/*
 * Copyright (C) 2017-2020 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "shared/source/compiler_interface/compiler_interface.h"
#include "shared/source/device/device.h"
#include "shared/source/helpers/file_io.h"

#include "opencl/source/context/context.h"
#include "opencl/source/program/kernel_info.h"
#include "opencl/source/program/program.h"
#include "opencl/test/unit_test/helpers/kernel_binary_helper.h"
#include "opencl/test/unit_test/helpers/test_files.h"
#include "opencl/test/unit_test/mocks/mock_compilers.h"

#include "cl_api_tests.h"

using namespace NEO;

typedef api_tests clBuildProgramTests;

namespace ULT {

TEST_F(clBuildProgramTests, GivenSourceAsInputWhenCreatingProgramWithSourceThenProgramBuildSucceeds) {
    cl_program pProgram = nullptr;
    std::unique_ptr<char[]> pSource = nullptr;
    size_t sourceSize = 0;
    std::string testFile;

    KernelBinaryHelper kbHelper("CopyBuffer_simd16", false);
    testFile.append(clFiles);
    testFile.append("CopyBuffer_simd16.cl");

    pSource = loadDataFromFile(
        testFile.c_str(),
        sourceSize);

    ASSERT_NE(0u, sourceSize);
    ASSERT_NE(nullptr, pSource);

    const char *sourceArray[1] = {pSource.get()};

    pProgram = clCreateProgramWithSource(
        pContext,
        1,
        sourceArray,
        &sourceSize,
        &retVal);

    EXPECT_NE(nullptr, pProgram);
    ASSERT_EQ(CL_SUCCESS, retVal);

    retVal = clBuildProgram(
        pProgram,
        num_devices,
        devices,
        nullptr,
        nullptr,
        nullptr);

    ASSERT_EQ(CL_SUCCESS, retVal);

    retVal = clReleaseProgram(pProgram);
    EXPECT_EQ(CL_SUCCESS, retVal);

    pProgram = clCreateProgramWithSource(
        nullptr,
        1,
        sourceArray,
        &sourceSize,
        nullptr);
    EXPECT_EQ(nullptr, pProgram);
}

TEST_F(clBuildProgramTests, GivenBinaryAsInputWhenCreatingProgramWithSourceThenProgramBuildSucceeds) {
    cl_program pProgram = nullptr;
    cl_int binaryStatus = CL_SUCCESS;
    std::unique_ptr<char[]> pBinary = nullptr;
    size_t binarySize = 0;
    std::string testFile;
    retrieveBinaryKernelFilename(testFile, "CopyBuffer_simd16_", ".bin");

    pBinary = loadDataFromFile(
        testFile.c_str(),
        binarySize);

    ASSERT_NE(0u, binarySize);
    ASSERT_NE(nullptr, pBinary);

    const unsigned char *binaries[1] = {reinterpret_cast<const unsigned char *>(pBinary.get())};
    pProgram = clCreateProgramWithBinary(
        pContext,
        num_devices,
        devices,
        &binarySize,
        binaries,
        &binaryStatus,
        &retVal);

    pBinary.reset();

    EXPECT_NE(nullptr, pProgram);
    ASSERT_EQ(CL_SUCCESS, retVal);

    retVal = clBuildProgram(
        pProgram,
        num_devices,
        devices,
        nullptr,
        nullptr,
        nullptr);

    ASSERT_EQ(CL_SUCCESS, retVal);

    retVal = clReleaseProgram(pProgram);
    EXPECT_EQ(CL_SUCCESS, retVal);
}

TEST_F(clBuildProgramTests, GivenProgramCreatedFromBinaryWhenBuildProgramWithOptionsIsCalledThenStoredOptionsAreUsed) {
    cl_program pProgram = nullptr;
    cl_int binaryStatus = CL_SUCCESS;
    size_t binarySize = 0;
    std::string testFile;
    retrieveBinaryKernelFilename(testFile, "CopyBuffer_simd16_", ".bin");

    auto pBinary = loadDataFromFile(
        testFile.c_str(),
        binarySize);

    ASSERT_NE(0u, binarySize);
    ASSERT_NE(nullptr, pBinary);
    const unsigned char *binaries[1] = {reinterpret_cast<const unsigned char *>(pBinary.get())};
    pProgram = clCreateProgramWithBinary(
        pContext,
        num_devices,
        devices,
        &binarySize,
        binaries,
        &binaryStatus,
        &retVal);

    auto pInternalProgram = castToObject<Program>(pProgram);

    pBinary.reset();
    auto storedOptionsSize = pInternalProgram->getOptions().size();

    EXPECT_NE(nullptr, pProgram);
    ASSERT_EQ(CL_SUCCESS, retVal);

    const char *newBuildOption = "cl-fast-relaxed-math";

    retVal = clBuildProgram(
        pProgram,
        num_devices,
        devices,
        newBuildOption,
        nullptr,
        nullptr);

    ASSERT_EQ(CL_SUCCESS, retVal);

    auto optionsAfterBuildSize = pInternalProgram->getOptions().size();

    EXPECT_EQ(optionsAfterBuildSize, storedOptionsSize);

    retVal = clReleaseProgram(pProgram);
    EXPECT_EQ(CL_SUCCESS, retVal);
}

TEST_F(clBuildProgramTests, GivenSpirAsInputWhenCreatingProgramFromBinaryThenProgramBuildSucceeds) {
    cl_program pProgram = nullptr;
    cl_int binaryStatus = CL_SUCCESS;
    unsigned char llvm[16] = "BC\xc0\xde_unique";
    size_t binarySize = sizeof(llvm);

    const unsigned char *binaries[1] = {llvm};
    pProgram = clCreateProgramWithBinary(
        pContext,
        num_devices,
        devices,
        &binarySize,
        binaries,
        &binaryStatus,
        &retVal);

    EXPECT_NE(nullptr, pProgram);
    ASSERT_EQ(CL_SUCCESS, retVal);

    MockCompilerDebugVars igcDebugVars;
    SProgramBinaryHeader progBin = {};
    progBin.Magic = iOpenCL::MAGIC_CL;
    progBin.Version = iOpenCL::CURRENT_ICBE_VERSION;
    progBin.Device = pContext->getDevice(0)->getHardwareInfo().platform.eRenderCoreFamily;
    progBin.GPUPointerSizeInBytes = sizeof(uintptr_t);
    igcDebugVars.binaryToReturn = &progBin;
    igcDebugVars.binaryToReturnSize = sizeof(progBin);
    auto prevDebugVars = getIgcDebugVars();
    setIgcDebugVars(igcDebugVars);
    retVal = clBuildProgram(
        pProgram,
        num_devices,
        devices,
        "-x spir -spir-std=1.2",
        nullptr,
        nullptr);
    setIgcDebugVars(prevDebugVars);

    EXPECT_EQ(CL_SUCCESS, retVal);

    retVal = clReleaseProgram(pProgram);
    EXPECT_EQ(CL_SUCCESS, retVal);
}

TEST_F(clBuildProgramTests, GivenNullAsInputWhenCreatingProgramThenInvalidProgramErrorIsReturned) {
    retVal = clBuildProgram(
        nullptr,
        1,
        nullptr,
        nullptr,
        nullptr,
        nullptr);
    EXPECT_EQ(CL_INVALID_PROGRAM, retVal);
}
} // namespace ULT
