public void Kinetic()
{
var view = AnimationReadyHandler.Prepare(new View());
var resultList = new List <Tuple <double, double> >();
view.AnimateKinetic(
name: "Kinetics",
callback: (distance, velocity) =>
{
resultList.Add(new Tuple <double, double>(distance, velocity));
return(true);
},
velocity: 100,
drag: 1);
Assert.That(resultList, Is.Not.Empty);
int checkVelo = 100;
int dragStep = 16;
foreach (var item in resultList)
{
checkVelo -= dragStep;
Assert.AreEqual(checkVelo, item.Item2);
Assert.AreEqual(checkVelo * dragStep, item.Item1);
}
}
//https://bugzilla.xamarin.com/show_bug.cgi?id=51424
public async Task AnimationRepeats()
{
var box = AnimationReadyHandler.Prepare(new BoxView());
Assume.That(box.Rotation, Is.EqualTo(0d));
var sb = new Animation();
var animcount = 0;
var rot45 = new Animation(d =>
{
box.Rotation = d;
if (d > 44)
{
animcount++;
}
}, box.Rotation, box.Rotation + 45);
sb.Add(0, .5, rot45);
Assume.That(box.Rotation, Is.EqualTo(0d));
var i = 0;
sb.Commit(box, "foo", length: 100, repeat: () => ++ i < 2);
await Task.Delay(1000);
Assert.That(animcount, Is.EqualTo(2));
}
public async Task TestRotateXTo()
{
var view = AnimationReadyHandler.Prepare(new View());
await view.RotateXTo(25);
Assert.That(view.RotationX, Is.EqualTo(25).Within(0.001));
}
public async Task ScaleTo()
{
var view = AnimationReadyHandler.Prepare(new View());
await view.ScaleTo(2);
Assert.AreEqual(2, view.Scale);
}
public async Task TestFadeTo()
{
var view = AnimationReadyHandler.Prepare(new View());
await view.FadeTo(0.1);
Assert.True(Math.Abs(0.1 - view.Opacity) < 0.001);
}
public void TestProgressTo()
{
var bar = AnimationReadyHandler.Prepare(new ProgressBar());
bar.ProgressTo(0.8, 250, Easing.Linear);
Assert.That(bar.Progress, Is.EqualTo(0.8).Within(0.001));
}
public async Task TestTranslateTo()
{
var view = AnimationReadyHandler.Prepare(new View());
await view.TranslateTo(100, 50);
Assert.AreEqual(100, view.TranslationX);
Assert.AreEqual(50, view.TranslationY);
}
public async Task TestRelScaleTo()
{
var view = AnimationReadyHandler.Prepare(new View {
Scale = 1
});
await view.RelScaleTo(1);
Assert.That(view.Scale, Is.EqualTo(2).Within(0.001));
}
public async Task TestRelRotateTo()
{
var view = AnimationReadyHandler.Prepare(new View {
Rotation = 30
});
await view.RelRotateTo(20);
Assert.That(view.Rotation, Is.EqualTo(50).Within(0.001));
}
public void KineticFinished()
{
var view = AnimationReadyHandler.Prepare(new View());
bool finished = false;
view.AnimateKinetic(
name: "Kinetics",
callback: (distance, velocity) => true,
velocity: 100,
drag: 1,
finished: () => finished = true);
Assert.True(finished);
}