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/**
* Timer test suite
*/
#include <stdio.h>
#include "SDL.h"
#include "SDL_test.h"
/* Flag indicating if the param should be checked */
int _paramCheck = 0;
/* Userdata value to check */
int _paramValue = 0;
/* Flag indicating that the callback was called */
int _timerCallbackCalled = 0;
/* Fixture */
void
_timerSetUp(void *arg)
{
/* Start SDL timer subsystem */
int ret = SDL_InitSubSystem( SDL_INIT_TIMER );
SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_TIMER)");
SDLTest_AssertCheck(ret==0, "Check result from SDL_InitSubSystem(SDL_INIT_TIMER)");
if (ret != 0) {
SDLTest_LogError("%s", SDL_GetError());
}
}
/* Test case functions */
/**
* @brief Call to SDL_GetPerformanceCounter
*/
int
timer_getPerformanceCounter(void *arg)
{
Uint64 result;
result = SDL_GetPerformanceCounter();
SDLTest_AssertPass("Call to SDL_GetPerformanceCounter()");
SDLTest_AssertCheck(result > 0, "Check result value, expected: >0, got: %"SDL_PRIu64, result);
return TEST_COMPLETED;
}
/**
* @brief Call to SDL_GetPerformanceFrequency
*/
int
timer_getPerformanceFrequency(void *arg)
{
Uint64 result;
result = SDL_GetPerformanceFrequency();
SDLTest_AssertPass("Call to SDL_GetPerformanceFrequency()");
SDLTest_AssertCheck(result > 0, "Check result value, expected: >0, got: %"SDL_PRIu64, result);
return TEST_COMPLETED;
}
/**
* @brief Call to SDL_Delay and SDL_GetTicks
*/
int
timer_delayAndGetTicks(void *arg)
{
const Uint32 testDelay = 100;
const Uint32 marginOfError = 25;
Uint32 result;
Uint32 result2;
Uint32 difference;
/* Zero delay */
SDL_Delay(0);
SDLTest_AssertPass("Call to SDL_Delay(0)");
/* Non-zero delay */
SDL_Delay(1);
SDLTest_AssertPass("Call to SDL_Delay(1)");
SDL_Delay(SDLTest_RandomIntegerInRange(5, 15));
SDLTest_AssertPass("Call to SDL_Delay()");
/* Get ticks count - should be non-zero by now */
result = SDL_GetTicks();
SDLTest_AssertPass("Call to SDL_GetTicks()");
SDLTest_AssertCheck(result > 0, "Check result value, expected: >0, got: %d", result);
/* Delay a bit longer and measure ticks and verify difference */
SDL_Delay(testDelay);
SDLTest_AssertPass("Call to SDL_Delay(%d)", testDelay);
result2 = SDL_GetTicks();
SDLTest_AssertPass("Call to SDL_GetTicks()");
SDLTest_AssertCheck(result2 > 0, "Check result value, expected: >0, got: %d", result2);
difference = result2 - result;
SDLTest_AssertCheck(difference > (testDelay - marginOfError), "Check difference, expected: >%d, got: %d", testDelay - marginOfError, difference);
SDLTest_AssertCheck(difference < (testDelay + marginOfError), "Check difference, expected: <%d, got: %d", testDelay + marginOfError, difference);
return TEST_COMPLETED;
}
/* Test callback */
Uint32 _timerTestCallback(Uint32 interval, void *param)
{
_timerCallbackCalled = 1;
if (_paramCheck != 0) {
SDLTest_AssertCheck(param != NULL, "Check param pointer, expected: non-NULL, got: %s", (param != NULL) ? "non-NULL" : "NULL");
if (param != NULL) {
SDLTest_AssertCheck(*(int *)param == _paramValue, "Check param value, expected: %i, got: %i", _paramValue, *(int *)param);
}
}
return 0;
}
/**
* @brief Call to SDL_AddTimer and SDL_RemoveTimer
*/
int
timer_addRemoveTimer(void *arg)
{
SDL_TimerID id;
SDL_bool result;
int param;
/* Reset state */
_paramCheck = 0;
_timerCallbackCalled = 0;
/* Set timer with a long delay */
id = SDL_AddTimer(10000, _timerTestCallback, NULL);
SDLTest_AssertPass("Call to SDL_AddTimer(10000,...)");
SDLTest_AssertCheck(id > 0, "Check result value, expected: >0, got: %d", id);
/* Remove timer again and check that callback was not called */
result = SDL_RemoveTimer(id);
SDLTest_AssertPass("Call to SDL_RemoveTimer()");
SDLTest_AssertCheck(result == SDL_TRUE, "Check result value, expected: %i, got: %i", SDL_TRUE, result);
SDLTest_AssertCheck(_timerCallbackCalled == 0, "Check callback WAS NOT called, expected: 0, got: %i", _timerCallbackCalled);
/* Try to remove timer again (should be a NOOP) */
result = SDL_RemoveTimer(id);
SDLTest_AssertPass("Call to SDL_RemoveTimer()");
SDLTest_AssertCheck(result == SDL_FALSE, "Check result value, expected: %i, got: %i", SDL_FALSE, result);
/* Reset state */
param = SDLTest_RandomIntegerInRange(-1024, 1024);
_paramCheck = 1;
_paramValue = param;
_timerCallbackCalled = 0;
/* Set timer with a short delay */
id = SDL_AddTimer(10, _timerTestCallback, (void *)¶m);
SDLTest_AssertPass("Call to SDL_AddTimer(10, param)");
SDLTest_AssertCheck(id > 0, "Check result value, expected: >0, got: %d", id);
/* Wait to let timer trigger callback */
SDL_Delay(100);
SDLTest_AssertPass("Call to SDL_Delay(100)");
/* Remove timer again and check that callback was called */
result = SDL_RemoveTimer(id);
SDLTest_AssertPass("Call to SDL_RemoveTimer()");
SDLTest_AssertCheck(result == SDL_FALSE, "Check result value, expected: %i, got: %i", SDL_FALSE, result);
SDLTest_AssertCheck(_timerCallbackCalled == 1, "Check callback WAS called, expected: 1, got: %i", _timerCallbackCalled);
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Timer test cases */
static const SDLTest_TestCaseReference timerTest1 =
{ (SDLTest_TestCaseFp)timer_getPerformanceCounter, "timer_getPerformanceCounter", "Call to SDL_GetPerformanceCounter", TEST_ENABLED };
static const SDLTest_TestCaseReference timerTest2 =
{ (SDLTest_TestCaseFp)timer_getPerformanceFrequency, "timer_getPerformanceFrequency", "Call to SDL_GetPerformanceFrequency", TEST_ENABLED };
static const SDLTest_TestCaseReference timerTest3 =
{ (SDLTest_TestCaseFp)timer_delayAndGetTicks, "timer_delayAndGetTicks", "Call to SDL_Delay and SDL_GetTicks", TEST_ENABLED };
static const SDLTest_TestCaseReference timerTest4 =
{ (SDLTest_TestCaseFp)timer_addRemoveTimer, "timer_addRemoveTimer", "Call to SDL_AddTimer and SDL_RemoveTimer", TEST_ENABLED };
/* Sequence of Timer test cases */
static const SDLTest_TestCaseReference *timerTests[] = {
&timerTest1, &timerTest2, &timerTest3, &timerTest4, NULL
};
/* Timer test suite (global) */
SDLTest_TestSuiteReference timerTestSuite = {
"Timer",
_timerSetUp,
timerTests,
NULL
};
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