/*

 * Copyright (C) 2019 Intel Corporation.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 * 1. Redistributions of source code must retain the above copyright notice(s),

 *    this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice(s),

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO

 * EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE

 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "memkind.h"

#include "common.h"

#include "vector"

#include <stdio.h>

class MemkindDefragReallocateTests: public ::testing::Test

{

protected:

    void SetUp()

    {}

    void TearDown()

    {}

};

TEST_F(MemkindDefragReallocateTests, test_TC_MEMKIND_NULLTransfer)

{

    void *ptr = memkind_defrag_reallocate(nullptr, nullptr);

    ASSERT_EQ(ptr, nullptr);

    ptr = memkind_defrag_reallocate(MEMKIND_REGULAR, nullptr);

    ASSERT_EQ(ptr, nullptr);

}

TEST_F(MemkindDefragReallocateTests, test_TC_MEMKIND_Negative_test)

{

    void *ptr = memkind_malloc(MEMKIND_DEFAULT, 512);

    ASSERT_NE(ptr, nullptr);

    void *new_ptr = memkind_defrag_reallocate(MEMKIND_DEFAULT, ptr);

    ASSERT_EQ(new_ptr, nullptr);

}

TEST_F(MemkindDefragReallocateTests,

       test_TC_MEMKIND_TCACHE_Default_kind_success)

{

    std::vector<void *> alloc_vec;

    const size_t number_of_malloc = 10000000;

    alloc_vec.reserve(2*number_of_malloc);

    size_t count_mem_transfer = 0;

    void *ptr;

    size_t i;

    for (i = 0; i < number_of_malloc; ++i) {

        ptr = memkind_malloc(MEMKIND_DEFAULT, 150);

        ASSERT_NE(ptr, nullptr);

        memset(ptr, 'a', 150);

        alloc_vec.push_back(ptr);

    }

    for (i = 0; i < number_of_malloc; ++i) {

        if (i % 2 == 0) {

            memkind_free(MEMKIND_DEFAULT,alloc_vec.at(i));

            alloc_vec.at(i) = nullptr;

        }

        ptr = memkind_malloc(MEMKIND_DEFAULT, 300);

        ASSERT_NE(ptr, nullptr);

        memset(ptr, 'a', 300);

        alloc_vec.push_back(ptr);

    }

    for (i = 0; i < alloc_vec.size(); ++i) {

        void *new_ptr = memkind_defrag_reallocate(MEMKIND_DEFAULT, alloc_vec.at(i));

        if (new_ptr) {

            alloc_vec.at(i) = new_ptr;

            count_mem_transfer++;

        }

    }

    ASSERT_NE(count_mem_transfer, 0U);

    for(auto const &val: alloc_vec) {

        memkind_free(MEMKIND_DEFAULT, val);

    }

}

TEST_F(MemkindDefragReallocateTests,

       test_TC_MEMKIND_TCACHE_REGULAR_kind_success)

{

    std::vector<void *> alloc_vec;

    const size_t number_of_malloc = 10000000;

    alloc_vec.reserve(2*number_of_malloc);

    size_t count_mem_transfer = 0;

    void *ptr;

    size_t i;

    for (i = 0; i < number_of_malloc ; ++i) {

        ptr = memkind_malloc(MEMKIND_REGULAR, 150);

        ASSERT_NE(ptr, nullptr);

        memset(ptr, 'a', 150);

        alloc_vec.push_back(ptr);

    }

    for (i = 0; i < number_of_malloc; ++i) {

        if (i % 2 == 0) {

            memkind_free(MEMKIND_REGULAR,alloc_vec.at(i));

            alloc_vec.at(i) = nullptr;

        }

        ptr = memkind_malloc(MEMKIND_REGULAR, 300);

        ASSERT_NE(ptr, nullptr);

        memset(ptr, 'a', 300);

        alloc_vec.push_back(ptr);

    }

    for (i = 0; i < alloc_vec.size(); ++i) {

        void *new_ptr = memkind_defrag_reallocate(nullptr, alloc_vec.at(i));

        if (new_ptr) {

            alloc_vec.at(i) = new_ptr;

            count_mem_transfer++;

        }

    }

    ASSERT_NE(count_mem_transfer, 0U);

    for(auto const &val: alloc_vec) {

        memkind_free(MEMKIND_REGULAR, val);

    }

}