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#129 unit test to preserve current state

This commit is contained in:
rusefi 2018-12-08 22:04:55 -05:00
parent 22822ca391
commit 9601578b84
1 changed files with 41 additions and 25 deletions
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66
unit_tests/test_pwm_generator.cpp
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@ -13,27 +13,29 @@
extern EventQueue schedulingQueue;
extern int timeNowUs;
static int nextTime = 800;
static int expectedTimeOfNextEvent = 0;
static int pinValue = -1;
static void testApplyPinState(PwmConfig *state, int stateIndex) {
int value = state->multiWave.waves[0].pinStates[stateIndex];
pinValue = state->multiWave.waves[0].pinStates[stateIndex];
printf("Applying value %d @ timeNow=%d\r\n", value, timeNowUs);
printf("PWM_test: setPinValue=%d @ timeNow=%d\r\n", pinValue, timeNowUs);
}
static void assertNextEvent(const char *msg) {
printf("Asserting event [%s]\r\n", msg);
static void assertNextEvent(const char *msg, int expectedPinState) {
printf("PWM_test: Asserting event [%s]\r\n", msg);
// only one action expected in queue
assertEquals(1, schedulingQueue.size());
assertEqualsM("PWM_test: schedulingQueue size", 1, schedulingQueue.size());
// move time to next event timestamp
timeNowUs += nextTime;
timeNowUs = expectedTimeOfNextEvent;
// execute pending actions and assert that only one action was executed
assertEqualsM(msg, 1, schedulingQueue.executeAll(timeNowUs));
assertEqualsM5(msg, " executed", 1, schedulingQueue.executeAll(timeNowUs), 0);
assertEqualsM5(msg, " pin state", expectedPinState, pinValue, 0);
// assert that we have one new action in queue
assertEquals(1, schedulingQueue.size());
assertEqualsM("PWM_test: queue.size", 1, schedulingQueue.size());
}
void testPwmGenerator() {
@ -44,6 +46,7 @@ void testPwmGenerator() {
OutputPin pin;
schedulingQueue.clear();
timeNowUs = 0;
startSimplePwm(&pwm, "unit_test",
&pin,
@ -51,32 +54,45 @@ void testPwmGenerator() {
0.80 /* duty cycle */,
&testApplyPinState);
int start = timeNowUs;
assertEqualsM2("1@1000/80", start + nextTime, schedulingQueue.getForUnitText(0)->momentX, 0);
expectedTimeOfNextEvent += 800;
assertEqualsM2("1@1000/80", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
assertNextEvent("exec@0");
assertEqualsM("time1", start + 800, timeNowUs);
nextTime += 200;
assertEqualsM2("2@1000/80", start + nextTime, schedulingQueue.getForUnitText(0)->momentX, 0);
assertNextEvent("exec@0", 0);
assertEqualsM("time1", 800, timeNowUs);
expectedTimeOfNextEvent += 200;
assertEqualsM2("2@1000/80", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
// above we had vanilla duty cycle, now let's handle a special case
pwm.setSimplePwmDutyCycle(0);
assertEqualsM2("2@1000/0", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
assertNextEvent("exec@1");
assertEqualsM("time2", start + 1800, timeNowUs);
assertNextEvent("exec@1", 1);
assertEqualsM("time2", 1000, timeNowUs);
assertEqualsM2("2@1000/80", start + nextTime, schedulingQueue.getForUnitText(0)->momentX, 0);
assertEqualsM2("3@1000/0", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
assertNextEvent("exec@2");
assertEqualsM("time3", start + 2800, timeNowUs);
assertNextEvent("exec@2", 0 /* pin value */);
assertEqualsM("time3", 1000, timeNowUs);
expectedTimeOfNextEvent += 1000;
assertEqualsM2("4@1000/0", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
assertNextEvent("exec@3");
assertEqualsM("time4", start + 3800, timeNowUs);
// todo: this is bad - pin is high with zero duty cycle
assertNextEvent("exec@3", 1 /* pin value */);
assertEqualsM("time4", 2000, timeNowUs);
assertEqualsM2("5@1000/0", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
assertNextEvent("exec@4");
assertNextEvent("exec@5");
assertNextEvent("exec@4", 0 /* pin value */);
expectedTimeOfNextEvent += 1000;
assertEqualsM2("6@1000/0", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
// todo: this is bad - pin is high with zero duty cycle
assertNextEvent("exec@5", 1 /* pin value */);
assertEqualsM2("7@1000/0", expectedTimeOfNextEvent, schedulingQueue.getForUnitText(0)->momentX, 0);
assertNextEvent("exec@6", 0 /* pin value */);
}