public void KeySequenceInProgress_is_true_when_KeyDown_occurs()
{
var recognizer = new PlatformKeyListenerStub(new object());
recognizer.OnKeyDown(Key.A);
recognizer.KeySequenceInProgress.Should().BeTrue("since key sequence in progress");
}
public void KeySequenceInProgress_is_false_when_KeyDown_and_KeyUp_occurs()
{
var recognizer = new PlatformKeyListenerStub(new object());
recognizer.OnKeyDown(Key.A);
recognizer.OnKeyUp(Key.A);
recognizer.KeySequenceInProgress.Should().BeFalse("since key sequence has ended");
}
public void KeyDown_emits_when_method_invoked()
{
var recognizer = new PlatformKeyListenerStub(new object());
var keyDown = false;
recognizer.KeyDown.Take(1).Subscribe(_ => keyDown = true);
recognizer.OnKeyDown(Key.A);
keyDown.Should().BeTrue("because a key-down occurred");
}
public void Pressed_emits_when_a_key_is_pressed()
{
var recognizer = new PlatformKeyListenerStub(new object());
var newKey = default(Key?);
recognizer.Pressed.Take(1).Subscribe(keys => newKey = keys.First());
recognizer.OnKeyDown(Key.A);
newKey.Should().Be(Key.A, $"because {Key.A} was pressed");
}
public void Pressed_emits_when_multiple_keys_are_pressed()
{
var recognizer = new PlatformKeyListenerStub(new object());
var newKeys = default(Key[]);
recognizer.Pressed.Skip(2).Take(1).Subscribe(keys => newKeys = keys);
recognizer.OnKeyDown(Key.A);
recognizer.OnKeyDown(Key.B);
recognizer.OnKeyDown(Key.C);
newKeys[0].Should().Be(Key.A, $"because {Key.A} was pressed");
newKeys[1].Should().Be(Key.B, $"because {Key.B} was pressed");
newKeys[2].Should().Be(Key.C, $"because {Key.C} was pressed");
}
public void OnKeyUp_throws_if_key_sequence_not_in_progress()
{
var recognizer = new PlatformKeyListenerStub(new object());
Assert.Throws <InvalidOperationException>(() => recognizer.OnKeyUp(Key.A));
}
