public void TransitionInstance_Properly_Calculates_Delay_And_Duration_Values()
{
var clock = new TestClock();
int i = -1;
var inst = new TransitionInstance(clock, TimeSpan.FromMilliseconds(30), TimeSpan.FromMilliseconds(70)).Subscribe(nextValue =>
{
switch (i++)
{
case 0: Assert.Equal(0, nextValue); break;
case 1: Assert.Equal(0, nextValue); break;
case 2: Assert.Equal(0, nextValue); break;
case 3: Assert.Equal(0, nextValue); break;
case 4: Assert.Equal(Math.Round(10d / 70d, 4), Math.Round(nextValue, 4)); break;
case 5: Assert.Equal(Math.Round(20d / 70d, 4), Math.Round(nextValue, 4)); break;
case 6: Assert.Equal(Math.Round(30d / 70d, 4), Math.Round(nextValue, 4)); break;
case 7: Assert.Equal(Math.Round(40d / 70d, 4), Math.Round(nextValue, 4)); break;
case 8: Assert.Equal(Math.Round(50d / 70d, 4), Math.Round(nextValue, 4)); break;
case 9: Assert.Equal(Math.Round(60d / 70d, 4), Math.Round(nextValue, 4)); break;
case 10: Assert.Equal(1d, nextValue); break;
}
});
for (int z = 0; z <= 10; z++)
{
clock.Pulse(TimeSpan.FromMilliseconds(10));
}
}
public void Check_Transitions_Interpolation_Positive_Bounds_Clamp()
{
var clock = new TestClock();
var border = new Border
{
Transitions = new Transitions
{
new DoubleTransition
{
Duration = TimeSpan.FromSeconds(1),
Property = Border.OpacityProperty,
}
}
};
border.Opacity = 0;
clock.Pulse(TimeSpan.FromSeconds(0));
clock.Pulse(TimeSpan.FromMilliseconds(1001));
Assert.Equal(0, border.Opacity);
}
public void Cancellation_Of_Completed_Animation_Does_Not_Fail()
{
var keyframe1 = new KeyFrame()
{
Setters =
{
new Setter(Border.WidthProperty, 200d),
},
Cue = new Cue(1d)
};
var keyframe2 = new KeyFrame()
{
Setters =
{
new Setter(Border.WidthProperty, 100d),
},
Cue = new Cue(0d)
};
var animation = new Animation()
{
Duration = TimeSpan.FromSeconds(10),
Delay = TimeSpan.FromSeconds(0),
DelayBetweenIterations = TimeSpan.FromSeconds(0),
IterationCount = new IterationCount(1),
Children =
{
keyframe2,
keyframe1
}
};
var border = new Border()
{
Height = 100d,
Width = 50d
};
var propertyChangedCount = 0;
border.PropertyChanged += (sender, e) =>
{
if (e.Property == Control.WidthProperty)
{
propertyChangedCount++;
}
};
var clock = new TestClock();
var cancellationTokenSource = new CancellationTokenSource();
var animationRun = animation.RunAsync(border, clock, cancellationTokenSource.Token);
Assert.Equal(0, propertyChangedCount);
clock.Step(TimeSpan.FromSeconds(0));
Assert.False(animationRun.IsCompleted);
Assert.Equal(1, propertyChangedCount);
clock.Step(TimeSpan.FromSeconds(10));
Assert.True(animationRun.IsCompleted);
Assert.Equal(2, propertyChangedCount);
cancellationTokenSource.Cancel();
animationRun.Wait();
}
public void Dispose_Subscription_Should_Stop_Animation()
{
var keyframe1 = new KeyFrame()
{
Setters =
{
new Setter(Border.WidthProperty, 200d),
},
Cue = new Cue(1d)
};
var keyframe2 = new KeyFrame()
{
Setters =
{
new Setter(Border.WidthProperty, 100d),
},
Cue = new Cue(0d)
};
var animation = new Animation()
{
Duration = TimeSpan.FromSeconds(10),
Delay = TimeSpan.FromSeconds(0),
DelayBetweenIterations = TimeSpan.FromSeconds(0),
IterationCount = new IterationCount(1),
Children =
{
keyframe2,
keyframe1
}
};
var border = new Border()
{
Height = 100d,
Width = 50d
};
var propertyChangedCount = 0;
var animationCompletedCount = 0;
border.PropertyChanged += (sender, e) =>
{
if (e.Property == Control.WidthProperty)
{
propertyChangedCount++;
}
};
var clock = new TestClock();
var disposable = animation.Apply(border, clock, Observable.Return(true), () => animationCompletedCount++);
Assert.Equal(0, propertyChangedCount);
clock.Step(TimeSpan.FromSeconds(0));
Assert.Equal(0, animationCompletedCount);
Assert.Equal(1, propertyChangedCount);
disposable.Dispose();
// Clock ticks should be ignored after Dispose
clock.Step(TimeSpan.FromSeconds(5));
clock.Step(TimeSpan.FromSeconds(6));
clock.Step(TimeSpan.FromSeconds(7));
// On animation disposing (cancellation) on completed is not invoked (is it expected?)
Assert.Equal(0, animationCompletedCount);
// Initial property changed before cancellation + animation value removal.
Assert.Equal(2, propertyChangedCount);
}
public void Check_KeySpline_Parsing_Is_Correct()
{
var keyframe1 = new KeyFrame()
{
Setters =
{
new Setter(RotateTransform.AngleProperty, -2.5d),
},
KeyTime = TimeSpan.FromSeconds(0)
};
var keyframe2 = new KeyFrame()
{
Setters =
{
new Setter(RotateTransform.AngleProperty, 2.5d),
},
KeyTime = TimeSpan.FromSeconds(5),
};
var animation = new Avalonia.Animation.Animation()
{
Duration = TimeSpan.FromSeconds(5),
Children =
{
keyframe1,
keyframe2
},
IterationCount = new IterationCount(5),
PlaybackDirection = PlaybackDirection.Alternate,
Easing = Easing.Parse("0.1123555056179775,0.657303370786517,0.8370786516853934,0.499999999999999999")
};
var rotateTransform = new RotateTransform(-2.5);
var rect = new Rectangle()
{
RenderTransform = rotateTransform
};
var clock = new TestClock();
var animationRun = animation.RunAsync(rect, clock);
// position is what you'd expect at end and beginning
clock.Step(TimeSpan.Zero);
Assert.Equal(rotateTransform.Angle, -2.5);
clock.Step(TimeSpan.FromSeconds(5));
Assert.Equal(rotateTransform.Angle, 2.5);
// test some points in between end and beginning
var tolerance = 0.01;
clock.Step(TimeSpan.Parse("00:00:10.0153932"));
var expected = -2.4122350198982545;
Assert.True(Math.Abs(rotateTransform.Angle - expected) <= tolerance);
clock.Step(TimeSpan.Parse("00:00:11.2655407"));
expected = -0.37153223002125113;
Assert.True(Math.Abs(rotateTransform.Angle - expected) <= tolerance);
clock.Step(TimeSpan.Parse("00:00:12.6158773"));
expected = 0.3967885416786294;
Assert.True(Math.Abs(rotateTransform.Angle - expected) <= tolerance);
clock.Step(TimeSpan.Parse("00:00:14.6495256"));
expected = 1.8016358493761722;
Assert.True(Math.Abs(rotateTransform.Angle - expected) <= tolerance);
}
public void Replacing_Transitions_During_Animation_Does_Not_Throw_KeyNotFound()
{
// Issue #4059
using (Start())
{
Border target;
var clock = new TestClock();
var root = new TestRoot
{
Clock = clock,
Styles =
{
new Style(x => x.OfType <Border>())
{
Setters =
{
new Setter(Border.TransitionsProperty,
new Transitions
{
new DoubleTransition
{
Property = Border.OpacityProperty,
Duration = TimeSpan.FromSeconds(1),
},
}),
},
},
new Style(x => x.OfType <Border>().Class("foo"))
{
Setters =
{
new Setter(Border.TransitionsProperty,
new Transitions
{
new DoubleTransition
{
Property = Border.OpacityProperty,
Duration = TimeSpan.FromSeconds(1),
},
}),
new Setter(Border.OpacityProperty, 0.0),
},
},
},
Child = target = new Border
{
Background = Brushes.Red,
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
target.Classes.Add("foo");
clock.Step(TimeSpan.FromSeconds(0));
clock.Step(TimeSpan.FromSeconds(0.5));
Assert.Equal(0.5, target.Opacity);
target.Classes.Remove("foo");
}
}