// SPDX-License-Identifier: BSD-2-Clause

/* Copyright (C) 2019 - 2020 Intel Corporation. */

#include <memkind.h>

#include "common.h"

extern const char *PMEM_DIR;

class MemkindDetectKindTests: public ::testing::Test

{

protected:

    void SetUp()

    {}

    void TearDown()

    {}

};

TEST_F(MemkindDetectKindTests, test_TC_MEMKIND_DetectKindNullPtr)

{

    struct memkind *temp_kind = memkind_detect_kind(nullptr);

    ASSERT_EQ(nullptr, temp_kind);

}

TEST_F(MemkindDetectKindTests, test_TC_MEMKIND_DetectKindPmemKind)

{

    memkind_t pmem_kind_temp = nullptr;

    int err = memkind_create_pmem(PMEM_DIR, 0, &pmem_kind_temp);

    ASSERT_EQ(0, err);

    ASSERT_NE(nullptr, pmem_kind_temp);

    void *ptr = memkind_malloc(pmem_kind_temp, 512);

    ASSERT_NE(nullptr, ptr);

    struct memkind *temp_kind = memkind_detect_kind(ptr);

    ASSERT_EQ(pmem_kind_temp, temp_kind);

    memkind_free(pmem_kind_temp, ptr);

    err = memkind_destroy_kind(pmem_kind_temp);

    ASSERT_EQ(0, err);

}

TEST_F(MemkindDetectKindTests, test_TC_MEMKIND_DetectKindRegularKind)

{

    void *ptr = memkind_malloc(MEMKIND_REGULAR, 512);

    ASSERT_NE(nullptr, ptr);

    struct memkind *temp_kind = memkind_detect_kind(ptr);

    ASSERT_EQ(MEMKIND_REGULAR, temp_kind);

    memkind_free(MEMKIND_REGULAR, ptr);

}

TEST_F(MemkindDetectKindTests, test_TC_MEMKIND_DetectDefaultSmallSizeKind)

{

    void *ptr = memkind_malloc(MEMKIND_DEFAULT, 512);

    ASSERT_NE(nullptr, ptr);

    struct memkind *temp_kind = memkind_detect_kind(ptr);

    ASSERT_EQ(MEMKIND_DEFAULT, temp_kind);

    memkind_free(MEMKIND_DEFAULT, ptr);

}

TEST_F(MemkindDetectKindTests, test_TC_MEMKIND_DetectDefaultBigSizeKind)

{

    void *ptr = memkind_malloc(MEMKIND_DEFAULT, 8 * MB);

    ASSERT_NE(nullptr, ptr);

    struct memkind *temp_kind = memkind_detect_kind(ptr);

    ASSERT_EQ(MEMKIND_DEFAULT, temp_kind);

    memkind_free(MEMKIND_DEFAULT, ptr);

}

TEST_F(MemkindDetectKindTests, test_TC_MEMKIND_DetectKindMixKind)

{

    const size_t alloc_size = 512;

    memkind_t pmem_kind_temp_1 = nullptr;

    memkind_t pmem_kind_temp_2 = nullptr;

    struct memkind *temp_kind = nullptr;

    void *ptr_pmem_1 = nullptr;

    void *ptr_pmem_2 = nullptr;

    void *ptr_regular = nullptr;

    void *ptr_default = nullptr;

    int err = memkind_create_pmem(PMEM_DIR, 0, &pmem_kind_temp_1);

    ASSERT_EQ(0, err);

    ASSERT_NE(nullptr, pmem_kind_temp_1);

    err = memkind_create_pmem(PMEM_DIR, MEMKIND_PMEM_MIN_SIZE, &pmem_kind_temp_2);

    ASSERT_EQ(0, err);

    ASSERT_NE(nullptr, pmem_kind_temp_2);

    ptr_pmem_1 = memkind_malloc(pmem_kind_temp_1, alloc_size);

    ASSERT_NE(nullptr, ptr_pmem_1);

    ptr_pmem_2 = memkind_malloc(pmem_kind_temp_2, alloc_size);

    ASSERT_NE(nullptr, ptr_pmem_2);

    ptr_default = memkind_malloc(MEMKIND_DEFAULT, alloc_size);

    ASSERT_NE(nullptr, ptr_default);

    ptr_regular = memkind_malloc(MEMKIND_REGULAR, alloc_size);

    ASSERT_NE(nullptr, ptr_regular);

    temp_kind = memkind_detect_kind(ptr_default);

    ASSERT_EQ(MEMKIND_DEFAULT, temp_kind);

    temp_kind = memkind_detect_kind(ptr_pmem_1);

    ASSERT_EQ(pmem_kind_temp_1, temp_kind);

    temp_kind = memkind_detect_kind(ptr_regular);

    ASSERT_EQ(MEMKIND_REGULAR, temp_kind);

    temp_kind = memkind_detect_kind(ptr_pmem_2);

    ASSERT_EQ(pmem_kind_temp_2, temp_kind);

    memkind_free(pmem_kind_temp_2, ptr_pmem_2);

    memkind_free(pmem_kind_temp_1, ptr_pmem_1);

    memkind_free(MEMKIND_DEFAULT, ptr_default);

    memkind_free(MEMKIND_REGULAR, ptr_regular);

    err = memkind_destroy_kind(pmem_kind_temp_2);

    ASSERT_EQ(0, err);

    err = memkind_destroy_kind(pmem_kind_temp_1);

    ASSERT_EQ(0, err);

}