172 lines
4.6 KiB
C
172 lines
4.6 KiB
C
/**
|
|
* GUID test suite
|
|
*/
|
|
|
|
#include "SDL.h"
|
|
#include "SDL_test.h"
|
|
|
|
#ifdef HAVE_STDINT_H
|
|
#include <stdint.h>
|
|
#endif
|
|
|
|
/* ================= Test Case Implementation ================== */
|
|
|
|
/* Helper functions */
|
|
|
|
#define NUM_TEST_GUIDS 5
|
|
|
|
#ifndef UINT64_C
|
|
#ifdef _MSC_VER
|
|
#define UINT64_C(x) x##ui64
|
|
#elif defined(_LP64)
|
|
#define UINT64_C(x) x##UL
|
|
#else
|
|
#define UINT64_C(x) x##ULL
|
|
#endif
|
|
#endif
|
|
|
|
static struct
|
|
{
|
|
char *str;
|
|
Uint64 upper, lower;
|
|
} test_guids[NUM_TEST_GUIDS] = {
|
|
{ "0000000000000000"
|
|
"ffffffffffffffff",
|
|
UINT64_C(0x0000000000000000), UINT64_C(0xffffffffffffffff) },
|
|
{ "0011223344556677"
|
|
"8091a2b3c4d5e6f0",
|
|
UINT64_C(0x0011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
|
|
{ "a011223344556677"
|
|
"8091a2b3c4d5e6f0",
|
|
UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
|
|
{ "a011223344556677"
|
|
"8091a2b3c4d5e6f1",
|
|
UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f1) },
|
|
{ "a011223344556677"
|
|
"8191a2b3c4d5e6f0",
|
|
UINT64_C(0xa011223344556677), UINT64_C(0x8191a2b3c4d5e6f0) },
|
|
};
|
|
|
|
static void
|
|
upper_lower_to_bytestring(Uint8 *out, Uint64 upper, Uint64 lower)
|
|
{
|
|
Uint64 values[2];
|
|
int i, k;
|
|
|
|
values[0] = upper;
|
|
values[1] = lower;
|
|
|
|
for (i = 0; i < 2; ++i) {
|
|
Uint64 v = values[i];
|
|
|
|
for (k = 0; k < 8; ++k) {
|
|
*out++ = v >> 56;
|
|
v <<= 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Test case functions */
|
|
|
|
/**
|
|
* @brief Check String-to-GUID conversion
|
|
*
|
|
* @sa SDL_GUIDFromString
|
|
*/
|
|
static int
|
|
TestGuidFromString(void *arg)
|
|
{
|
|
int i;
|
|
|
|
SDLTest_AssertPass("Call to SDL_GUIDFromString");
|
|
for (i = 0; i < NUM_TEST_GUIDS; ++i) {
|
|
Uint8 expected[16];
|
|
SDL_GUID guid;
|
|
|
|
upper_lower_to_bytestring(expected,
|
|
test_guids[i].upper, test_guids[i].lower);
|
|
|
|
guid = SDL_GUIDFromString(test_guids[i].str);
|
|
SDLTest_AssertCheck(SDL_memcmp(expected, guid.data, 16) == 0, "GUID from string, GUID was: '%s'", test_guids[i].str);
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* @brief Check GUID-to-String conversion
|
|
*
|
|
* @sa SDL_GUIDToString
|
|
*/
|
|
static int
|
|
TestGuidToString(void *arg)
|
|
{
|
|
int i;
|
|
|
|
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;
|
|
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 = 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/* ================= Test References ================== */
|
|
|
|
/* GUID routine test cases */
|
|
static const SDLTest_TestCaseReference guidTest1 = {
|
|
(SDLTest_TestCaseFp)TestGuidFromString, "TestGuidFromString", "Call to SDL_GUIDFromString", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference guidTest2 = {
|
|
(SDLTest_TestCaseFp)TestGuidToString, "TestGuidToString", "Call to SDL_GUIDToString", TEST_ENABLED
|
|
};
|
|
|
|
/* Sequence of GUID routine test cases */
|
|
static const SDLTest_TestCaseReference *guidTests[] = {
|
|
&guidTest1,
|
|
&guidTest2,
|
|
NULL
|
|
};
|
|
|
|
/* GUID routine test suite (global) */
|
|
SDLTest_TestSuiteReference guidTestSuite = {
|
|
"GUID",
|
|
NULL,
|
|
guidTests,
|
|
NULL
|
|
};
|