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/*
* Copyright (c) 2015, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Intel Corporation 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 OWNER 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 "config.h"
#include "gtest/gtest.h"
#include "util/unaligned.h"
TEST(Unaligned, StoreLoad16) {
char data[3];
memset(data, 0, sizeof(data));
char *ptr = &data[1];
unaligned_store_u16(ptr, (u16)~0u);
ASSERT_EQ((u16)~0u, unaligned_load_u16(ptr));
unaligned_store_u16(ptr, 0u);
ASSERT_EQ(0u, unaligned_load_u16(ptr));
unaligned_store_u16(ptr, (u16)0xf0f0u);
ASSERT_EQ(0xf0f0u, unaligned_load_u16(ptr));
for (u32 i = 0; i < 16; i++) {
const u16 val = 0x1u << i;
memset(data, 0xff, sizeof(data));
unaligned_store_u16(ptr, val);
ASSERT_EQ(val, unaligned_load_u16(ptr));
}
}
TEST(Unaligned, StoreLoad32) {
char data[5];
memset(data, 0, sizeof(data));
char *ptr = &data[1];
unaligned_store_u32(ptr, ~0u);
ASSERT_EQ(~0u, unaligned_load_u32(ptr));
unaligned_store_u32(ptr, 0u);
ASSERT_EQ(0u, unaligned_load_u32(ptr));
unaligned_store_u32(ptr, 0xf0f0f0f0u);
ASSERT_EQ(0xf0f0f0f0u, unaligned_load_u32(ptr));
for (u32 i = 0; i < 32; i++) {
const u32 val = 0x1u << i;
memset(data, 0xff, sizeof(data));
unaligned_store_u32(ptr, val);
ASSERT_EQ(val, unaligned_load_u32(ptr));
}
}
TEST(Unaligned, StoreLoad64) {
char data[9];
memset(data, 0, sizeof(data));
char *ptr = &data[1];
unaligned_store_u64a(ptr, ~0ull);
ASSERT_EQ(~0ull, unaligned_load_u64a(ptr));
unaligned_store_u64a(ptr, 0ull);
ASSERT_EQ(0ull, unaligned_load_u64a(ptr));
unaligned_store_u64a(ptr, 0xf0f0f0f0f0f0f0f0ull);
ASSERT_EQ(0xf0f0f0f0f0f0f0f0ull, unaligned_load_u64a(ptr));
for (u32 i = 0; i < 64; i++) {
const u64a val = 0x1ull << i;
memset(data, 0xff, sizeof(data));
unaligned_store_u64a(ptr, val);
ASSERT_EQ(val, unaligned_load_u64a(ptr));
}
}
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