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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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23
tests/crc16_ccitt.cpp
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@@ -4,6 +4,7 @@
#include <climits>
#include <cstdint>
#include <cstring>
#include "../library.h"
#include "../crc16_ccitt.h"
@@ -16,6 +17,7 @@
#define EXPECTED_CRC16_CCITT_2352BYTES 0x1946
static const uint8_t* buffer;
static const uint8_t* buffer_misaligned;
class crc16_ccittFixture : public ::testing::Test
{
@@ -39,9 +41,15 @@ class crc16_ccittFixture : 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);
}
~crc16_ccittFixture()
{
@@ -64,6 +72,19 @@ TEST_F(crc16_ccittFixture, crc16_ccitt_auto)
EXPECT_EQ(crc, EXPECTED_CRC16_CCITT);
}
TEST_F(crc16_ccittFixture, crc16_ccitt_auto_misaligned)
{
crc16_ccitt_ctx* ctx = crc16_ccitt_init();
uint16_t crc;
EXPECT_NE(ctx, nullptr);
crc16_ccitt_update(ctx, buffer_misaligned+1, 1048576);
crc16_ccitt_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC16_CCITT);
}
TEST_F(crc16_ccittFixture, crc16_ccitt_auto_15bytes)
{
crc16_ccitt_ctx* ctx = crc16_ccitt_init();