/*
 * Copyright (C) 2018-2022 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "opencl/source/accelerators/intel_accelerator.h"
#include "opencl/source/accelerators/intel_motion_estimation.h"
#include "opencl/source/context/context.h"
#include "opencl/test/unit_test/api/cl_api_tests.h"

using namespace NEO;

namespace ULT {

struct IntelAcceleratorTest : public api_tests {
  public:
    IntelAcceleratorTest() {}

    void SetUp() override {
        api_tests::SetUp();
    }

    void TearDown() override {
        api_tests::TearDown();
    }

  protected:
    cl_accelerator_intel accelerator = nullptr;
    cl_motion_estimation_desc_intel desc;
    cl_int retVal = 0xEEEEEEEEu;
    cl_int result = -1;
};

struct IntelAcceleratorTestWithValidDescriptor : IntelAcceleratorTest {

    IntelAcceleratorTestWithValidDescriptor() {}

    void SetUp() override {
        IntelAcceleratorTest::SetUp();

        desc.mb_block_type = CL_ME_MB_TYPE_16x16_INTEL;
        desc.subpixel_mode = CL_ME_SUBPIXEL_MODE_QPEL_INTEL;
        desc.sad_adjust_mode = CL_ME_SAD_ADJUST_MODE_HAAR_INTEL;
        desc.search_path_type = CL_ME_SEARCH_PATH_RADIUS_2_2_INTEL;
    }

    void TearDown() override {
        IntelAcceleratorTest::TearDown();
    }
};

TEST_F(IntelAcceleratorTestWithValidDescriptor, GivenInvalidAcceleratorTypeWhenCreatingAcceleratorThenClInvalidAcceleratorTypeIntelErrorIsReturned) {
    auto invalidAcceleratorType = static_cast<cl_accelerator_type_intel>(0xEEEEEEEE);

    accelerator = clCreateAcceleratorINTEL(
        pContext,
        invalidAcceleratorType,
        sizeof(cl_motion_estimation_desc_intel),
        &desc,
        &retVal);

    EXPECT_EQ(static_cast<cl_accelerator_intel>(nullptr), accelerator);
    EXPECT_EQ(CL_INVALID_ACCELERATOR_TYPE_INTEL, retVal);
}

TEST_F(IntelAcceleratorTestWithValidDescriptor, GivenInvalidContextWhenCreatingAcceleratorThenClInvalidContextErrorIsReturned) {
    accelerator = clCreateAcceleratorINTEL(
        nullptr,
        CL_ACCELERATOR_TYPE_MOTION_ESTIMATION_INTEL,
        sizeof(cl_motion_estimation_desc_intel),
        &desc,
        &retVal);
    EXPECT_EQ(static_cast<cl_accelerator_intel>(nullptr), accelerator);
    EXPECT_EQ(CL_INVALID_CONTEXT, retVal);
}

TEST_F(IntelAcceleratorTest, GivenNullAcceleratorWhenReleasingAcceleratorThenClInvalidAcceleratorIntelErrorIsReturned) {
    result = clReleaseAcceleratorINTEL(nullptr);
    EXPECT_EQ(CL_INVALID_ACCELERATOR_INTEL, result);
}

TEST_F(IntelAcceleratorTest, GivenNullAcceleratorWhenRetainingAcceleratorThenClInvalidAcceleratorIntelErrorIsReturned) {
    result = clRetainAcceleratorINTEL(nullptr);
    EXPECT_EQ(CL_INVALID_ACCELERATOR_INTEL, result);
}

struct IntelAcceleratorGetInfoTest : IntelAcceleratorTestWithValidDescriptor {

    IntelAcceleratorGetInfoTest() {}

    void SetUp() override {
        IntelAcceleratorTestWithValidDescriptor::SetUp();

        accelerator = clCreateAcceleratorINTEL(
            pContext,
            CL_ACCELERATOR_TYPE_MOTION_ESTIMATION_INTEL,
            sizeof(cl_motion_estimation_desc_intel),
            &desc,
            &retVal);

        ASSERT_NE(nullptr, accelerator);
        ASSERT_EQ(CL_SUCCESS, retVal);
    }

    void TearDown() override {
        result = clReleaseAcceleratorINTEL(accelerator);
        ASSERT_EQ(CL_SUCCESS, result);

        IntelAcceleratorTestWithValidDescriptor::TearDown();
    }

  protected:
    size_t param_value_size_ret = 0;
};

TEST_F(IntelAcceleratorTest, GivenNullAcceleratorWhenGettingAcceleratorInfoThenClInvalidAcceleratorIntelErrorIsReturned) {
    result = clGetAcceleratorInfoINTEL(
        nullptr, 0,
        0, nullptr, nullptr);
    EXPECT_EQ(CL_INVALID_ACCELERATOR_INTEL, result);
}

TEST_F(IntelAcceleratorTest, GivenNullAcceleratorWhenGettingAcceleratorInfoThenParamValueAndSizeArePreserved) {
    cl_uint paramValue = 0xEEEEEEE1u;
    size_t paramSize = 0xEEEEEEE3u;

    result = clGetAcceleratorInfoINTEL(
        nullptr, 0,
        sizeof(paramValue), &paramValue, &paramSize);

    EXPECT_EQ(CL_INVALID_ACCELERATOR_INTEL, result);

    // No changes to inputs
    EXPECT_EQ(static_cast<cl_uint>(0xEEEEEEE1u), paramValue);
    EXPECT_EQ(0xEEEEEEE3u, paramSize);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenInvalidParamNameWhenGettingAcceleratorInfoThenClInvalidValueErrorIsReturned) {
    result = clGetAcceleratorInfoINTEL(
        accelerator,
        0xEEEEEEEE,
        sizeof(cl_uint),
        nullptr,
        nullptr);

    EXPECT_EQ(CL_INVALID_VALUE, result);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenClAcceleratorReferenceCountIntelWhenGettingAcceleratorInfoThenParamValueSizeRetHasCorrectSize) {
    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_REFERENCE_COUNT_INTEL,
        sizeof(cl_uint),
        nullptr,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(sizeof(cl_uint), param_value_size_ret);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenClAcceleratorReferenceCountIntelWhenGettingAcceleratorInfoThenParamValueIsOne) {
    cl_uint paramValue = static_cast<cl_uint>(-1);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_REFERENCE_COUNT_INTEL,
        sizeof(cl_uint),
        &paramValue,
        nullptr);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(1u, paramValue);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenLongForDescriptorSizeWhenGettingAcceleratorInfoThenCorrectValuesAreReturned) {
    cl_uint paramValue = static_cast<cl_uint>(-1);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_REFERENCE_COUNT_INTEL,
        sizeof(cl_uint) + 1,
        &paramValue,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(sizeof(cl_uint), param_value_size_ret);
    EXPECT_EQ(1u, paramValue);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenShortForDescriptorSizeWhenGettingAcceleratorInfoThenClInvalidValueErrorIsReturned) {
    cl_uint paramValue = static_cast<cl_uint>(-1);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_REFERENCE_COUNT_INTEL,
        sizeof(cl_uint) - 1,
        &paramValue,
        &param_value_size_ret);

    EXPECT_EQ(CL_INVALID_VALUE, result);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenZeroForDescriptorSizeGivenLongForDescriptorSizeWhenGettingAcceleratorInfoThenCorrectValuesAreReturned) {
    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_REFERENCE_COUNT_INTEL,
        0,
        nullptr,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(sizeof(cl_uint), param_value_size_ret);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenCallToRetainAcceleratorWhenGettingAcceleratorInfoThenParamValueIsTwo) {
    cl_uint paramValue = static_cast<cl_uint>(-1);

    result = clRetainAcceleratorINTEL(accelerator);
    ASSERT_EQ(CL_SUCCESS, result);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_REFERENCE_COUNT_INTEL,
        sizeof(cl_uint),
        &paramValue,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(2u, paramValue);

    result = clReleaseAcceleratorINTEL(accelerator);

    EXPECT_EQ(CL_SUCCESS, result);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_REFERENCE_COUNT_INTEL,
        sizeof(cl_uint),
        &paramValue,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(1u, paramValue);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenNullPtrForParamValueWhenGettingAcceleratorInfoThenClSuccessIsReturned) {
    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_CONTEXT_INTEL,
        sizeof(cl_context),
        nullptr,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(sizeof(cl_context), param_value_size_ret);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenLongForDescriptorSizeWhenGettingAcceleratorContextInfoThenCorrectValuesAreReturned) {
    cl_context paramValue = reinterpret_cast<cl_context>(-1);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_CONTEXT_INTEL,
        sizeof(cl_context) + 1,
        &paramValue,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(sizeof(cl_context), param_value_size_ret);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenAcceleratorContextIntelWhenGettingAcceleratorInfoThenCorrectValuesAreReturned) {
    cl_context paramValue = reinterpret_cast<cl_context>(-1);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_CONTEXT_INTEL,
        sizeof(cl_context),
        &paramValue,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(sizeof(cl_context), param_value_size_ret);

    cl_context referenceContext = static_cast<cl_context>(pContext);
    EXPECT_EQ(referenceContext, paramValue);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenShortForDescriptorSizeWhenGettingAcceleratorContextInfoThenClInvalidValueErrorIsReturned) {
    cl_context paramValue = reinterpret_cast<cl_context>(-1);

    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_CONTEXT_INTEL,
        sizeof(cl_context) - 1,
        &paramValue,
        &param_value_size_ret);

    EXPECT_EQ(CL_INVALID_VALUE, result);
}

TEST_F(IntelAcceleratorGetInfoTest, GivenZeroForDescriptorSizeGivenLongForDescriptorSizeWhenGettingAcceleratorContextInfoThenCorrectValuesAreReturned) {
    result = clGetAcceleratorInfoINTEL(
        accelerator,
        CL_ACCELERATOR_CONTEXT_INTEL,
        0,
        nullptr,
        &param_value_size_ret);

    EXPECT_EQ(CL_SUCCESS, result);
    EXPECT_EQ(sizeof(cl_context), param_value_size_ret);
}
} // namespace ULT
