private void PerformTopToBottomStackTest()
{
var stackingContainer = TestScreen.GetGraphicalUiElementByName("TopToBottomStackTest");
var firstChild = stackingContainer.Children[0] as GraphicalUiElement;
var secondChild = stackingContainer.Children[1] as GraphicalUiElement;
// first make sure the children are stacked correctly:
var firstAbsolute = firstChild.AbsoluteY;
var secondAbsolute = secondChild.AbsoluteY;
secondAbsolute.ShouldBe(firstAbsolute + firstChild.GetAbsoluteHeight());
// now shift the first child down
firstChild.Y += 64;
firstAbsolute = firstChild.AbsoluteY;
secondAbsolute = secondChild.AbsoluteY;
secondAbsolute.ShouldBe(firstAbsolute + firstChild.GetAbsoluteHeight());
var lastChildBeforeDynamicallyAdded = stackingContainer.Children.Last() as GraphicalUiElement;
// Add objects dynamically and see if they stack properly too
var newNineSlice = new NineSliceRuntime();
newNineSlice.Parent = stackingContainer;
newNineSlice.AbsoluteY.ShouldBeGreaterThan(lastChildBeforeDynamicallyAdded.AbsoluteY, "because newly-added children of a stack panel should be positioned at the end of the stack");
float lastAbsoluteYBeforeMove = newNineSlice.AbsoluteY;
firstChild.Y += 64;
newNineSlice.AbsoluteY.ShouldBeGreaterThan(lastAbsoluteYBeforeMove, "because moving the first child in a stack should also move dynamically-added children of the stack");
}
private void PerformDependsOnChildrenTest()
{
// This control has children which have widths that depend on the parent, so they have dependent units on the X axis, not Y axis. The stack panel should still
// auto-size itself based on the heights of the children.
var stackPanel = TestScreen.GetGraphicalUiElementByName("StackWithChildrenWidthDependsOnParent");
stackPanel.GetAbsoluteHeight().ShouldNotBe(0, "because the height of the container should be set even though the the width of the contained nine slice depends on its parent.");
}
private void PerformDynamicParentAssignmentTest()
{
var circle = new GumRuntimes.CircleRuntime();
circle.Parent = TestScreen.GetGraphicalUiElementByName("ContainerInstance") as GraphicalUiElement;
}