test: unit test for u16_strlcat()

Provide a unit test for function u16_strlcat().

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Masahisa Kojima 2022-04-28 17:09:35 +09:00 committed by Heinrich Schuchardt
parent eca08ce94c
commit b8cd1e7fc2

View file

@ -758,6 +758,56 @@ static int unicode_test_efi_create_indexed_name(struct unit_test_state *uts)
UNICODE_TEST(unicode_test_efi_create_indexed_name);
#endif
static int unicode_test_u16_strlcat(struct unit_test_state *uts)
{
u16 buf[40];
u16 dest[] = {0x3053, 0x3093, 0x306b, 0x3061, 0x306f, 0};
u16 src[] = {0x03B1, 0x2172, 0x6F5C, 0x8247, 0};
u16 concat_str[] = {0x3053, 0x3093, 0x306b, 0x3061, 0x306f,
0x03B1, 0x2172, 0x6F5C, 0x8247, 0};
u16 null_src = u'\0';
size_t ret, expected;
int i;
/* dest and src are empty string */
memset(buf, 0, sizeof(buf));
ret = u16_strlcat(buf, &null_src, sizeof(buf));
ut_asserteq(1, ret);
/* dest is empty string */
memset(buf, 0, sizeof(buf));
ret = u16_strlcat(buf, src, sizeof(buf));
ut_asserteq(5, ret);
ut_assert(!unicode_test_u16_strcmp(buf, src, 40));
/* src is empty string */
memset(buf, 0xCD, (sizeof(buf) - sizeof(u16)));
buf[39] = 0;
memcpy(buf, dest, sizeof(dest));
ret = u16_strlcat(buf, &null_src, sizeof(buf));
ut_asserteq(6, ret);
ut_assert(!unicode_test_u16_strcmp(buf, dest, 40));
for (i = 0; i <= 40; i++) {
memset(buf, 0xCD, (sizeof(buf) - sizeof(u16)));
buf[39] = 0;
memcpy(buf, dest, sizeof(dest));
expected = 10;
ret = u16_strlcat(buf, src, i);
ut_asserteq(expected, ret);
if (i <= 6) {
ut_assert(!unicode_test_u16_strcmp(buf, dest, 40));
} else if (i < 10) {
ut_assert(!unicode_test_u16_strcmp(buf, concat_str, i - 1));
} else {
ut_assert(!unicode_test_u16_strcmp(buf, concat_str, 40));
}
}
return 0;
}
UNICODE_TEST(unicode_test_u16_strlcat);
int do_ut_unicode(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(unicode_test);