public Task MeasureOverrideWithNan() =>
RunOnUIThread.Execute(() =>
{
var SUT = new MyControl01();
SUT.BaseAvailableSize = new Size(double.NaN, double.NaN);
SUT.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Assert.AreEqual(new Size(double.PositiveInfinity, double.PositiveInfinity), SUT.MeasureOverrides.Last());
Assert.AreEqual(new Size(0, 0), SUT.DesiredSize);
});
public Task When_Measure_Once() =>
RunOnUIThread.Execute(() =>
{
var SUT = new MyControl01();
SUT.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
Assert.AreEqual(new Size(10, 10), SUT.MeasureOverrides[0]);
SUT.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
});
public async Task MeasureOverrideWithNan()
{
await Dispatch(() =>
{
var SUT = new MyControl01();
SUT.BaseAvailableSize = new Size(double.NaN, double.NaN);
SUT.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Assert.AreEqual(new Size(double.PositiveInfinity, double.PositiveInfinity), SUT.MeasureOverrides.Last());
Assert.AreEqual(new Size(0, 0), SUT.DesiredSize);
});
}
public Task MeasureWithNan() =>
RunOnUIThread.Execute(() =>
{
var SUT = new MyControl01();
SUT.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Assert.AreEqual(new Size(double.PositiveInfinity, double.PositiveInfinity), SUT.MeasureOverrides.Last());
Assert.AreEqual(new Size(0, 0), SUT.DesiredSize);
Assert.ThrowsException <InvalidOperationException>(() => SUT.Measure(new Size(double.NaN, double.NaN)));
Assert.ThrowsException <InvalidOperationException>(() => SUT.Measure(new Size(42.0, double.NaN)));
Assert.ThrowsException <InvalidOperationException>(() => SUT.Measure(new Size(double.NaN, 42.0)));
});
public async Task When_Measure_Once()
{
await Dispatch(() =>
{
var SUT = new MyControl01();
SUT.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
Assert.AreEqual(new Size(10, 10), SUT.MeasureOverrides[0]);
SUT.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
});
}
public Task When_Measure_And_Invalidate() =>
RunOnUIThread.ExecuteAsync(() =>
{
var SUT = new MyControl01();
SUT.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
Assert.AreEqual(new Size(10, 10), SUT.MeasureOverrides[0]);
SUT.InvalidateMeasure();
SUT.Measure(new Size(10, 10));
Assert.AreEqual(2, SUT.MeasureOverrides.Count);
Assert.AreEqual(new Size(10, 10), SUT.MeasureOverrides[1]);
});
public Task When_Grid_Measure_And_Invalidate() =>
RunOnUIThread.Execute(() =>
{
var grid = new Grid();
var SUT = new MyControl01();
grid.Children.Add(SUT);
grid.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
Assert.AreEqual(new Size(10, 10), SUT.MeasureOverrides[0]);
grid.InvalidateMeasure();
grid.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
});
public async Task When_Grid_Measure_And_Invalidate()
{
await Dispatch(() =>
{
var grid = new Grid();
var SUT = new MyControl01();
grid.Children.Add(SUT);
grid.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
Assert.AreEqual(new Size(10, 10), SUT.MeasureOverrides[0]);
grid.InvalidateMeasure();
grid.Measure(new Size(10, 10));
Assert.AreEqual(1, SUT.MeasureOverrides.Count);
});
}