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tests/checksum: fix style in fletcher16

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This commit is contained in:
Ludwig Knüpfer 2016-04-08 21:59:20 +02:00
parent 4d9ac9eebd
commit 018b3b4660
1 changed files with 32 additions and 30 deletions
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62
tests/unittests/tests-checksum/tests-checksum-fletcher16.c
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@ -22,47 +22,49 @@ static int calc_and_compare_checksum(const unsigned char *buf, size_t len,
return result == expected;
}
static void test_checksum_fletcher16(void)
static void test_checksum_fletcher16_empty(void)
{
{
unsigned char buf[] = "";
uint16_t expect = 0xFFFF;
unsigned char buf[] = "";
uint16_t expect = 0xFFFF;
TEST_ASSERT(calc_and_compare_checksum(buf, sizeof(buf) - 1, expect));
}
TEST_ASSERT(calc_and_compare_checksum(buf, sizeof(buf) - 1, expect));
}
{
/* fletcher cannot distinguish between all 0 and all 1 segments */
unsigned char buf0[16] = {
0xA1, 0xA1, 0xA1, 0xA1,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x1A, 0x1A, 0x1A, 0x1A,
};
uint32_t expect = fletcher16(buf0, sizeof(buf0));
unsigned char buf1[16] = {
0xA1, 0xA1, 0xA1, 0xA1,
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
0x1A, 0x1A, 0x1A, 0x1A,
};
static void test_checksum_fletcher16_0to1_undetected(void)
{
/* fletcher cannot distinguish between all 0 and all 1 segments */
unsigned char buf0[16] = {
0xA1, 0xA1, 0xA1, 0xA1,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x1A, 0x1A, 0x1A, 0x1A,
};
uint32_t expect = fletcher16(buf0, sizeof(buf0));
unsigned char buf1[16] = {
0xA1, 0xA1, 0xA1, 0xA1,
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
0x1A, 0x1A, 0x1A, 0x1A,
};
TEST_ASSERT(calc_and_compare_checksum(buf1, sizeof(buf1), expect));
}
TEST_ASSERT(calc_and_compare_checksum(buf1, sizeof(buf1), expect));
}
{
/* verified with http://www.nitrxgen.net/hashgen/ */
unsigned char buf[] = "abcde";
uint16_t expect = 0xc8f0;
static void test_checksum_fletcher16_atoe(void)
{
/* verified with http://www.nitrxgen.net/hashgen/ */
unsigned char buf[] = "abcde";
uint16_t expect = 0xc8f0;
TEST_ASSERT(calc_and_compare_checksum(buf, sizeof(buf) - 1, expect));
}
TEST_ASSERT(calc_and_compare_checksum(buf, sizeof(buf) - 1, expect));
}
Test *tests_checksum_fletcher16_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_checksum_fletcher16),
new_TestFixture(test_checksum_fletcher16_empty),
new_TestFixture(test_checksum_fletcher16_0to1_undetected),
new_TestFixture(test_checksum_fletcher16_atoe),
};
EMB_UNIT_TESTCALLER(checksum_fletcher16_tests, NULL, NULL, fixtures);