/*

 * Copyright (C) 2016 - 2018 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 "hbwmalloc.h"

#include "common.h"

#include "trial_generator.h"

#include "allocator_perf_tool/HugePageOrganizer.hpp"

/* This set of tests are intended to test HBW_PAGESIZE_1GB and

 * HBW_PAGESIZE_1GB_STRICT flags.

 */

class GBPagesTestBindPolicy : public TGTest

{

protected:

    void run(int iterations, size_t alignment, bool psize_strict)

    {

        std::vector<void *> addr_to_free;

        hbw_set_policy(HBW_POLICY_BIND);

        EXPECT_EQ(HBW_POLICY_BIND, hbw_get_policy());

        for (int i = 0; i < iterations; i++) {

            void *ptr = NULL;

            int ret;

            if (psize_strict) {

                ret = hbw_posix_memalign_psize(&ptr, alignment, GB, HBW_PAGESIZE_1GB_STRICT);

            } else {

                ret = hbw_posix_memalign_psize(&ptr, alignment, GB, HBW_PAGESIZE_1GB);

            }

            ASSERT_EQ(0, ret);

            ASSERT_FALSE(ptr == NULL);

            ASSERT_EQ(0, hbw_verify_memory_region(ptr, GB, HBW_TOUCH_PAGES));

            addr_to_free.push_back(ptr);

        }

        for (int i = 0; i < iterations; i++) {

            hbw_free(addr_to_free[i]);

        }

    }

private:

    HugePageOrganizer huge_page_organizer = HugePageOrganizer(2250);

};

TEST_F(GBPagesTestBindPolicy,

       test_TC_MEMKIND_GBPages_ext_HBW_Misalign_Preferred_Bind_Strict_1GB)

{

    run(1, 2*GB, true);

}

TEST_F(GBPagesTestBindPolicy,

       test_TC_MEMKIND_GBPages_ext_HBW_Memalign_Psize_Bind_1GB)

{

    run(1, GB, true);

}

/*

 * Below tests allocate GB pages incrementally.

*/

TEST_F(GBPagesTestBindPolicy,

       test_TC_MEMKIND_GBPages_ext_HBW_Memalign_Psize_Bind_2GB)

{

    run(2, GB, false);

}

TEST_F(GBPagesTestBindPolicy,

       test_TC_MEMKIND_GBPages_ext_HBW_Memalign_Psize_Strict_Bind_3GB)

{

    run(3, GB, true);

}