private void PerformSingleDrag(MouseDragElementBehavior behavior, Point from, Point to)
{
using (TestDragToken token = new TestDragToken(behavior, from))
{
token.PerformDrag(to);
}
}
public void IsConstrainedTrue_DragDownSide_MovesAlongUnboundedAxis()
{
Rectangle rect = CreateRectangleInGrid();
MouseDragElementBehavior behavior = CreateAndAttachMouseDragElementBehavior(rect);
behavior.ConstrainToParentBounds = true;
using (TestDragToken token = new TestDragToken(behavior, new Point(5, 5)))
{
token.PerformDrag(new Point(-5, 25));
this.VerifyOffset(rect.RenderTransform, 0, 20);
token.PerformDrag(new Point(-5, 120));
this.VerifyOffset(rect.RenderTransform, 0, 90);
}
}
public void IsConstrainedTrue_DragOutAndBackIn_DoesNotMoveUntilBackAtStartPoint()
{
Rectangle rect = CreateRectangleInGrid();
MouseDragElementBehavior behavior = CreateAndAttachMouseDragElementBehavior(rect);
behavior.ConstrainToParentBounds = true;
using (TestDragToken token = new TestDragToken(behavior, new Point(5, 5)))
{
token.PerformDrag(new Point(-50, 5));
this.VerifyOffset(rect.RenderTransform, 0, 0);
token.PerformDrag(new Point(-25, 5));
this.VerifyOffset(rect.RenderTransform, 0, 0);
token.PerformDrag(new Point(-1, 5));
this.VerifyOffset(rect.RenderTransform, 0, 0);
token.PerformDrag(new Point(4, 5));
this.VerifyOffset(rect.RenderTransform, 0, 0);
token.PerformDrag(new Point(6, 5));
this.VerifyOffset(rect.RenderTransform, 1, 0);
}
}