public async Task When_PauseResume()
{
var ct = CancellationToken.None; // Not supported yet by test engine
object v1, v2, v3;
var target = new AnimTarget();
var sut = new ObjectAnimationUsingKeyFrames
{
BeginTime = TimeSpan.Zero,
RepeatBehavior = new RepeatBehavior(),
FillBehavior = FillBehavior.HoldEnd,
KeyFrames =
{
new ObjectKeyFrame {
KeyTime = TimeSpan.Zero, Value = v1 = new object()
},
new ObjectKeyFrame {
KeyTime = TimeSpan.FromMilliseconds(1), Value = v2 = new object()
},
new ObjectKeyFrame {
KeyTime = TimeSpan.FromMilliseconds(10), Value = v3 = new object()
},
}
};
Storyboard.SetTarget(sut, target);
Storyboard.SetTargetProperty(sut, nameof(target.Value));
((ITimeline)sut).Begin();
await target.GetValue(ct, 2);
await Task.Yield();
((ITimeline)sut).Pause();
await Task.Delay(100, ct);
target.History.Should().BeEquivalentTo(v1, v2);
sut.State.Should().Be(Timeline.TimelineState.Paused);
((ITimeline)sut).Resume();
await target.GetValue(ct, 3);
await Task.Yield();
target.History.Should().BeEquivalentTo(v1, v2, v3);
sut.State.Should().Be(Timeline.TimelineState.Filling);
}
public async Task When_RepeatForever()
{
var ct = CancellationToken.None; // Not supported yet by test engine
object v1, v2, v3;
var target = new AnimTarget();
var sut = new ObjectAnimationUsingKeyFrames
{
BeginTime = TimeSpan.Zero,
RepeatBehavior = RepeatBehavior.Forever,
FillBehavior = FillBehavior.HoldEnd,
KeyFrames =
{
new ObjectKeyFrame {
KeyTime = TimeSpan.Zero, Value = v1 = new object()
},
new ObjectKeyFrame {
KeyTime = TimeSpan.FromMilliseconds(1), Value = v2 = new object()
},
new ObjectKeyFrame {
KeyTime = TimeSpan.FromMilliseconds(2), Value = v3 = new object()
},
}
};
Storyboard.SetTarget(sut, target);
Storyboard.SetTargetProperty(sut, nameof(target.Value));
((ITimeline)sut).Begin();
await target.GetValue(ct, 9);
await Task.Yield();
try
{
target.History.Count.Should().BeGreaterThan(9);
target.History.Take(9).Should().BeEquivalentTo(v1, v2, v3, v1, v2, v3, v1, v2, v3);
sut.State.Should().Be(Timeline.TimelineState.Active);
}
finally
{
((ITimeline)sut).Stop();
}
}
public async Task When_RepeatDuration()
{
var ct = CancellationToken.None; // Not supported yet by test engine
object v1, v2, v3;
var target = new AnimTarget();
var sut = new ObjectAnimationUsingKeyFrames
{
BeginTime = TimeSpan.Zero,
RepeatBehavior = new RepeatBehavior(TimeSpan.FromMilliseconds(100 * 3)),
FillBehavior = FillBehavior.HoldEnd,
KeyFrames =
{
new ObjectKeyFrame {
KeyTime = TimeSpan.Zero, Value = v1 = new object()
},
new ObjectKeyFrame {
KeyTime = TimeSpan.FromMilliseconds(50), Value = v2 = new object()
},
new ObjectKeyFrame {
KeyTime = TimeSpan.FromMilliseconds(100), Value = v3 = new object()
},
}
};
Storyboard.SetTarget(sut, target);
Storyboard.SetTargetProperty(sut, nameof(target.Value));
((ITimeline)sut).Begin();
await target.GetValue(ct, 9);
await Task.Delay(100, ct); // Give opportunity to (wrongly) repeat again some frames
target.History.Take(9) /* Helps laggish CI! */.Should().BeEquivalentTo(v1, v2, v3, v1, v2, v3, v1, v2, v3);
sut.State.Should().Be(Timeline.TimelineState.Filling);
}