public void PointTranslationBasicTest()
{
TestVisual parent = new TestVisual();
TestVisual child1 = new TestVisual();
TestVisual child2 = new TestVisual();
parent.AddVisualChild(child1);
child1.AddVisualChild(child2);
parent.Bounds = new Rect(100, 50, 450, 400);
child1.Bounds = new Rect(50, 100, 350, 200);
child2.Bounds = new Rect(100, 50, 150, 100);
Assert.AreEqual(new Point(100, 50), parent.PointToRoot(new Point(0, 0)));
Assert.AreEqual(new Point(150, 150), child1.PointToRoot(new Point(0, 0)));
Assert.AreEqual(new Point(250, 200), child2.PointToRoot(new Point(0, 0)));
Assert.AreEqual(new Point(0, 0), parent.PointFromRoot(new Point(100, 50)));
Assert.AreEqual(new Point(0, 0), child1.PointFromRoot(new Point(150, 150)));
Assert.AreEqual(new Point(0, 0), child2.PointFromRoot(new Point(250, 200)));
Assert.AreEqual(new Point(300, 250), parent.PointToRoot(new Point(200, 200)));
Assert.AreEqual(new Point(300, 250), child1.PointToRoot(new Point(150, 100)));
Assert.AreEqual(new Point(300, 250), child2.PointToRoot(new Point(50, 50)));
Assert.AreEqual(new Point(200, 200), parent.PointFromRoot(new Point(300, 250)));
Assert.AreEqual(new Point(150, 100), child1.PointFromRoot(new Point(300, 250)));
Assert.AreEqual(new Point(50, 50), child2.PointFromRoot(new Point(300, 250)));
}
public void Added_Child_Should_Have_VisualParent_Set()
{
var target = new TestVisual();
var child = new Visual();
target.AddChild(child);
Assert.Equal(target, child.GetVisualParent());
}
public void Added_Child_Should_Have_InheritanceParent_Set()
{
var target = new TestVisual();
var child = new TestVisual();
target.AddChild(child);
Assert.Equal(target, child.InheritanceParent);
}
public void Removed_Child_Should_Have_VisualParent_Cleared()
{
var target = new TestVisual();
var child = new Visual();
target.AddChild(child);
target.RemoveChild(child);
Assert.Null(child.GetVisualParent());
}
public void Removed_Child_Should_Have_InheritanceParent_Cleared()
{
var target = new TestVisual();
var child = new TestVisual();
target.AddChild(child);
target.RemoveChild(child);
Assert.Null(child.InheritanceParent);
}
public void Adding_Already_Parented_Control_Should_Throw()
{
var root1 = new TestRoot();
var root2 = new TestRoot();
var child = new TestVisual();
root1.AddChild(child);
Assert.Throws<InvalidOperationException>(() => root2.AddChild(child));
Assert.Equal(0, root2.GetVisualChildren().Count());
}
public void Clearing_Children_Should_Clear_VisualParent()
{
var children = new[] { new Visual(), new Visual() };
var target = new TestVisual();
target.AddChildren(children);
target.ClearChildren();
var result = children.Select(x => x.GetVisualParent()).ToList();
Assert.Equal(new Visual[] { null, null }, result);
}
public void Added_Child_Should_Notify_VisualParent_Changed()
{
var target = new TestVisual();
var child = new TestVisual();
var parents = new List<IVisual>();
child.GetObservable(Visual.VisualParentProperty).Subscribe(x => parents.Add(x));
target.AddChild(child);
target.RemoveChild(child);
Assert.Equal(new IVisual[] { null, target, null }, parents);
}
public void Adding_Children_Should_Fire_OnAttachedToVisualTree()
{
var child2 = new TestVisual();
var child1 = new TestVisual { Child = child2 };
var root = new TestRoot();
var called1 = false;
var called2 = false;
child1.AttachedToVisualTree += (s, e) => called1 = true;
child2.AttachedToVisualTree += (s, e) => called2 = true;
root.Child = child1;
Assert.True(called1);
Assert.True(called2);
}
public void ParentChanged_Attached_Methods_Should_Be_Called_In_Right_Order()
{
var target = new TestRoot();
var child = new TestVisual();
int changed = 0;
int attched = 0;
int i = 1;
child.VisualParentChangedCalled += (s, e) => changed = i++;
child.AttachedToVisualTreeCalled += (s, e) => attched = i++;
target.AddChild(child);
Assert.Equal(1, changed);
Assert.Equal(2, attched);
}
public void ParentChanged_Detached_Methods_Should_Be_Called_In_Right_Order()
{
var target = new TestRoot();
var child = new TestVisual();
int changed = 0;
int detached = 0;
int i = 1;
target.AddChild(child);
child.VisualParentChangedCalled += (s, e) => changed = i++;
child.DetachedFromVisualTreeCalled += (s, e) => detached = i++;
target.ClearChildren();
Assert.Equal(1, changed);
Assert.Equal(2, detached);
}
public void PointTranslationTransformTest()
{
TestVisual parent = new TestVisual();
TestVisual child1 = new TestVisual();
TestVisual child2 = new TestVisual();
parent.AddVisualChild(child1);
child1.AddVisualChild(child2);
parent.Bounds = new Rect(100, 50, 500, 400);
child1.Bounds = new Rect(50, 100, 400, 200);
child2.Bounds = new Rect(100, 50, 200, 100);
child1.Transform = Matrix.RotationMatrix(Math.PI / 2, 200, 100);
child2.Transform = Matrix.ScalingMatrix(2, 0.5, 100, 50);
Assert.IsTrue(parent.PointToRoot(new Point(0, 0)).IsClose(new Point(100, 50)));
Assert.IsTrue(child1.PointToRoot(new Point(0, 0)).IsClose(new Point(450, 50)));
Assert.IsTrue(child2.PointToRoot(new Point(0, 0)).IsClose(new Point(375, 50)));
Assert.IsTrue(parent.PointFromRoot(new Point(100, 50)).IsClose(new Point(0, 0)));
Assert.IsTrue(child1.PointFromRoot(new Point(450, 50)).IsClose(new Point(0, 0)));
Assert.IsTrue(child2.PointFromRoot(new Point(375, 50)).IsClose(new Point(0, 0)));
}
public void Controls_Should_Add_Themselves_To_Root_NameScope()
{
var child2 = new TestVisual { Name = "bar" };
var child1 = new TestVisual { Name = "foo", Child = child2 };
var root = new TestRoot { Child = child1 };
Assert.Same(child1, root.Find("foo"));
Assert.Same(child2, root.Find("bar"));
}
public void Controls_Should_Add_Themselves_To_NameScopes_In_Attached_Property()
{
var child2 = new TestVisual { Name = "bar", [NameScope.NameScopeProperty] = new NameScope() };
var child1 = new TestVisual { Name = "foo", Child = child2};
var root = new TestRoot { Child = child1 };
Assert.Same(child1, root.Find("foo"));
Assert.Null(root.Find("bar"));
Assert.Same(child2, NameScope.GetNameScope(child2).Find("bar"));
}
public void Controls_Should_Remove_Themselves_From_Root_NameScope()
{
var child2 = new TestVisual { Name = "bar" };
var child1 = new TestVisual { Name = "foo", Child = child2 };
var root = new TestRoot { Child = child1 };
root.Child = null;
Assert.Null(root.Find("foo"));
Assert.Null(root.Find("bar"));
}
public void Controls_Should_Remove_Themselves_From_NameScopes_In_Attached_Property()
{
var child2 = new TestVisual { Name = "bar" };
var child1 = new TestVisual { Name = "foo", Child = child2,[NameScope.NameScopeProperty] = new NameScope() };
var root = new TestRoot { Child = child1 };
root.Child = null;
Assert.Null(root.Find("foo"));
Assert.Null(root.Find("bar"));
Assert.Null(NameScope.GetNameScope(child1).Find("bar"));
}
public VisualAffectsRenderBenchmarks()
{
_target = new TestVisual();
_pen = new Pen(Brushes.Black);
}
public void Removing_Children_Should_Fire_OnDetachedFromVisualTree()
{
var child2 = new TestVisual();
var child1 = new TestVisual { Child = child2 };
var root = new TestRoot();
var called1 = false;
var called2 = false;
root.Child = child1;
child1.DetachedFromVisualTree += (s, e) => called1 = true;
child2.DetachedFromVisualTree += (s, e) => called2 = true;
root.Child = null;
Assert.True(called1);
Assert.True(called2);
}
