public void MaxHeightDominatesHeight()
{
var abs = CreateTestLayout();
var child = CreateTestView();
SubstituteChildren(abs, child);
var childBounds = new Rectangle(0, 0, 100, 100);
SetLayoutBounds(abs, child, childBounds);
abs.Height.Returns(75);
abs.MaximumHeight.Returns(50);
var gridLayoutManager = new AbsoluteLayoutManager(abs);
var measure = gridLayoutManager.Measure(double.PositiveInfinity, double.PositiveInfinity);
// The maximum value beats out the explicit value
Assert.Equal(50, measure.Height);
}
public void MinWidthDominatesMaxWidth()
{
var abs = CreateTestLayout();
var child = CreateTestView();
SubstituteChildren(abs, child);
var childBounds = new Rectangle(0, 0, 100, 100);
SetLayoutBounds(abs, child, childBounds);
abs.MinimumWidth.Returns(75);
abs.MaximumWidth.Returns(50);
var gridLayoutManager = new AbsoluteLayoutManager(abs);
var measure = gridLayoutManager.Measure(double.PositiveInfinity, double.PositiveInfinity);
// The minimum value should beat out the maximum value
Assert.Equal(75, measure.Width);
}
public void ChildMeasureRespectsProportionalBounds()
{
double expectedWidth = 0.5;
double expectedHeight = 0.6;
double widthConstraint = 200;
double heightConstraint = 200;
var abs = CreateTestLayout();
var child = CreateTestView();
SubstituteChildren(abs, child);
var childBounds = new Rectangle(0, 0, expectedWidth, expectedHeight);
SetLayoutBounds(abs, child, childBounds);
SetLayoutFlags(abs, child, AbsoluteLayoutFlags.SizeProportional);
var gridLayoutManager = new AbsoluteLayoutManager(abs);
var measure = gridLayoutManager.Measure(widthConstraint, heightConstraint);
child.Received().Measure(Arg.Is(expectedWidth * widthConstraint), Arg.Is(expectedHeight * heightConstraint));
}
public void RtlShouldHaveFirstItemOnTheRight()
{
var abs = CreateTestLayout();
var child = CreateTestView();
SubstituteChildren(abs, child);
var childBounds = new Rect(10, 0, 100, 100);
SetLayoutBounds(abs, child, childBounds);
abs.FlowDirection.Returns(FlowDirection.RightToLeft);
var manager = new AbsoluteLayoutManager(abs);
var measuredSize = manager.Measure(double.PositiveInfinity, 100);
manager.ArrangeChildren(new Rect(Point.Zero, measuredSize));
// We expect that the view should be arranged on the right
var expectedRectangle = new Rect(0, 0, 100, 100);
abs[0].Received().Arrange(Arg.Is(expectedRectangle));
}
public void AbsolutePositionRelativeSize()
{
var abs = CreateTestLayout();
var child = CreateTestView();
SubstituteChildren(abs, child);
var childBounds = new Rectangle(10, 20, 0.4, 0.5);
SetLayoutBounds(abs, child, childBounds);
SetLayoutFlags(abs, child, AbsoluteLayoutFlags.SizeProportional);
var manager = new AbsoluteLayoutManager(abs);
var measure = manager.Measure(100, 100);
manager.ArrangeChildren(new Rectangle(0, 0, 100, 100));
var expectedMeasure = new Size(10 + 40, 20 + 50);
Assert.Equal(expectedMeasure, measure);
child.Received().Arrange(Arg.Is <Rectangle>(r => r.X == 10 && r.Y == 20 && r.Width == 40 && r.Height == 50));
}
public void RelativePositionAbsoluteSize(double width, double height, double propX, double propY)
{
var abs = CreateTestLayout();
var child = CreateTestView();
SubstituteChildren(abs, child);
var childBounds = new Rectangle(propX, propY, width, height);
SetLayoutBounds(abs, child, childBounds);
SetLayoutFlags(abs, child, AbsoluteLayoutFlags.PositionProportional);
var manager = new AbsoluteLayoutManager(abs);
manager.Measure(100, 100);
manager.ArrangeChildren(new Rectangle(0, 0, 100, 100));
double expectedX = (100 - width) * propX;
double expectedY = (100 - height) * propY;
var expectedRectangle = new Rectangle(expectedX, expectedY, width, height);
child.Received().Arrange(Arg.Is(expectedRectangle));
}
