public void Arrange_With_IsMeasureValid_False_Calls_Measure_With_Previous_Size_If_Available()
{
var target = new TestControl();
Assert.False(target.IsMeasureValid);
target.Arrange(new Rect(0, 0, 120, 120));
target.InvalidateMeasure();
target.Arrange(new Rect(0, 0, 100, 100));
Assert.True(target.IsMeasureValid);
Assert.Equal(new Size(120, 120), target.MeasureConstraint);
}
public void Arrange_With_IsMeasureValid_False_Calls_Measure_With_Previous_Size_If_Available()
{
var target = new TestControl();
Assert.False(target.IsMeasureValid);
target.Arrange(new Rect(0, 0, 120, 120));
target.InvalidateMeasure();
target.Arrange(new Rect(0, 0, 100, 100));
Assert.True(target.IsMeasureValid);
Assert.Equal(new Size(120, 120), target.MeasureConstraint);
}
public void Margin_Should_Be_Subtracted_From_Arrange_FinalSize()
{
var target = new TestControl
{
Width = 100,
Height = 100,
Margin = new Thickness(8),
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(100, 100), target.ArrangeFinalSize);
}
public void Margin_Should_Be_Subtracted_From_Arrange_FinalSize()
{
var target = new TestControl
{
Width = 100,
Height = 100,
Margin = new Thickness(8),
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(100, 100), target.ArrangeFinalSize);
}
public void ArrangeOverride_Receives_Requested_Size_When_Arranged_To_DesiredSize()
{
var target = new TestControl
{
MeasureResult = new Size(100, 100),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(8),
};
target.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(100, 100), target.ArrangeFinalSize);
}
public void ArrangeOverride_Receives_Available_Size_Minus_Margin_When_Stretched()
{
var target = new TestControl
{
MeasureResult = new Size(100, 100),
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
Margin = new Thickness(8),
};
target.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
target.Arrange(new Rect(0, 0, 200, 200));
Assert.Equal(new Size(184, 184), target.ArrangeFinalSize);
}
public void ArrangeOverride_Receives_Requested_Size_When_Arranged_To_DesiredSize()
{
var target = new TestControl
{
MeasureResult = new Size(100, 100),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(8),
};
target.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(100, 100), target.ArrangeFinalSize);
}
public void ArrangeOverride_Receives_Available_Size_Minus_Margin_When_Stretched()
{
var target = new TestControl
{
MeasureResult = new Size(100, 100),
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
Margin = new Thickness(8),
};
target.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
target.Arrange(new Rect(0, 0, 200, 200));
Assert.Equal(new Size(184, 184), target.ArrangeFinalSize);
}