != NULL)
    {
      // Skip leading quote and copy SSID...
      ptr ++;
      papplCopyString(wifi_data->ssid, ptr, sizeof(wifi_data->ssid));
      wifi_data->state = PAPPL_WIFI_STATE_ON;
    }
  }

  pclose(fp);

  if (wifi_data->state == PAPPL_WIFI_STATE_NOT_CONFIGURED)
  {
    // Try reading the wpa_supplicant.conf file...
    if ((fp = fopen("/etc/wpa_supplicant/wpa_supplicant.conf", "r")) != NULL)
    {
      while (fgets(line, sizeof(line), fp))
      {
        if ((ptr = strstr(line, "ssid=\"")) != NULL)
        {
          papplCopyString(wifi_data->ssid, ptr + 6, sizeof(wifi_data->ssid));
          if ((ptr = strchr(wifi_data->ssid, '\"')) != NULL)
            *ptr = '\0';

          wifi_data->state = PAPPL_WIFI_STATE_JOINING;
          break;
        }
      }

      fclose(fp);
    }
  }
#endif // !_WIN32

  return (wifi_data);
}


//
// 'timer_cb()' - Timer callback.
//

static bool				// O - `true` to continue, `false` to stop
timer_cb(pappl_system_t    *system,	// I - System
         _pappl_testdata_t *data)	// I - Test data
{
  (void)system;

  if (data->timer_count < (int)(sizeof(data->timer_times) / sizeof(data->timer_times[0])))
    data->timer_times[data->timer_count] = time(NULL);

  data->timer_count ++;

  papplLog(system, PAPPL_LOGLEVEL_DEBUG, "timer_cb: count=%d", data->timer_count);

  return (data->timer_count < _PAPPL_MAX_TIMER_COUNT);
}


//
// 'usage()' - Show usage.
//

static int				// O - Exit status
usage(int status)			// I - Exit status
{
  puts("Usage: testpappl [OPTIONS] [\"SERVER NAME\"]");
  puts("Options:");
  puts("  --get-id DEVICE-URI        Show IEEE-1284 device ID for URI.");
  puts("  --get-status DEVICE-URI    Show printer status for URI.");
  puts("  --get-supplies DEVICE-URI  Show supplies for URI.");
  puts("  --help                     Show help");
  puts("  --list                     List devices");
  puts("  --list-TYPE                Lists devices of TYPE (dns-sd, local, network, usb)");
  puts("  --no-tls                   Do not support TLS");
  puts("  --ps-query DEVICE-URI      Do a PostScript query to get the product string.");
  puts("  --version                  Show version");
  puts("  -1                         Single queue");
  puts("  -A PAM-SERVICE             Enable authentication using PAM service");
  puts("  -c                         Do a clean run (no loading of state)");
  puts("  -d SPOOL-DIRECTORY         Set the spool directory");
  puts("  -l LOG-FILE                Set the log file");
  puts("  -L LOG-LEVEL               Set the log level (fatal, error, warn, info, debug)");
  puts("  -m DRIVER-NAME             Add a printer with the named driver");
  puts("  -o OUTPUT-DIRECTORY        Set the output directory (default '.')");
  puts("  -p PORT                    Set the listen port (default auto)");
  puts("  -t TEST-NAME               Run the named test (see below)");
  puts("  -T                         Enable TLS-only mode");
  puts("  -U                         Enable USB printer gadget");
  puts("");
  puts("Tests:");
  puts("  all                  All of the following tests");
  puts("  client               Simulated client tests");
  puts("  jpeg                 JPEG image tests");
  puts("  png                  PNG image tests");
  puts("  pwg-raster           PWG Raster tests");

  return (status);
}
