public void TestBasicState()
{
FTimer t = new FTimer(3f);
Assert.That(t.Duration, Is.EqualTo(3f));
// StartTime, Elapsed, and Normalized are garbage values on a non-Running timer.
//Assert.That(t.StartTime, Is.EqualTo(0));
//Assert.That(t.Elapsed, Is.EqualTo(0));
//Assert.That(t.Normalized, Is.EqualTo(0));
Assert.That(t.Running, Is.False);
Assert.That(t.Paused, Is.False);
Assert.That(t.Done, Is.False);
t.Start();
Assert.That(t.StartTime, Is.EqualTo(Time.time));
AssertState(t, 0, 0, true, false, false);
#if FILUTIL_DEBUG
// _SetNow is a debug hook used to test timer advancement.
t._SetNow(t.StartTime + 1);
AssertState(t, 1, 1f/3f, true, false, false);
t._SetNow(t.StartTime + 3);
AssertState(t, 3, 1, true, false, true);
t._SetNow(t.StartTime + 4); // overtime
AssertState(t, 4, 1, true, false, true);
#endif
t.Stop();
// StartTime, Elapsed, and Normalized go back to junk values after Stop.
//Assert.That(t.StartTime, Is.EqualTo(0));
//Assert.That(t.Elapsed, Is.EqualTo(0));
//Assert.That(t.Normalized, Is.EqualTo(0));
Assert.That(t.Running, Is.False);
Assert.That(t.Paused, Is.False);
Assert.That(t.Done, Is.False);
}
public void TestDelay()
{
FTimer t = new FTimer(3);
t.Restart(4); // Restart and Start are exactly the same.
float startTime = t.StartTime;
t.Extend(2);
Assert.That(t.Duration, Is.EqualTo(6));
Assert.That(t.StartTime, Is.EqualTo(Time.time));
t.Delay(1);
Assert.That(t.Duration, Is.EqualTo(6));
Assert.That(t.StartTime, Is.EqualTo(startTime+1));
// Delay can cause Elapsed to go negative, but Normalized will always be clamped to [0,1].
AssertState(t, -1, 0, true, false, false);
#if FILUTIL_DEBUG
t._SetNow(startTime + 3);
AssertState(t, 2, 2f/6f, true, false, false);
t.Delay(2);
AssertState(t, 0, 0, true, false, false);
// Extend and Delay should work while Paused.
t._SetNow(startTime + 6);
t.Pause();
AssertState(t, 3, 0.5f, true, true, false);
t.Delay(2);
AssertState(t, 1, 1f/6f, true, true, false);
t.Extend(2);
AssertState(t, 1, 1f/8f, true, true, false);
// We can force finish while paused.
t.FinishImmediately();
AssertState(t, 8, 1, true, true, true);
#endif
}
public void TestPause()
{
FTimer t = new FTimer(3);
t.Start(4); // override original duration
float startTime = t.StartTime; // pausing fiddles with the timer's start time, so don't depend on it while faking time.
Assert.That(t.Duration, Is.EqualTo(4f));
Assert.That(t.StartTime, Is.EqualTo(Time.time));
#if FILUTIL_DEBUG
t._SetNow(startTime + 1);
AssertState(t, 1, 0.25f, true, false, false);
t.Pause();
AssertState(t, 1, 0.25f, true, true, false);
t._SetNow(startTime + 1);
AssertState(t, 1, 0.25f, true, true, false);
t._SetNow(startTime + 2);
t.Unpause();
AssertState(t, 1, 0.25f, true, false, false);
t._SetNow(startTime + 3);
AssertState(t, 2, 0.50f, true, false, false);
t.Pause(true);
t._SetNow(startTime + 7);
AssertState(t, 2, 0.50f, true, true, false);
t._SetNow(startTime + 9);
AssertState(t, 2, 0.50f, true, true, false);
t._SetNow(startTime + 10);
t.Pause(false);
AssertState(t, 2, 0.50f, true, false, false);
t._SetNow(startTime + 12);
AssertState(t, 4, 1, true, false, true);
#endif
}
private void AssertState(FTimer t, float e, float n, bool r, bool p, bool d)
{
Assert.That(t.Elapsed, Is.EqualTo(e));
Assert.That(t.Normalized, Is.EqualTo(n));
Assert.That(t.Running, Is.EqualTo(r));
Assert.That(t.Paused, Is.EqualTo(p));
Assert.That(t.Done, Is.EqualTo(d));
}