public void Tests()
{
ManualTimer manualTimer = new ManualTimer();
int fireCount = 0;
// Can't start without an action.
Assert.Throws <InvalidOperationException>(() => manualTimer.Start());
// Can't fire without an action.
Assert.Throws <InvalidOperationException>(() => manualTimer.Fire());
// Can't set an empty action.
Assert.Throws <ArgumentNullException>(() => manualTimer.SetAction(null));
manualTimer.SetAction(() => fireCount++);
// Can't set action twice.
Assert.Throws <InvalidOperationException>(() => manualTimer.SetAction(() => fireCount++));
// Can't fire before starting.
Assert.Throws <InvalidOperationException>(() => manualTimer.Fire());
manualTimer.Start();
Assert.AreEqual(0, fireCount);
manualTimer.Fire();
Assert.AreEqual(1, fireCount);
// Can't fire again before re-starting.
Assert.Throws <InvalidOperationException>(() => manualTimer.Fire());
manualTimer.Start();
Assert.AreEqual(1, fireCount);
manualTimer.Fire();
Assert.AreEqual(2, fireCount);
}
public void PlayTest()
{
ManualTimer manualTimer = new ManualTimer();
using (GameViewModel gameViewModel = CreateGameViewModel(manualTimer))
{
Assert.IsTrue(gameViewModel.StartCommand.CanExecute(null));
Assert.IsFalse(gameViewModel.HitCommand.CanExecute(null));
Assert.IsTrue(gameViewModel.OverlayIsVisible);
// Should not be able to Hit if a game is not in progress.
Assert.Throws <InvalidOperationException>(() => gameViewModel.HitCommand.Execute(0));
// Start a game.
gameViewModel.StartCommand.Execute(null);
// Can't start or hit during countdown.
Assert.IsFalse(gameViewModel.StartCommand.CanExecute(null));
Assert.IsFalse(gameViewModel.HitCommand.CanExecute(null));
Assert.IsTrue(gameViewModel.OverlayIsVisible);
// Should not be able to Start if a game is already in progress.
Assert.Throws <InvalidOperationException>(() => gameViewModel.StartCommand.Execute(null));
// Do countdown.
for (int i = 0; i < Constants.CountdownSteps - 1; i++)
{
manualTimer.Fire();
Assert.IsFalse(gameViewModel.HitCommand.CanExecute(null));
}
manualTimer.Fire();
Assert.IsTrue(gameViewModel.HitCommand.CanExecute(0));
Assert.IsFalse(gameViewModel.OverlayIsVisible);
int score = 0;
for (int i = 0; i < Constants.TargetCount; i++)
{
gameViewModel.HitCommand.Execute(i);
Assert.AreNotEqual(score, gameViewModel.Score);
score = gameViewModel.Score;
}
Assert.Throws <ArgumentOutOfRangeException>(() => gameViewModel.HitCommand.Execute(Constants.TargetCount));
double timeLeft = gameViewModel.TimeLeft;
for (int i = 0; i < Constants.PlaySeconds; i++)
{
Thread.Sleep(1000);
manualTimer.Fire();
Assert.AreNotEqual(timeLeft, gameViewModel.TimeLeft);
timeLeft = gameViewModel.TimeLeft;
}
Assert.AreEqual(0, timeLeft);
Assert.IsTrue(gameViewModel.StartCommand.CanExecute(null));
Assert.IsFalse(gameViewModel.HitCommand.CanExecute(null));
Assert.IsTrue(gameViewModel.OverlayIsVisible);
}
}