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SDL/test/testautomation_platform.c

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/**
* Original code: automated SDL platform test written by Edgar Simo "bobbens"
* Extended and updated by aschiffler at ferzkopp dot net
*/
#include <SDL3/SDL.h>
#include <SDL3/SDL_test.h>
#include "testautomation_suites.h"
/* ================= Test Case Implementation ================== */
/* Helper functions */
/**
* Compare sizes of types.
*
* @note Watcom C flags these as Warning 201: "Unreachable code" if you just
* compare them directly, so we push it through a function to keep the
* compiler quiet. --ryan.
*/
static int compareSizeOfType(size_t sizeoftype, size_t hardcodetype)
{
return sizeoftype != hardcodetype;
}
/* Test case functions */
/**
* Tests type sizes.
*/
static int SDLCALL platform_testTypes(void *arg)
{
int ret;
ret = compareSizeOfType(sizeof(Uint8), 1);
SDLTest_AssertCheck(ret == 0, "sizeof(Uint8) = %u, expected 1", (unsigned int)sizeof(Uint8));
ret = compareSizeOfType(sizeof(Uint16), 2);
SDLTest_AssertCheck(ret == 0, "sizeof(Uint16) = %u, expected 2", (unsigned int)sizeof(Uint16));
ret = compareSizeOfType(sizeof(Uint32), 4);
SDLTest_AssertCheck(ret == 0, "sizeof(Uint32) = %u, expected 4", (unsigned int)sizeof(Uint32));
ret = compareSizeOfType(sizeof(Uint64), 8);
SDLTest_AssertCheck(ret == 0, "sizeof(Uint64) = %u, expected 8", (unsigned int)sizeof(Uint64));
return TEST_COMPLETED;
}
/**
* Tests platform endianness and SDL_SwapXY functions.
*/
static int SDLCALL platform_testEndianessAndSwap(void *arg)
{
int real_byteorder;
int real_floatwordorder = 0;
Uint16 value = 0x1234;
Uint16 value16 = 0xCDAB;
Uint16 swapped16 = 0xABCD;
Uint32 value32 = 0xEFBEADDE;
Uint32 swapped32 = 0xDEADBEEF;
union
{
double d;
Uint32 ui32[2];
} value_double;
Uint64 value64, swapped64;
value64 = 0xEFBEADDE;
value64 <<= 32;
value64 |= 0xCDAB3412;
swapped64 = 0x1234ABCD;
swapped64 <<= 32;
swapped64 |= 0xDEADBEEF;
value_double.d = 3.141593;
if ((*((char *)&value) >> 4) == 0x1) {
real_byteorder = SDL_BIG_ENDIAN;
} else {
real_byteorder = SDL_LIL_ENDIAN;
}
/* Test endianness. */
SDLTest_AssertCheck(real_byteorder == SDL_BYTEORDER,
"Machine detected as %s endian, appears to be %s endian.",
(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big",
(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
if (value_double.ui32[0] == 0x82c2bd7f && value_double.ui32[1] == 0x400921fb) {
real_floatwordorder = SDL_LIL_ENDIAN;
} else if (value_double.ui32[0] == 0x400921fb && value_double.ui32[1] == 0x82c2bd7f) {
real_floatwordorder = SDL_BIG_ENDIAN;
}
/* Test endianness. */
SDLTest_AssertCheck(real_floatwordorder == SDL_FLOATWORDORDER,
"Machine detected as having %s endian float word order, appears to be %s endian.",
(SDL_FLOATWORDORDER == SDL_LIL_ENDIAN) ? "little" : "big",
(real_floatwordorder == SDL_LIL_ENDIAN) ? "little" : (real_floatwordorder == SDL_BIG_ENDIAN) ? "big"
: "unknown");
/* Test 16 swap. */
SDLTest_AssertCheck(SDL_Swap16(value16) == swapped16,
"SDL_Swap16(): 16 bit swapped: 0x%X => 0x%X",
value16, SDL_Swap16(value16));
/* Test 32 swap. */
SDLTest_AssertCheck(SDL_Swap32(value32) == swapped32,
"SDL_Swap32(): 32 bit swapped: 0x%" SDL_PRIX32 " => 0x%" SDL_PRIX32,
value32, SDL_Swap32(value32));
/* Test 64 swap. */
SDLTest_AssertCheck(SDL_Swap64(value64) == swapped64,
"SDL_Swap64(): 64 bit swapped: 0x%" SDL_PRIX64 " => 0x%" SDL_PRIX64,
value64, SDL_Swap64(value64));
return TEST_COMPLETED;
}
/**
* Tests SDL_GetXYZ() functions
* \sa SDL_GetPlatform
* \sa SDL_GetNumLogicalCPUCores
* \sa SDL_GetRevision
* \sa SDL_GetCPUCacheLineSize
*/
static int SDLCALL platform_testGetFunctions(void *arg)
{
const char *platform;
const char *revision;
int ret;
size_t len;
platform = SDL_GetPlatform();
SDLTest_AssertPass("SDL_GetPlatform()");
SDLTest_AssertCheck(platform != NULL, "SDL_GetPlatform() != NULL");
if (platform != NULL) {
len = SDL_strlen(platform);
SDLTest_AssertCheck(len > 0,
"SDL_GetPlatform(): expected non-empty platform, was platform: '%s', len: %i",
platform,
(int)len);
}
ret = SDL_GetNumLogicalCPUCores();
SDLTest_AssertPass("SDL_GetNumLogicalCPUCores()");
SDLTest_AssertCheck(ret > 0,
"SDL_GetNumLogicalCPUCores(): expected count > 0, was: %i",
ret);
ret = SDL_GetCPUCacheLineSize();
SDLTest_AssertPass("SDL_GetCPUCacheLineSize()");
SDLTest_AssertCheck(ret >= 0,
"SDL_GetCPUCacheLineSize(): expected size >= 0, was: %i",
ret);
revision = SDL_GetRevision();
SDLTest_AssertPass("SDL_GetRevision()");
SDLTest_AssertCheck(revision != NULL, "SDL_GetRevision() != NULL");
return TEST_COMPLETED;
}
/**
* Tests SDL_HasXYZ() functions
* \sa SDL_HasAltiVec
* \sa SDL_HasMMX
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
* \sa SDL_HasAVX
*/
static int SDLCALL platform_testHasFunctions(void *arg)
{
/* TODO: independently determine and compare values as well */
SDL_HasAltiVec();
SDLTest_AssertPass("SDL_HasAltiVec()");
SDL_HasMMX();
SDLTest_AssertPass("SDL_HasMMX()");
SDL_HasSSE();
SDLTest_AssertPass("SDL_HasSSE()");
SDL_HasSSE2();
SDLTest_AssertPass("SDL_HasSSE2()");
SDL_HasSSE3();
SDLTest_AssertPass("SDL_HasSSE3()");
SDL_HasSSE41();
SDLTest_AssertPass("SDL_HasSSE41()");
SDL_HasSSE42();
SDLTest_AssertPass("SDL_HasSSE42()");
SDL_HasAVX();
SDLTest_AssertPass("SDL_HasAVX()");
return TEST_COMPLETED;
}
/**
* Tests SDL_GetVersion
* \sa SDL_GetVersion
*/
static int SDLCALL platform_testGetVersion(void *arg)
{
int linked = SDL_GetVersion();
SDLTest_AssertCheck(linked >= SDL_VERSION,
"SDL_GetVersion(): returned version %d (>= %d)",
linked,
SDL_VERSION);
return TEST_COMPLETED;
}
/**
* Tests default SDL_Init
*/
static int SDLCALL platform_testDefaultInit(void *arg)
{
bool ret;
int subsystem;
subsystem = SDL_WasInit(0);
SDLTest_AssertCheck(subsystem != 0,
"SDL_WasInit(0): returned %i, expected != 0",
subsystem);
ret = SDL_Init(0);
SDLTest_AssertCheck(ret == true,
"SDL_Init(0): returned %i, expected true, error: %s",
ret,
SDL_GetError());
return TEST_COMPLETED;
}
/**
* Tests SDL_Get/Set/ClearError
* \sa SDL_GetError
* \sa SDL_SetError
* \sa SDL_ClearError
*/
static int SDLCALL platform_testGetSetClearError(void *arg)
{
int result;
const char *testError = "Testing";
const char *lastError;
size_t len;
SDL_ClearError();
SDLTest_AssertPass("SDL_ClearError()");
lastError = SDL_GetError();
SDLTest_AssertPass("SDL_GetError()");
SDLTest_AssertCheck(lastError != NULL,
"SDL_GetError() != NULL");
if (lastError != NULL) {
len = SDL_strlen(lastError);
SDLTest_AssertCheck(len == 0,
"SDL_GetError(): no message expected, len: %i", (int)len);
}
result = SDL_SetError("%s", testError);
SDLTest_AssertPass("SDL_SetError()");
SDLTest_AssertCheck(result == false, "SDL_SetError: expected false, got: %i", result);
lastError = SDL_GetError();
SDLTest_AssertCheck(lastError != NULL,
"SDL_GetError() != NULL");
if (lastError != NULL) {
len = SDL_strlen(lastError);
SDLTest_AssertCheck(len == SDL_strlen(testError),
"SDL_GetError(): expected message len %i, was len: %i",
(int)SDL_strlen(testError),
(int)len);
SDLTest_AssertCheck(SDL_strcmp(lastError, testError) == 0,
"SDL_GetError(): expected message %s, was message: %s",
testError,
lastError);
}
/* Clean up */
SDL_ClearError();
SDLTest_AssertPass("SDL_ClearError()");
return TEST_COMPLETED;
}
/**
* Tests SDL_SetError with empty input
* \sa SDL_SetError
*/
static int SDLCALL platform_testSetErrorEmptyInput(void *arg)
{
int result;
const char *testError = "";
const char *lastError;
size_t len;
result = SDL_SetError("%s", testError);
SDLTest_AssertPass("SDL_SetError()");
SDLTest_AssertCheck(result == false, "SDL_SetError: expected false, got: %i", result);
lastError = SDL_GetError();
SDLTest_AssertCheck(lastError != NULL,
"SDL_GetError() != NULL");
if (lastError != NULL) {
len = SDL_strlen(lastError);
SDLTest_AssertCheck(len == SDL_strlen(testError),
"SDL_GetError(): expected message len %i, was len: %i",
(int)SDL_strlen(testError),
(int)len);
SDLTest_AssertCheck(SDL_strcmp(lastError, testError) == 0,
"SDL_GetError(): expected message '%s', was message: '%s'",
testError,
lastError);
}
/* Clean up */
SDL_ClearError();
SDLTest_AssertPass("SDL_ClearError()");
return TEST_COMPLETED;
}
#ifdef HAVE_WFORMAT_OVERFLOW
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-overflow"
#endif
/**
* Tests SDL_SetError with invalid input
* \sa SDL_SetError
*/
static int SDLCALL platform_testSetErrorInvalidInput(void *arg)
{
int result;
const char *invalidError = "";
const char *probeError = "Testing";
const char *lastError;
size_t len;
/* Reset */
SDL_ClearError();
SDLTest_AssertPass("SDL_ClearError()");
/* Check for no-op */
result = SDL_SetError("%s", invalidError);
SDLTest_AssertPass("SDL_SetError()");
SDLTest_AssertCheck(result == false, "SDL_SetError: expected false, got: %i", result);
lastError = SDL_GetError();
SDLTest_AssertCheck(lastError != NULL,
"SDL_GetError() != NULL");
if (lastError != NULL) {
len = SDL_strlen(lastError);
SDLTest_AssertCheck(len == 0 || SDL_strcmp(lastError, "(null)") == 0,
"SDL_GetError(): expected message len 0, was len: %i",
(int)len);
}
/* Set */
result = SDL_SetError("%s", probeError);
SDLTest_AssertPass("SDL_SetError('%s')", probeError);
SDLTest_AssertCheck(result == false, "SDL_SetError: expected false, got: %i", result);
/* Check for no-op */
result = SDL_SetError("%s", invalidError);
SDLTest_AssertPass("SDL_SetError(NULL)");
SDLTest_AssertCheck(result == false, "SDL_SetError: expected false, got: %i", result);
lastError = SDL_GetError();
SDLTest_AssertCheck(lastError != NULL,
"SDL_GetError() != NULL");
if (lastError != NULL) {
len = SDL_strlen(lastError);
SDLTest_AssertCheck(len == 0 || SDL_strcmp(lastError, "(null)") == 0,
"SDL_GetError(): expected message len 0, was len: %i",
(int)len);
}
/* Reset */
SDL_ClearError();
SDLTest_AssertPass("SDL_ClearError()");
/* Set and check */
result = SDL_SetError("%s", probeError);
SDLTest_AssertPass("SDL_SetError()");
SDLTest_AssertCheck(result == false, "SDL_SetError: expected false, got: %i", result);
lastError = SDL_GetError();
SDLTest_AssertCheck(lastError != NULL,
"SDL_GetError() != NULL");
if (lastError != NULL) {
len = SDL_strlen(lastError);
SDLTest_AssertCheck(len == SDL_strlen(probeError),
"SDL_GetError(): expected message len %i, was len: %i",
(int)SDL_strlen(probeError),
(int)len);
SDLTest_AssertCheck(SDL_strcmp(lastError, probeError) == 0,
"SDL_GetError(): expected message '%s', was message: '%s'",
probeError,
lastError);
}
/* Clean up */
SDL_ClearError();
SDLTest_AssertPass("SDL_ClearError()");
return TEST_COMPLETED;
}
#ifdef HAVE_WFORMAT_OVERFLOW
#pragma GCC diagnostic pop
#endif
/**
* Tests SDL_GetPowerInfo
* \sa SDL_GetPowerInfo
*/
static int SDLCALL platform_testGetPowerInfo(void *arg)
{
SDL_PowerState state;
SDL_PowerState stateAgain;
int secs;
int secsAgain;
int pct;
int pctAgain;
state = SDL_GetPowerInfo(&secs, &pct);
SDLTest_AssertPass("SDL_GetPowerInfo()");
SDLTest_AssertCheck(
state == SDL_POWERSTATE_UNKNOWN ||
state == SDL_POWERSTATE_ON_BATTERY ||
state == SDL_POWERSTATE_NO_BATTERY ||
state == SDL_POWERSTATE_CHARGING ||
state == SDL_POWERSTATE_CHARGED,
"SDL_GetPowerInfo(): state %i is one of the expected values",
(int)state);
if (state == SDL_POWERSTATE_ON_BATTERY) {
SDLTest_AssertCheck(
secs >= 0,
"SDL_GetPowerInfo(): on battery, secs >= 0, was: %i",
secs);
SDLTest_AssertCheck(
(pct >= 0) && (pct <= 100),
"SDL_GetPowerInfo(): on battery, pct=[0,100], was: %i",
pct);
}
if (state == SDL_POWERSTATE_UNKNOWN ||
state == SDL_POWERSTATE_NO_BATTERY) {
SDLTest_AssertCheck(
secs == -1,
"SDL_GetPowerInfo(): no battery, secs == -1, was: %i",
secs);
SDLTest_AssertCheck(
pct == -1,
"SDL_GetPowerInfo(): no battery, pct == -1, was: %i",
pct);
}
/* Partial return value variations */
stateAgain = SDL_GetPowerInfo(&secsAgain, NULL);
SDLTest_AssertCheck(
state == stateAgain,
"State %i returned when only 'secs' requested",
stateAgain);
SDLTest_AssertCheck(
secs == secsAgain,
"Value %i matches when only 'secs' requested",
secsAgain);
stateAgain = SDL_GetPowerInfo(NULL, &pctAgain);
SDLTest_AssertCheck(
state == stateAgain,
"State %i returned when only 'pct' requested",
stateAgain);
SDLTest_AssertCheck(
pct == pctAgain,
"Value %i matches when only 'pct' requested",
pctAgain);
stateAgain = SDL_GetPowerInfo(NULL, NULL);
SDLTest_AssertCheck(
state == stateAgain,
"State %i returned when no value requested",
stateAgain);
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Platform test cases */
static const SDLTest_TestCaseReference platformTest1 = {
platform_testTypes, "platform_testTypes", "Tests predefined types", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest2 = {
platform_testEndianessAndSwap, "platform_testEndianessAndSwap", "Tests endianness and swap functions", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest3 = {
platform_testGetFunctions, "platform_testGetFunctions", "Tests various SDL_GetXYZ functions", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest4 = {
platform_testHasFunctions, "platform_testHasFunctions", "Tests various SDL_HasXYZ functions", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest5 = {
platform_testGetVersion, "platform_testGetVersion", "Tests SDL_GetVersion function", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest6 = {
platform_testDefaultInit, "platform_testDefaultInit", "Tests default SDL_Init", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest7 = {
platform_testGetSetClearError, "platform_testGetSetClearError", "Tests SDL_Get/Set/ClearError", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest8 = {
platform_testSetErrorEmptyInput, "platform_testSetErrorEmptyInput", "Tests SDL_SetError with empty input", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest9 = {
platform_testSetErrorInvalidInput, "platform_testSetErrorInvalidInput", "Tests SDL_SetError with invalid input", TEST_ENABLED
};
static const SDLTest_TestCaseReference platformTest10 = {
platform_testGetPowerInfo, "platform_testGetPowerInfo", "Tests SDL_GetPowerInfo function", TEST_ENABLED
};
/* Sequence of Platform test cases */
static const SDLTest_TestCaseReference *platformTests[] = {
&platformTest1,
&platformTest2,
&platformTest3,
&platformTest4,
&platformTest5,
&platformTest6,
&platformTest7,
&platformTest8,
&platformTest9,
&platformTest10,
NULL
};
/* Platform test suite (global) */
SDLTest_TestSuiteReference platformTestSuite = {
"Platform",
NULL,
platformTests,
NULL
};
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