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// Copyright (c) 2018, The Monero Project
//
// 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, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 OR CONTRIBUTORS 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 "gtest/gtest.h"
#include "common/aligned.h"
TEST(aligned, large_null) { ASSERT_TRUE(aligned_malloc((size_t)-1, 1) == NULL); }
TEST(aligned, free_null) { aligned_free(NULL); }
TEST(aligned, zero) { void *ptr = aligned_malloc(0, 1); ASSERT_TRUE(ptr); aligned_free(ptr); }
TEST(aligned, aligned1) { void *ptr = aligned_malloc(1, 1); ASSERT_TRUE(ptr); aligned_free(ptr); }
TEST(aligned, aligned4096) { void *ptr = aligned_malloc(1, 4096); ASSERT_TRUE(ptr && ((uintptr_t)ptr & 4095) == 0); aligned_free(ptr); }
TEST(aligned, aligned8) { void *ptr = aligned_malloc(1, 8); ASSERT_TRUE(ptr && ((uintptr_t)ptr & 7) == 0); aligned_free(ptr); }
TEST(aligned, realloc_null) { void *ptr = aligned_realloc(NULL, 1, 4096); ASSERT_TRUE(ptr && ((uintptr_t)ptr & 4095) == 0); aligned_free(ptr); }
TEST(aligned, realloc_diff_align) { void *ptr = aligned_malloc(1, 4096); ASSERT_TRUE(!aligned_realloc(ptr, 1, 2048)); aligned_free(ptr); }
TEST(aligned, realloc_same) { void *ptr = aligned_malloc(1, 4096), *ptr2 = aligned_realloc(ptr, 1, 4096); ASSERT_TRUE(ptr == ptr2); aligned_free(ptr2); }
TEST(aligned, realloc_larger) { void *ptr = aligned_malloc(1, 4096), *ptr2 = aligned_realloc(ptr, 2, 4096); ASSERT_TRUE(ptr != ptr2); aligned_free(ptr2); }
TEST(aligned, realloc_zero) { void *ptr = aligned_malloc(1, 4096), *ptr2 = aligned_realloc(ptr, 0, 4096); ASSERT_TRUE(ptr && !ptr2); }
TEST(aligned, contents_larger)
{
unsigned char *ptr = (unsigned char*)aligned_malloc(50, 256);
ASSERT_TRUE(ptr);
for (int n = 0; n < 50; ++n)
ptr[n] = n;
unsigned char *ptr2 = (unsigned char*)aligned_realloc(ptr, 51, 256);
for (int n = 0; n < 50; ++n)
{
ASSERT_TRUE(ptr2[n] == n);
}
aligned_free(ptr2);
}
TEST(aligned, contents_same)
{
unsigned char *ptr = (unsigned char*)aligned_malloc(50, 256);
ASSERT_TRUE(ptr);
for (int n = 0; n < 50; ++n)
ptr[n] = n;
unsigned char *ptr2 = (unsigned char*)aligned_realloc(ptr, 50, 256);
for (int n = 0; n < 50; ++n)
{
ASSERT_TRUE(ptr2[n] == n);
}
aligned_free(ptr2);
}
TEST(aligned, contents_smaller)
{
unsigned char *ptr = (unsigned char*)aligned_malloc(50, 256);
ASSERT_TRUE(ptr);
for (int n = 0; n < 50; ++n)
ptr[n] = n;
unsigned char *ptr2 = (unsigned char*)aligned_realloc(ptr, 49, 256);
for (int n = 0; n < 49; ++n)
{
ASSERT_TRUE(ptr2[n] == n);
}
aligned_free(ptr2);
}
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