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 Initial_Children_Should_Have_VisualParent_Set()
{
var target = new TestVisual
{
InitialChildren = new[] { new Visual(), new Visual() }
};
var result = target.GetVisualChildren().Select(x => x.GetVisualParent()).ToList();
CollectionAssert.AreEqual(new[] { target, target }, result);
}
public void Initial_Children_Should_Be_Created()
{
var target = new TestVisual
{
InitialChildren = new[] { new Visual(), new Visual() }
};
var result = target.GetVisualChildren().ToList();
CollectionAssert.AreEqual(target.InitialChildren.ToList(), result);
}
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 Clearing_Children_Should_Clear_VisualParent()
{
var target = new TestVisual
{
InitialChildren = new[] { new Visual(), new Visual() }
};
target.ClearChildren();
var result = target.InitialChildren.Select(x => x.GetVisualParent()).ToList();
CollectionAssert.AreEqual(new Visual[] { null, null }, result);
}
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 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.AreEqual(1, changed);
Assert.AreEqual(2, attched);
}
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 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.AreEqual(1, changed);
Assert.AreEqual(2, detached);
}
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);
}
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 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"));
}
