git/t/unit-tests/t-strcmp-offset.c

36 lines
1004 B
C

#include "test-lib.h"
#include "read-cache-ll.h"
static void check_strcmp_offset(const char *string1, const char *string2,
int expect_result, uintmax_t expect_offset)
{
size_t offset;
int result = strcmp_offset(string1, string2, &offset);
/*
* Because different CRTs behave differently, only rely on signs of the
* result values.
*/
result = (result < 0 ? -1 :
result > 0 ? 1 :
0);
check_int(result, ==, expect_result);
check_uint((uintmax_t)offset, ==, expect_offset);
}
#define TEST_STRCMP_OFFSET(string1, string2, expect_result, expect_offset) \
TEST(check_strcmp_offset(string1, string2, expect_result, \
expect_offset), \
"strcmp_offset(%s, %s) works", #string1, #string2)
int cmd_main(int argc UNUSED, const char **argv UNUSED)
{
TEST_STRCMP_OFFSET("abc", "abc", 0, 3);
TEST_STRCMP_OFFSET("abc", "def", -1, 0);
TEST_STRCMP_OFFSET("abc", "abz", -1, 2);
TEST_STRCMP_OFFSET("abc", "abcdef", -1, 3);
return test_done();
}