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SDL_GUIDToString() follows the SDL_GetStringRule

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Also removed the distinction between SDL_GUID and SDL_JoystickGUID
This commit is contained in:
Sam Lantinga
2024-07-19 09:08:17 -07:00
parent 892df4bf4b
commit 61a7a0e579
44 changed files with 182 additions and 260 deletions
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32
test/testautomation_guid.c
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@@ -106,40 +106,14 @@ TestGuidToString(void *arg)
SDLTest_AssertPass("Call to SDL_GUIDToString");
for (i = 0; i < NUM_TEST_GUIDS; ++i) {
const int guid_str_offset = 4;
char guid_str_buf[64];
char *guid_str = guid_str_buf + guid_str_offset;
const char *guid_str;
SDL_GUID guid;
int size;
upper_lower_to_bytestring(guid.data,
test_guids[i].upper, test_guids[i].lower);
/* Serialise to limited-length buffers */
for (size = 0; size <= 36; ++size) {
const Uint8 fill_char = (Uint8)(size + 0xa0);
Uint32 expected_prefix;
Uint32 actual_prefix;
int written_size;
SDL_memset(guid_str_buf, fill_char, sizeof(guid_str_buf));
SDL_GUIDToString(guid, guid_str, size);
/* Check bytes before guid_str_buf */
expected_prefix = fill_char | (fill_char << 8) | (fill_char << 16) | (((Uint32)fill_char) << 24);
SDL_memcpy(&actual_prefix, guid_str_buf, 4);
SDLTest_AssertCheck(expected_prefix == actual_prefix, "String buffer memory before output untouched, expected: %" SDL_PRIu32 ", got: %" SDL_PRIu32 ", at size=%d", expected_prefix, actual_prefix, size);
/* Check that we did not overwrite too much */
written_size = 0;
while ((guid_str[written_size] & 0xff) != fill_char && written_size < 256) {
++written_size;
}
SDLTest_AssertCheck(written_size <= size, "Output length is within expected bounds, with length %d: wrote %d of %d permitted bytes", size, written_size, size);
if (size >= 33) {
SDLTest_AssertCheck(SDL_strcmp(guid_str, test_guids[i].str) == 0, "GUID string equality, from string: %s", test_guids[i].str);
}
}
guid_str = SDL_GUIDToString(guid);
SDLTest_AssertCheck(SDL_strcmp(guid_str, test_guids[i].str) == 0, "Checking whether strings match, expected %s, got %s\n", test_guids[i].str, guid_str);
}
return TEST_COMPLETED;