/*

 * Copyright (C) 2014 - 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 <hbw_allocator.h>

#include "common.h"

#include <vector>

// Tests for hbw::allocator class.

class HbwAllocatorTests: public :: testing::Test

{

protected:

    void SetUp()

    {}

    void TearDown()

    {}

};

//Test standard memory allocation and deallocation.

TEST_F(HbwAllocatorTests, test_TC_MEMKIND_DetaultAllocatorTest)

{

    const size_t size = 512;

    hbw::allocator<size_t> allocator;

    hbw::allocator<size_t>::pointer ptr = allocator.allocate(size);

    ASSERT_TRUE(NULL != ptr);

    //Do the actually memory writing

    for (size_t i=0; i

        ptr[i] = i;

    }

    allocator.deallocate(ptr, size);

}

//Test address conversion functionality.

TEST_F(HbwAllocatorTests, test_TC_MEMKIND_AddressConversion)

{

    const size_t size = 512;

    hbw::allocator<int> allocator;

    int *ptr = allocator.allocate(size);

    ASSERT_TRUE(NULL != ptr);

    const int excpected_val = 4;

    ptr[0] = excpected_val;

    hbw::allocator<int>::reference reference = *ptr;

    hbw::allocator<int>::const_reference const_reference = *ptr;

    hbw::allocator<int>::pointer test_ptr = allocator.address(reference);

    hbw::allocator<int>::const_pointer test_const_ptr = allocator.address(

                                                            const_reference);

    ASSERT_TRUE(NULL != test_ptr);

    ASSERT_TRUE(NULL != test_const_ptr);

    EXPECT_EQ(excpected_val, test_ptr[0]);

    EXPECT_EQ(excpected_val, test_const_ptr[0]);

    allocator.deallocate(ptr, size);

}

//Test for boundaries of allocation sizes.

//We expect to catch allocation exceptions caused by out of bound sizes.

TEST_F(HbwAllocatorTests, test_TC_MEMKIND_AllocationSizeOutOfBounds)

{

    hbw::allocator<size_t> allocator;

    const size_t over_size = allocator.max_size() + 1;

    ASSERT_THROW(allocator.allocate(over_size), std::bad_alloc);

    const size_t max_size = -1; //This will give maximum value of size_t.

    ASSERT_THROW(allocator.allocate(max_size), std::bad_alloc);

    ASSERT_THROW(allocator.allocate(0), std::bad_alloc);

}

//Test if variable will be constructed.

TEST_F(HbwAllocatorTests, test_TC_MEMKIND_AllocatorConstruct)

{

    hbw::allocator<int> allocator;

    int x = 0;

    int expect_val = 4;

    allocator.construct(&x, expect_val);

    EXPECT_EQ(expect_val, x);

}

//Test the integration with std::vector.

TEST_F(HbwAllocatorTests, test_TC_MEMKIND_StandardVector)

{

    std::vector<int, hbw::allocator<int> > vec;

    const size_t size = 10000;

    for (size_t i=0; i

        vec.push_back(i);

    }

    EXPECT_EQ(size, vec.size());

    EXPECT_EQ(1, vec[1]);

    vec.clear();

    EXPECT_EQ((size_t)0, vec.size());

}