mirror of
https://github.com/VectorCamp/vectorscan.git
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93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
/*
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* Copyright (c) 2015, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "gtest/gtest.h"
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#include "util/unaligned.h"
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TEST(Unaligned, StoreLoad16) {
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char data[3];
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memset(data, 0, sizeof(data));
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char *ptr = &data[1];
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unaligned_store_u16(ptr, (u16)~0u);
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ASSERT_EQ((u16)~0u, unaligned_load_u16(ptr));
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unaligned_store_u16(ptr, 0u);
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ASSERT_EQ(0u, unaligned_load_u16(ptr));
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unaligned_store_u16(ptr, (u16)0xf0f0u);
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ASSERT_EQ(0xf0f0u, unaligned_load_u16(ptr));
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for (u32 i = 0; i < 16; i++) {
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const u16 val = 0x1u << i;
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memset(data, 0xff, sizeof(data));
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unaligned_store_u16(ptr, val);
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ASSERT_EQ(val, unaligned_load_u16(ptr));
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}
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}
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TEST(Unaligned, StoreLoad32) {
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char data[5];
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memset(data, 0, sizeof(data));
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char *ptr = &data[1];
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unaligned_store_u32(ptr, ~0u);
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ASSERT_EQ(~0u, unaligned_load_u32(ptr));
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unaligned_store_u32(ptr, 0u);
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ASSERT_EQ(0u, unaligned_load_u32(ptr));
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unaligned_store_u32(ptr, 0xf0f0f0f0u);
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ASSERT_EQ(0xf0f0f0f0u, unaligned_load_u32(ptr));
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for (u32 i = 0; i < 32; i++) {
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const u32 val = 0x1u << i;
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memset(data, 0xff, sizeof(data));
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unaligned_store_u32(ptr, val);
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ASSERT_EQ(val, unaligned_load_u32(ptr));
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}
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}
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TEST(Unaligned, StoreLoad64) {
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char data[9];
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memset(data, 0, sizeof(data));
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char *ptr = &data[1];
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unaligned_store_u64a(ptr, ~0ull);
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ASSERT_EQ(~0ull, unaligned_load_u64a(ptr));
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unaligned_store_u64a(ptr, 0ull);
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ASSERT_EQ(0ull, unaligned_load_u64a(ptr));
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unaligned_store_u64a(ptr, 0xf0f0f0f0f0f0f0f0ull);
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ASSERT_EQ(0xf0f0f0f0f0f0f0f0ull, unaligned_load_u64a(ptr));
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for (u32 i = 0; i < 64; i++) {
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const u64a val = 0x1ull << i;
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memset(data, 0xff, sizeof(data));
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unaligned_store_u64a(ptr, val);
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ASSERT_EQ(val, unaligned_load_u64a(ptr));
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}
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}
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