public void WhenCountdownIsTicked_AndNoRemainingTime_IfNullCallback_NoError()
{
MyCountdown systemUnderTest = new MyCountdown(Substitute.For <IBackendManager>(), 0, Substitute.For <ICountdownCallback>());
systemUnderTest.RemainingTimeMs = 0;
systemUnderTest.Tick(0);
}
public void CountdownTicks_AsExpected(long i_remainingTimeMs, long i_tickTimeMs, long i_expectedRemainingTimeMs)
{
MyCountdown systemUnderTest = new MyCountdown(Substitute.For <IBackendManager>(), 0, Substitute.For <ICountdownCallback>());
systemUnderTest.RemainingTimeMs = i_remainingTimeMs;
systemUnderTest.Tick(i_tickTimeMs);
Assert.AreEqual(i_expectedRemainingTimeMs, systemUnderTest.RemainingTimeMs);
}
public void WhenCountdownIsTicked_AndRemainingTime_CallbackIsNotSent()
{
ICountdownCallback mockCallback = Substitute.For <ICountdownCallback>();
MyCountdown systemUnderTest = new MyCountdown(Substitute.For <IBackendManager>(), 0, mockCallback);
systemUnderTest.RemainingTimeMs = 100;
systemUnderTest.Tick(0);
mockCallback.DidNotReceive().SendCallback();
Assert.AreEqual(mockCallback, systemUnderTest.Callback);
}
public void WhenCountdownIsTicked_AndNoRemainingTime_CallbackIsSent_AndNulled()
{
ICountdownCallback mockCallback = Substitute.For <ICountdownCallback>();
MyCountdown systemUnderTest = new MyCountdown(Substitute.For <IBackendManager>(), 0, mockCallback);
systemUnderTest.RemainingTimeMs = 0;
systemUnderTest.Tick(0);
mockCallback.Received().SendCallback();
Assert.IsNull(systemUnderTest.Callback);
}