// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/********************************************************************
 * Copyright (c) 2014-2016, International Business Machines Corporation
 * and others. All Rights Reserved.
 ********************************************************************/
/* C API TEST FOR UREGION */
/***********************************************************************
 * Test cases ported from ICU4J ( RegionTest.java )
 * to C++ (regiontst.cpp) to here.
 * Try to keep them in sync if at all possible...!
 ***********************************************************************/

#include "unicode/utypes.h"

#if !UCONFIG_NO_FORMATTING

#include <stdbool.h>

#include "unicode/ustring.h"
#include "unicode/uregion.h"
#include "unicode/uenum.h"
#include "cintltst.h"
#include "cmemory.h"
#include "cstring.h"

static void TestKnownRegions(void);
static void TestGetContainedRegions(void);
static void TestGroupingChildren(void);
static void TestGetContainedRegionsWithType(void);
static void TestGetContainingRegion(void);
static void TestGetContainingRegionWithType(void);
static void TestGetPreferredValues(void);
static void TestContains(void);

void addURegionTest(TestNode** root);

#define TESTCASE(x) addTest(root, &x, "tsformat/uregiontest/" #x)

void addURegionTest(TestNode** root)
{
    TESTCASE(TestKnownRegions);
    TESTCASE(TestGetContainedRegions);
    TESTCASE(TestGroupingChildren);
    TESTCASE(TestGetContainedRegionsWithType);
    TESTCASE(TestGetContainingRegion);
    TESTCASE(TestGetContainingRegionWithType);
    TESTCASE(TestGetPreferredValues);
    TESTCASE(TestContains);
}

typedef struct KnownRegion {
  const char *code;
  int32_t numeric;
  const char *parent;
  URegionType type;
  const char *containingContinent;
} KnownRegion;

static KnownRegion knownRegions[] = {
    // Code, Num, Parent, Type,             Containing Continent
    { "TP" , 626, "035", URGN_TERRITORY, "142" },
    { "001", 1,  NULL ,  URGN_WORLD,        NULL },
    { "002", 2,  "001",  URGN_CONTINENT,    NULL },
    { "003", 3,  NULL,   URGN_GROUPING,     NULL },
    { "005", 5,  "019",  URGN_SUBCONTINENT, "019" },
    { "009", 9,  "001",  URGN_CONTINENT,    NULL},
    { "011", 11, "002",  URGN_SUBCONTINENT, "002" },
    { "013", 13, "019",  URGN_SUBCONTINENT, "019" },
    { "014", 14, "002",  URGN_SUBCONTINENT, "002" },
    { "015", 15, "002",  URGN_SUBCONTINENT, "002" },
    { "017", 17, "002",  URGN_SUBCONTINENT, "002" },
    { "018", 18, "002",  URGN_SUBCONTINENT, "002" },
    { "019", 19, "001",  URGN_CONTINENT, NULL },
    { "021", 21, "019",  URGN_SUBCONTINENT, "019" },
    { "029", 29, "019",  URGN_SUBCONTINENT, "019" },
    { "030", 30, "142",  URGN_SUBCONTINENT, "142" },
    { "034", 34, "142",  URGN_SUBCONTINENT, "142" },
    { "035", 35, "142",  URGN_SUBCONTINENT, "142" },
    { "039", 39, "150",  URGN_SUBCONTINENT, "150"},
    { "053", 53, "009",  URGN_SUBCONTINENT, "009" },
    { "054", 54, "009",  URGN_SUBCONTINENT, "009" },
    { "057", 57, "009",  URGN_SUBCONTINENT, "009" },
    { "061", 61, "009",  URGN_SUBCONTINENT, "009" },
    { "142", 142, "001", URGN_CONTINENT, NULL },
    { "143", 143, "142", URGN_SUBCONTINENT, "142" },
    { "145", 145, "142", URGN_SUBCONTINENT, "142" },
    { "150", 150, "001", URGN_CONTINENT, NULL },
    { "151", 151, "150", URGN_SUBCONTINENT, "150" },
    { "154", 154, "150", URGN_SUBCONTINENT, "150" },
    { "155", 155, "150", URGN_SUBCONTINENT, "150" },
    { "419", 419, NULL,  URGN_GROUPING , NULL},
    { "AC" ,  -1, "QO" , URGN_TERRITORY, "009" },
    { "AD" ,  20, "039", URGN_TERRITORY, "150" },
    { "AE" , 784, "145", URGN_TERRITORY, "142" },
    { "AF" ,   4, "034", URGN_TERRITORY, "142" },
    { "AG" ,  28, "029", URGN_TERRITORY, "019" },
    { "AI" , 660, "029", URGN_TERRITORY, "019" },
    { "AL" ,   8, "039", URGN_TERRITORY, "150" },
    { "AM" ,  51, "145", URGN_TERRITORY, "142" },
    { "AN" , 530, NULL,  URGN_DEPRECATED, NULL },
    { "AO" ,  24, "017", URGN_TERRITORY, "002" },
    { "AQ" ,  10, "QO" , URGN_TERRITORY, "009" },
    { "AR" ,  32, "005", URGN_TERRITORY, "019" },
    { "AS" ,  16, "061", URGN_TERRITORY, "009" },
    { "AT" ,  40, "155", URGN_TERRITORY, "150" },
    { "AU" ,  36, "053", URGN_TERRITORY, "009" },
    { "AW" , 533, "029", URGN_TERRITORY, "019" },
    { "AX" , 248, "154", URGN_TERRITORY, "150" },
    { "AZ" ,  31, "145", URGN_TERRITORY, "142" },
    { "BA" ,  70, "039", URGN_TERRITORY, "150" },
    { "BB" ,  52, "029", URGN_TERRITORY, "019" },
    { "BD" ,  50, "034", URGN_TERRITORY, "142" },
    { "BE" ,  56, "155", URGN_TERRITORY, "150" },
    { "BF" , 854, "011", URGN_TERRITORY, "002" },
    { "BG" , 100, "151", URGN_TERRITORY, "150" },
    { "BH" ,  48, "145", URGN_TERRITORY, "142" },
    { "BI" , 108, "014", URGN_TERRITORY, "002" },
    { "BJ" , 204, "011", URGN_TERRITORY, "002" },
    { "BL" , 652, "029", URGN_TERRITORY, "019" },
    { "BM" ,  60, "021", URGN_TERRITORY, "019" },
    { "BN" ,  96, "035", URGN_TERRITORY, "142" },
    { "BO" ,  68, "005", URGN_TERRITORY, "019" },
    { "BQ" , 535, "029", URGN_TERRITORY, "019" },
    { "BR" ,  76, "005", URGN_TERRITORY, "019" },
    { "BS" ,  44, "029", URGN_TERRITORY, "019" },
    { "BT" ,  64, "034", URGN_TERRITORY, "142" },
    { "BU" , 104, "035", URGN_TERRITORY, "142" },
    { "BV" ,  74, "005", URGN_TERRITORY, "019" },
    { "BW" ,  72, "018", URGN_TERRITORY, "002" },
    { "BY" , 112, "151", URGN_TERRITORY, "150" },
    { "BZ" ,  84, "013", URGN_TERRITORY, "019" },
    { "CA" , 124, "021", URGN_TERRITORY, "019" },
    { "CC" , 166, "053", URGN_TERRITORY, "009" },
    { "CD" , 180, "017", URGN_TERRITORY, "002" },
    { "CF" , 140, "017", URGN_TERRITORY, "002" },
    { "CG" , 178, "017", URGN_TERRITORY, "002" },
    { "CH" , 756, "155", URGN_TERRITORY, "150" },
    { "CI" , 384, "011", URGN_TERRITORY, "002" },
    { "CK" , 184, "061", URGN_TERRITORY, "009" },
    { "CL" , 152, "005", URGN_TERRITORY, "019" },
    { "CM" , 120, "017", URGN_TERRITORY, "002" },
    { "CN" , 156, "030", URGN_TERRITORY, "142" },
    { "CO" , 170, "005", URGN_TERRITORY, "019" },
    { "CP" , -1 , "QO" , URGN_TERRITORY, "009" },
    { "CR" , 188, "013", URGN_TERRITORY, "019" },
    { "CU" , 192, "029", URGN_TERRITORY, "019" },
    { "CV" , 132, "011", URGN_TERRITORY, "002" },
    { "CW" , 531, "029", URGN_TERRITORY, "019" },
    { "CX" , 162, "053", URGN_TERRITORY, "009" },
    { "CY" , 196, "145", URGN_TERRITORY, "142" },
    { "CZ" , 203, "151", URGN_TERRITORY, "150" },
    { "DD" , 276, "155", URGN_TERRITORY, "150" },
    { "DE" , 276, "155", URGN_TERRITORY, "150" },
    { "DG" , -1 , "QO" , URGN_TERRITORY, "009" },
    { "DJ" , 262, "014", URGN_TERRITORY, "002" },
    { "DK" , 208, "154", URGN_TERRITORY, "150" },
    { "DM" , 212, "029", URGN_TERRITORY, "019" },
    { "DO" , 214, "029", URGN_TERRITORY, "019" },
    { "DZ" ,  12, "015", URGN_TERRITORY, "002" },
    { "EA" ,  -1, "015", URGN_TERRITORY, "002" },
    { "EC" , 218, "005", URGN_TERRITORY, "019" },
    { "EE" , 233, "154", URGN_TERRITORY, "150" },
    { "EG" , 818, "015", URGN_TERRITORY, "002" },
    { "EH" , 732, "015", URGN_TERRITORY, "002" },
    { "ER" , 232, "014", URGN_TERRITORY, "002" },
    { "ES" , 724, "039", URGN_TERRITORY, "150" },
    { "ET" , 231, "014", URGN_TERRITORY, "002" },
    { "EU" , 967, NULL,  URGN_GROUPING, NULL },
    { "FI" , 246, "154", URGN_TERRITORY, "150" },
    { "FJ" , 242, "054", URGN_TERRITORY, "009" },
    { "FK" , 238, "005", URGN_TERRITORY, "019" },
    { "FM" , 583, "057", URGN_TERRITORY, "009" },
    { "FO" , 234, "154", URGN_TERRITORY, "150" },
    { "FR" , 250, "155", URGN_TERRITORY, "150" },
    { "FX" , 250, "155", URGN_TERRITORY, "150" },
    { "GA" , 266, "017", URGN_TERRITORY, "002" },
    { "GB" , 826, "154", URGN_TERRITORY, "150" },
    { "GD" , 308, "029", URGN_TERRITORY, "019" },
    { "GE" , 268, "145", URGN_TERRITORY, "142" },
    { "GF" , 254, "005", URGN_TERRITORY, "019" },
    { "GG" , 831, "154", URGN_TERRITORY, "150" },
    { "GH" , 288, "011", URGN_TERRITORY, "002" },
    { "GI" , 292, "039", URGN_TERRITORY, "150" },
    { "GL" , 304, "021", URGN_TERRITORY, "019" },
    { "GM" , 270, "011", URGN_TERRITORY, "002" },
    { "GN" , 324, "011", URGN_TERRITORY, "002" },
    { "GP" , 312, "029", URGN_TERRITORY, "019" },
    { "GQ" , 226, "017", URGN_TERRITORY, "002" },
    { "GR" , 300, "039", URGN_TERRITORY, "150" },
    { "GS" , 239, "005", URGN_TERRITORY, "019" },
    { "GT" , 320, "013", URGN_TERRITORY, "019" },
    { "GU" , 316, "057", URGN_TERRITORY, "009" },
    { "GW" , 624, "011", URGN_TERRITORY, "002" },
    { "GY" , 328, "005", URGN_TERRITORY, "019" },
    { "HK" , 344, "030", URGN_TERRITORY, "142" },
    { "HM" , 334, "053", URGN_TERRITORY, "009" },
    { "HN" , 340, "013", URGN_TERRITORY, "019" },
    { "HR" , 191, "039", URGN_TERRITORY, "150" },
    { "HT" , 332, "029", URGN_TERRITORY, "019" },
    { "HU" , 348, "151", URGN_TERRITORY, "150" },
    { "IC" ,  -1, "015", URGN_TERRITORY, "002" },
    { "ID" , 360, "035", URGN_TERRITORY, "142" },
    { "IE" , 372, "154", URGN_TERRITORY, "150" },
    { "IL" , 376, "145", URGN_TERRITORY, "142" },
    { "IM" , 833, "154", URGN_TERRITORY, "150" },
    { "IN" , 356, "034", URGN_TERRITORY, "142" },
    { "IO" ,  86, "014", URGN_TERRITORY, "002" },
    { "IQ" , 368, "145", URGN_TERRITORY, "142" },
    { "IR" , 364, "034", URGN_TERRITORY, "142" },
    { "IS" , 352, "154", URGN_TERRITORY, "150" },
    { "IT" , 380, "039", URGN_TERRITORY, "150" },
    { "JE" , 832, "154", URGN_TERRITORY, "150" },
    { "JM" , 388, "029", URGN_TERRITORY, "019" },
    { "JO" , 400, "145", URGN_TERRITORY, "142" },
    { "JP" , 392, "030", URGN_TERRITORY, "142" },
    { "KE" , 404, "014", URGN_TERRITORY, "002" },
    { "KG" , 417, "143", URGN_TERRITORY, "142" },
    { "KH" , 116, "035", URGN_TERRITORY, "142" },
    { "KI" , 296, "057", URGN_TERRITORY, "009" },
    { "KM" , 174, "014", URGN_TERRITORY, "002" },
    { "KN" , 659, "029", URGN_TERRITORY, "019" },
    { "KP" , 408, "030", URGN_TERRITORY, "142" },
    { "KR" , 410, "030", URGN_TERRITORY, "142" },
    { "KW" , 414, "145", URGN_TERRITORY, "142" },
    { "KY" , 136, "029", URGN_TERRITORY, "019" },
    { "KZ" , 398, "143", URGN_TERRITORY, "142" },
    { "LA" , 418, "035", URGN_TERRITORY, "142" },
    { "LB" , 422, "145", URGN_TERRITORY, "142" },
    { "LC" , 662, "029", URGN_TERRITORY, "019" },
    { "LI" , 438, "155", URGN_TERRITORY, "150" },
    { "LK" , 144, "034", URGN_TERRITORY, "142" },
    { "LR" , 430, "011", URGN_TERRITORY, "002" },
    { "LS" , 426, "018", URGN_TERRITORY, "002" },
    { "LT" , 440, "154", URGN_TERRITORY, "150" },
    { "LU" , 442, "155", URGN_TERRITORY, "150" },
    { "LV" , 428, "154", URGN_TERRITORY, "150" },
    { "LY" , 434, "015", URGN_TERRITORY, "002" },
    { "MA" , 504, "015", URGN_TERRITORY, "002" },
    { "MC" , 492, "155", URGN_TERRITORY, "150" },
    { "MD" , 498, "151", URGN_TERRITORY, "150" },
    { "ME" , 499, "039", URGN_TERRITORY, "150" },
    { "MF" , 663, "029", URGN_TERRITORY, "019" },
    { "MG" , 450, "014", URGN_TERRITORY, "002" },
    { "MH" , 584, "057", URGN_TERRITORY, "009" },
    { "MK" , 807, "039", URGN_TERRITORY, "150" },
    { "ML" , 466, "011", URGN_TERRITORY, "002" },
    { "MM" , 104, "035", URGN_TERRITORY, "142" },
    { "MN" , 496, "030", URGN_TERRITORY, "142" },
    { "MO" , 446, "030", URGN_TERRITORY, "142" },
    { "MP" , 580, "057", URGN_TERRITORY, "009" },
    { "MQ" , 474, "029", URGN_TERRITORY, "019" },
    { "MR" , 478, "011", URGN_TERRITORY, "002" },
    { "MS" , 500, "029", URGN_TERRITORY, "019" },
    { "MT" , 470, "039", URGN_TERRITORY, "150" },
    { "MU" , 480, "014", URGN_TERRITORY, "002" },
    { "MV" , 462, "034", URGN_TERRITORY, "142" },
    { "MW" , 454, "014", URGN_TERRITORY, "002" },
    { "MX" , 484, "013", URGN_TERRITORY, "019"},
    { "MY" , 458, "035", URGN_TERRITORY, "142" },
    { "MZ" , 508, "014", URGN_TERRITORY, "002" },
    { "NA" , 516, "018", URGN_TERRITORY, "002" },
    { "NC" , 540, "054", URGN_TERRITORY, "009" },
    { "NE" , 562, "011", URGN_TERRITORY, "002" },
    { "NF" , 574, "053", URGN_TERRITORY, "009" },
    { "NG" , 566, "011", URGN_TERRITORY, "002" },
    { "NI" , 558, "013", URGN_TERRITORY, "019" },
    { "NL" , 528, "155", URGN_TERRITORY, "150" },
    { "NO" , 578, "154", URGN_TERRITORY, "150" },
    { "NP" , 524, "034", URGN_TERRITORY, "142" },
    { "NR" , 520, "057", URGN_TERRITORY, "009" },
    { "NT" , 536, NULL , URGN_DEPRECATED, NULL },
    { "NU" , 570, "061", URGN_TERRITORY, "009" },
    { "NZ" , 554, "053", URGN_TERRITORY, "009" },
    { "OM" , 512, "145", URGN_TERRITORY, "142" },
    { "PA" , 591, "013", URGN_TERRITORY, "019" },
    { "PE" , 604, "005", URGN_TERRITORY, "019" },
    { "PF" , 258, "061", URGN_TERRITORY, "009" },
    { "PG" , 598, "054", URGN_TERRITORY, "009" },
    { "PH" , 608, "035", URGN_TERRITORY, "142" },
    { "PK" , 586, "034", URGN_TERRITORY, "142" },
    { "PL" , 616, "151", URGN_TERRITORY, "150" },
    { "PM" , 666, "021", URGN_TERRITORY, "019" },
    { "PN" , 612, "061", URGN_TERRITORY, "009" },
    { "PR" , 630, "029", URGN_TERRITORY, "019" },
    { "PS" , 275, "145", URGN_TERRITORY, "142" },
    { "PT" , 620, "039", URGN_TERRITORY, "150" },
    { "PW" , 585, "057", URGN_TERRITORY, "009" },
    { "PY" , 600, "005", URGN_TERRITORY, "019" },
    { "QA" , 634, "145", URGN_TERRITORY, "142" },
    { "QO" , 961, "009", URGN_SUBCONTINENT, "009" },
    { "QU" , 967, NULL,  URGN_GROUPING, NULL },
    { "RE" , 638, "014", URGN_TERRITORY, "002" },
    { "RO" , 642, "151", URGN_TERRITORY, "150" },
    { "RS" , 688, "039", URGN_TERRITORY, "150" },
    { "RU" , 643, "151", URGN_TERRITORY, "150" },
    { "RW" , 646, "014", URGN_TERRITORY, "002" },
    { "SA" , 682, "145", URGN_TERRITORY, "142" },
    { "SB" ,  90, "054", URGN_TERRITORY, "009" },
    { "SC" , 690, "014", URGN_TERRITORY, "002" },
    { "SD" , 729, "015", URGN_TERRITORY, "002" },
    { "SE" , 752, "154", URGN_TERRITORY, "150" },
    { "SG" , 702, "035", URGN_TERRITORY, "142" },
    { "SH" , 654, "011", URGN_TERRITORY, "002" },
    { "SI" , 705, "039", URGN_TERRITORY, "150" },
    { "SJ" , 744, "154", URGN_TERRITORY, "150" },
    { "SK" , 703, "151", URGN_TERRITORY, "150" },
    { "SL" , 694, "011", URGN_TERRITORY, "002" },
    { "SM" , 674, "039", URGN_TERRITORY, "150" },
    { "SN" , 686, "011", URGN_TERRITORY, "002" },
    { "SO" , 706, "014", URGN_TERRITORY, "002" },
    { "SR" , 740, "005", URGN_TERRITORY, "019" },
    { "SS" , 728, "014", URGN_TERRITORY, "002" },
    { "ST" , 678, "017", URGN_TERRITORY, "002" },
    { "SU" , 810, NULL , URGN_DEPRECATED , NULL},
    { "SV" , 222, "013", URGN_TERRITORY, "019" },
    { "SX" , 534, "029", URGN_TERRITORY, "019" },
    { "SY" , 760, "145", URGN_TERRITORY, "142" },
    { "SZ" , 748, "018", URGN_TERRITORY, "002" },
    { "TA" ,  -1, "QO",  URGN_TERRITORY, "009" },
    { "TC" , 796, "029", URGN_TERRITORY, "019" },
    { "TD" , 148, "017", URGN_TERRITORY, "002" },
    { "TF" , 260, "014", URGN_TERRITORY, "002" },
    { "TG" , 768, "011", URGN_TERRITORY, "002" },
    { "TH" , 764, "035", URGN_TERRITORY, "142" },
    { "TJ" , 762, "143", URGN_TERRITORY, "142" },
    { "TK" , 772, "061", URGN_TERRITORY, "009" },
    { "TL" , 626, "035", URGN_TERRITORY, "142" },
    { "TM" , 795, "143", URGN_TERRITORY, "142" },
    { "TN" , 788, "015", URGN_TERRITORY, "002" },
    { "TO" , 776, "061", URGN_TERRITORY, "009" },
    { "TP" , 626, "035", URGN_TERRITORY, "142" },
    { "TR" , 792, "145", URGN_TERRITORY, "142" },
    { "TT" , 780, "029", URGN_TERRITORY, "019" },
    { "TV" , 798, "061", URGN_TERRITORY, "009" },
    { "TW" , 158, "030", URGN_TERRITORY, "142" },
    { "TZ" , 834, "014", URGN_TERRITORY, "002" },
    { "UA" , 804, "151", URGN_TERRITORY, "150" },
    { "UG" , 800, "014", URGN_TERRITORY, "002" },
    { "UM" , 581, "057", URGN_TERRITORY, "009" },
    { "US" , 840, "021", URGN_TERRITORY, "019" },
    { "UY" , 858, "005", URGN_TERRITORY, "019" },
    { "UZ" , 860, "143", URGN_TERRITORY, "142" },
    { "VA" , 336, "039", URGN_TERRITORY, "150" },
    { "VC" , 670, "029", URGN_TERRITORY, "019" },
    { "VE" , 862, "005", URGN_TERRITORY, "019" },
    { "VG" ,  92, "029", URGN_TERRITORY, "019" },
    { "VI" , 850, "029", URGN_TERRITORY, "019" },
    { "VN" , 704, "035", URGN_TERRITORY, "142" },
    { "VU" , 548, "054", URGN_TERRITORY, "009" },
    { "WF" , 876, "061", URGN_TERRITORY, "009" },
    { "WS" , 882, "061", URGN_TERRITORY, "009" },
    { "YD" , 887, "145", URGN_TERRITORY, "142" },
    { "YE" , 887, "145", URGN_TERRITORY, "142" },
    { "YT" , 175, "014", URGN_TERRITORY, "002" },
    { "ZA" , 710, "018", URGN_TERRITORY, "002" },
    { "ZM" , 894, "014", URGN_TERRITORY, "002" },
    { "ZR" , 180, "017", URGN_TERRITORY, "002" },
    { "ZW" , 716, "014", URGN_TERRITORY, "002" },
    { "ZZ" , 999, NULL , URGN_UNKNOWN, NULL },
    { NULL ,   0, NULL , URGN_UNKNOWN, NULL } /* terminator */
    };


static void TestKnownRegions() {
    const KnownRegion * rd;
    for (rd = knownRegions; rd->code != NULL ; rd++ ) {
        UErrorCode status = U_ZERO_ERROR;
        const URegion *r = uregion_getRegionFromCode(rd->code, &status);
        if ( U_SUCCESS(status) ) {
            int32_t n = uregion_getNumericCode(r);
            int32_t e = rd->numeric;
            if ( n != e ) {
                log_err("ERROR: Numeric code mismatch for region %s.  Expected:%d Got:%d\n", uregion_getRegionCode(r), e, n );
            }
            if (uregion_getType(r) != rd->type) {
                log_err("ERROR: Expected region %s to be of type %d. Got: %d\n", uregion_getRegionCode(r), rd->type, uregion_getType(r) );
            }
            if ( e > 0 ) {
                const URegion *ncRegion = uregion_getRegionFromNumericCode(e, &status);
                if ( !uregion_areEqual(ncRegion, r) && e != 891 ) { // 891 is special case - CS and YU both deprecated codes for region 891
                    log_err("ERROR: Creating region %s by its numeric code returned a different region. Got: %s instead.\n",
                        uregion_getRegionCode(r), uregion_getRegionCode(ncRegion) );
                }
             }
        } else {
            log_data_err("ERROR: Known region %s was not recognized.\n", rd->code);
        }
    }
}

static void TestGetContainedRegions() {
    const KnownRegion * rd;
    for (rd = knownRegions; rd->code != NULL ; rd++ ) {
        UErrorCode status = U_ZERO_ERROR;
        const URegion *r = uregion_getRegionFromCode(rd->code, &status);
        if ( U_SUCCESS(status) ) {
            UEnumeration *containedRegions;
            const char *crID;
            if (uregion_getType(r) == URGN_GROUPING) {
                continue;
            }
            containedRegions = uregion_getContainedRegions(r, &status);
            if (containedRegions != NULL) {
                while ((crID = uenum_next(containedRegions, NULL, &status)) != NULL && U_SUCCESS(status) ) {
                    const URegion *cr = uregion_getRegionFromCode(crID, &status);
                    const URegion *containingRegion = (cr)? uregion_getContainingRegion(cr) : NULL;
                    if ( !containingRegion || !uregion_areEqual(containingRegion, r) ) {
                        log_err("ERROR: Region: %s contains region %s. Expected containing region of this region to be the original region, but got %s\n",
                            uregion_getRegionCode(r), uregion_getRegionCode(cr), (containingRegion)?uregion_getRegionCode(containingRegion):"NULL" ); 
                    }
                }
                uenum_close(containedRegions);
            }
        } else {
            log_data_err("ERROR: Known region %s was not recognized.\n", rd->code);
        }
    }
}

static void TestGroupingChildren() {
    const char* testGroupings[] = {
        "003", "021,013,029",
        "419", "013,029,005",
        "EU",  "AT,BE,CY,CZ,DE,DK,EE,ES,FI,FR,GR,HR,HU,IE,IT,LT,LU,LV,MT,NL,PL,PT,SE,SI,SK,BG,RO"
    };

    for (int32_t i = 0; i < UPRV_LENGTHOF(testGroupings); i += 2) {
        const char* groupingCode = testGroupings[i];
        const char* expectedChildren = testGroupings[i + 1];
        
        UErrorCode err = U_ZERO_ERROR;
        const URegion* grouping = uregion_getRegionFromCode(groupingCode, &err);
        if (U_SUCCESS(err)) {
            UEnumeration* actualChildren = uregion_getContainedRegions(grouping, &err);
            if (U_SUCCESS(err)) {
                int32_t numActualChildren = uenum_count(actualChildren, &err);
                int32_t numExpectedChildren = 0;
                const char* expectedChildStart = expectedChildren;
                const char* expectedChildEnd = NULL;
                const char* actualChild = NULL;
                while ((actualChild = uenum_next(actualChildren, NULL, &err)) != NULL && *expectedChildStart != '\0') {
                    expectedChildEnd = uprv_strchr(expectedChildStart, ',');
                    if (expectedChildEnd == NULL) {
                        expectedChildEnd = expectedChildStart + uprv_strlen(expectedChildStart);
                    }
                    if (uprv_strlen(actualChild) != (size_t)(expectedChildEnd - expectedChildStart) || uprv_strncmp(actualChild, expectedChildStart, expectedChildEnd - expectedChildStart) != 0) {
                        log_err("Mismatch in child list for %s at position %d: expected %s, got %s\n", groupingCode, i, expectedChildStart, actualChild);
                    }
                    expectedChildStart = (*expectedChildEnd != '\0') ? expectedChildEnd + 1 : expectedChildEnd;
                    ++numExpectedChildren;
                }
                if (expectedChildEnd == NULL) {
                    expectedChildEnd = expectedChildren;
                }
                while (expectedChildEnd != NULL && *expectedChildEnd != '\0') {
                    expectedChildEnd = uprv_strchr(expectedChildEnd + 1, ',');
                    ++numExpectedChildren;
                }
                if (numExpectedChildren != numActualChildren) {
                    log_err("Wrong number of children for %s: expected %d, got %d\n", groupingCode, numExpectedChildren, numActualChildren);
                }
                uenum_close(actualChildren);
            } else {
                log_err("Couldn't create iterator for children of %s\n", groupingCode);
            }
        } else {
            log_err("Region %s not found\n", groupingCode);
        }
    }
}

static void TestGetContainedRegionsWithType() {
    const KnownRegion * rd;
    for (rd = knownRegions; rd->code != NULL ; rd++ ) {
        UErrorCode status = U_ZERO_ERROR;
        const URegion *r = uregion_getRegionFromCode(rd->code, &status);
        if ( U_SUCCESS(status) ) {
            UEnumeration *containedRegions;
            const char *crID;
            if (uregion_getType(r) != URGN_CONTINENT) {
                continue;
            }
            containedRegions = uregion_getContainedRegionsOfType(r, URGN_TERRITORY, &status);
            if (containedRegions != NULL) {
                while ((crID = uenum_next(containedRegions, NULL, &status)) != NULL && U_SUCCESS(status) ) {
                    const URegion *cr = uregion_getRegionFromCode(crID, &status);
                    const URegion *containingRegion = (cr)? uregion_getContainingRegionOfType(cr, URGN_CONTINENT) : NULL;
                    if ( !containingRegion || !uregion_areEqual(containingRegion, r) ) {
                        log_err("ERROR: Continent: %s contains territory %s. Expected containing continent of this region to be the original region, but got %s\n",
                            uregion_getRegionCode(r), uregion_getRegionCode(cr), (containingRegion)?uregion_getRegionCode(containingRegion):"NULL" ); 
                    }
                }
                uenum_close(containedRegions);
            }
        } else {
            log_data_err("ERROR: Known region %s was not recognized.\n", rd->code);
        }
    }
}

static void TestGetContainingRegion() {        
    const KnownRegion * rd;
    for (rd = knownRegions; rd->code != NULL ; rd++ ) {
        UErrorCode status = U_ZERO_ERROR;
        const URegion *r = uregion_getRegionFromCode(rd->code, &status);
        if ( U_SUCCESS(status) ) {
            const URegion *c = uregion_getContainingRegion(r);
            if (rd->parent == NULL) {                   
                if ( c ) {
                    log_err("ERROR: Containing region for %s should have been NULL.  Got: %s\n", uregion_getRegionCode(r), uregion_getRegionCode(c) );
                }
            } else {
                const URegion *p = uregion_getRegionFromCode(rd->parent, &status);                   
                if ( c == NULL || !uregion_areEqual(p, c) ) {
                    log_err("ERROR: Expected containing continent of region %s to be %s. Got: %s\n",
                        uregion_getRegionCode(r), (p)?uregion_getRegionCode(p):"NULL", (c)?uregion_getRegionCode(c):"NULL" );
                }
            }
        } else {
            log_data_err("ERROR: Known region %s was not recognized.\n", rd->code);
        }
    }
}

static void TestGetContainingRegionWithType() {        
    const KnownRegion * rd;
    for (rd = knownRegions; rd->code != NULL ; rd++ ) {
        UErrorCode status = U_ZERO_ERROR;
        const URegion *r = uregion_getRegionFromCode(rd->code, &status);
        if ( U_SUCCESS(status) ) {
            const URegion *c = uregion_getContainingRegionOfType(r, URGN_CONTINENT);
            if (rd->containingContinent == NULL) {
                 if ( c != NULL) {
                     log_err("ERROR: Containing continent for %s should have been NULL.  Got: %s\n", uregion_getRegionCode(r), uregion_getRegionCode(c) );
                 }
            } else {
                const URegion *p = uregion_getRegionFromCode(rd->containingContinent, &status);                   
                if ( !uregion_areEqual(p, c) ) {
                    log_err("ERROR: Expected containing continent of region %s to be %s. Got: %s\n",
                        uregion_getRegionCode(r), (p)?uregion_getRegionCode(p):"NULL", (c)?uregion_getRegionCode(c):"NULL" );
                }
            }
        } else {
            log_data_err("ERROR: Known region %s was not recognized.\n", rd->code);
        }
    }
}

static const char * expectPrefRegions0[] = { "AN","CW","SX","BQ",NULL };        /* Netherlands Antilles */
static const char * expectPrefRegions1[] = { "CS","RS","ME",NULL };             /* Serbia & Montenegro */
static const char * expectPrefRegions2[] = { "FQ","AQ","TF",NULL };             /* French Southern and Antarctic Territories */
static const char * expectPrefRegions3[] = { "NT","IQ","SA",NULL };             /* Neutral Zone */
static const char * expectPrefRegions4[] = { "PC","FM","MH","MP","PW",NULL };   /* Pacific Islands Trust Territory */
static const char * expectPrefRegions5[] = { "SU","RU","AM","AZ","BY","EE","GE","KZ","KG","LV","LT","MD","TJ","TM","UA","UZ",NULL }; /* Soviet Union */
static const char ** expectPrefRegionsTestData[] = {
    expectPrefRegions0,
    expectPrefRegions1,
    expectPrefRegions2,
    expectPrefRegions3,
    expectPrefRegions4,
    expectPrefRegions5,
    NULL
};

static void TestGetPreferredValues() {
    const char *** testDataPtr = expectPrefRegionsTestData;
    const char ** regionListPtr;
    while ( (regionListPtr = *testDataPtr++) != NULL ) {
        UErrorCode status = U_ZERO_ERROR;
        const char * deprecatedCode = *regionListPtr++;
        const URegion *r = uregion_getRegionFromCode(deprecatedCode, &status);
        if ( U_SUCCESS(status) ) {
            UEnumeration *preferredRegions = uregion_getPreferredValues(r, &status);
            if ( U_SUCCESS(status) ) {
                if (preferredRegions != NULL) {
                    const char * preferredCode;
                    while ( (preferredCode = *regionListPtr++) != NULL ) {
                        const char *check;
                        UBool found = false;
                        uenum_reset(preferredRegions, &status);
                        while ((check = uenum_next(preferredRegions, NULL, &status)) != NULL && U_SUCCESS(status) ) {
                            if ( !uprv_strcmp(check,preferredCode) ) {
                                found = true;
                                break;
                            }
                        }
                        if ( !found ) {
                            log_err("ERROR: uregion_getPreferredValues for region \"%s\" should have contained \"%s\" but it didn't.\n", uregion_getRegionCode(r), preferredCode);
                        }
                    }
                    uenum_close(preferredRegions);
                }
            } else {
                log_err("ERROR: uregion_getPreferredValues failed for region %s.\n", uregion_getRegionCode(r));
            }
        } else {
            log_data_err("ERROR: Known region %s was not recognized.\n", deprecatedCode);
        }
    }
}

static void TestContains() {
    const KnownRegion * rd;
    for (rd = knownRegions; rd->code != NULL ; rd++ ) {
        UErrorCode status = U_ZERO_ERROR;
        const URegion *r = uregion_getRegionFromCode(rd->code, &status);
        if ( U_SUCCESS(status) ) {
            const URegion *c = uregion_getContainingRegion(r);
            while (c != NULL) {
                if ( !uregion_contains(c, r) ) {
                    log_err("ERROR: Region \"%s\" should have contained \"%s\" but it didn't.\n", uregion_getRegionCode(c), uregion_getRegionCode(r) );
                }
                c = uregion_getContainingRegion(c);
            }
        } else {
            log_data_err("ERROR: Known region %s was not recognized.\n", rd->code);
        }
    }
}

#endif /* #if !UCONFIG_NO_FORMATTING */
