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Add tests with a misaligned buffer.

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This commit is contained in:
Natalia Portillo
2021-10-06 04:28:26 +01:00
parent 705e13f6a4
commit ee776e95f8
8 changed files with 320 additions and 7 deletions
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73
tests/crc32.cpp
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@@ -4,6 +4,7 @@
#include <climits>
#include <cstdint>
#include <cstring>
#include "../library.h"
#include "../crc32.h"
@@ -16,6 +17,7 @@
#define EXPECTED_CRC32_2352BYTES 0x08ba93ea
static const uint8_t* buffer;
static const uint8_t* buffer_misaligned;
class crc32Fixture : public ::testing::Test
{
@@ -39,9 +41,15 @@ class crc32Fixture : public ::testing::Test
buffer = (const uint8_t*)malloc(1048576);
fread((void*)buffer, 1, 1048576, file);
fclose(file);
buffer_misaligned = (const uint8_t*)malloc(1048577);
memcpy((void*)(buffer_misaligned + 1), buffer, 1048576);
}
void TearDown() { free((void*)buffer); }
void TearDown() {
free((void*)buffer);
free((void*)buffer_misaligned);
}
~crc32Fixture()
{
@@ -75,6 +83,30 @@ TEST_F(crc32Fixture, crc32_slicing)
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_auto_misaligned)
{
crc32_ctx* ctx = crc32_init();
uint32_t crc;
EXPECT_NE(ctx, nullptr);
crc32_update(ctx, buffer_misaligned+1, 1048576);
crc32_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_slicing_misaligned)
{
uint32_t crc = CRC32_ISO_SEED;
crc32_slicing(&crc, buffer_misaligned+1, 1048576);
crc ^= CRC32_ISO_SEED;
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_auto_15bytes)
{
crc32_ctx* ctx = crc32_init();
@@ -186,6 +218,19 @@ TEST_F(crc32Fixture, crc32_clmul)
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_clmul_misaligned)
{
if(!have_clmul()) return;
uint32_t crc = CRC32_ISO_SEED;
crc = ~crc32_clmul(buffer_misaligned+1, 1048576, ~crc);
crc ^= CRC32_ISO_SEED;
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_clmul_15bytes)
{
if(!have_clmul()) return;
@@ -254,6 +299,19 @@ TEST_F(crc32Fixture, crc32_arm_crc32)
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_arm_crc32_misaligned)
{
if(!have_arm_crc32()) return;
uint32_t crc = CRC32_ISO_SEED;
crc = armv8_crc32_little(crc, buffer_misaligned+1, 1048576);
crc ^= CRC32_ISO_SEED;
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_arm_crc32_15bytes)
{
if(!have_arm_crc32()) return;
@@ -320,6 +378,19 @@ TEST_F(crc32Fixture, crc32_vmull)
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_vmull_misaligned)
{
if(!have_neon()) return;
uint32_t crc = CRC32_ISO_SEED;
crc = ~crc32_vmull(buffer_misaligned+1, 1048576, ~crc);
crc ^= CRC32_ISO_SEED;
EXPECT_EQ(crc, EXPECTED_CRC32);
}
TEST_F(crc32Fixture, crc32_vmull_15bytes)
{
if(!have_neon()) return;