public void ViewsArrangedWithDesiredHeights()
{
var stack = CreateTestLayout();
var manager = new HorizontalStackLayoutManager(stack);
var view1 = CreateTestView(new Size(100, 200));
var view2 = CreateTestView(new Size(100, 150));
var children = new List <IView>()
{
view1, view2
}.AsReadOnly();
stack.Children.Returns(children);
var measurement = manager.Measure(double.PositiveInfinity, double.PositiveInfinity);
manager.Arrange(new Rectangle(Point.Zero, measurement));
// The tallest IView is 200, so the stack should be that tall
Assert.Equal(200, measurement.Height);
// We expect the first IView to be at 0,0 with a width of 100 and a height of 200
var expectedRectangle1 = new Rectangle(0, 0, 100, 200);
view1.Received().Arrange(Arg.Is(expectedRectangle1));
// We expect the second IView to be at 100, 0 with a width of 100 and a height of 150
var expectedRectangle2 = new Rectangle(100, 0, 100, 150);
view2.Received().Arrange(Arg.Is(expectedRectangle2));
}
public void SpacingArrangementOneItem(int spacing)
{
var stack = BuildStack(1, 100, 100);
stack.Spacing.Returns(spacing);
var manager = new HorizontalStackLayoutManager(stack);
var measuredSize = manager.Measure(double.PositiveInfinity, 100);
manager.Arrange(new Rectangle(Point.Zero, measuredSize));
var expectedRectangle = new Rectangle(0, 0, 100, 100);
stack.Children[0].Received().Arrange(Arg.Is(expectedRectangle));
}
public void RtlShouldHaveFirstItemOnTheRight()
{
var stack = BuildStack(viewCount: 2, viewWidth: 100, viewHeight: 100);
stack.FlowDirection.Returns(FlowDirection.RightToLeft);
var manager = new HorizontalStackLayoutManager(stack);
var measuredSize = manager.Measure(double.PositiveInfinity, 100);
manager.Arrange(new Rectangle(Point.Zero, measuredSize));
// We expect that the starting view (0) should be arranged on the right,
// and the next rectangle (1) should be on the left
var expectedRectangle0 = new Rectangle(100, 0, 100, 100);
var expectedRectangle1 = new Rectangle(0, 0, 100, 100);
stack.Children[0].Received().Arrange(Arg.Is(expectedRectangle0));
stack.Children[1].Received().Arrange(Arg.Is(expectedRectangle1));
}