public void TestSurroudingAnchor()
{
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(100, 200, 300);
var grid = new Grid { VerticalAlignment = VerticalAlignment.Center, HorizontalAlignment = HorizontalAlignment.Center };
grid.ColumnDefinitions.Add(new StripDefinition(StripType.Fixed, 100));
grid.ColumnDefinitions.Add(new StripDefinition(StripType.Fixed, 200));
grid.RowDefinitions.Add(new StripDefinition(StripType.Auto));
grid.RowDefinitions.Add(new StripDefinition(StripType.Auto));
grid.LayerDefinitions.Add(new StripDefinition(StripType.Star));
grid.LayerDefinitions.Add(new StripDefinition(StripType.Star));
var child1 = new UniformGrid { Size = childSize1 };
var child2 = new UniformGrid { Size = childSize2 };
child2.DependencyProperties.Set(GridBase.RowPropertyKey, 1);
grid.Children.Add(child1);
grid.Children.Add(child2);
grid.Measure(1000 * Vector3.One);
grid.Arrange(1000 * Vector3.One, false);
Assert.AreEqual(new Vector2( 0, 100), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, -1));
Assert.AreEqual(new Vector2( 0, 100), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, 0));
Assert.AreEqual(new Vector2( -50, 50), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, 50));
Assert.AreEqual(new Vector2( -80, 20), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, 80));
Assert.AreEqual(new Vector2( 0, 200), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, 100));
Assert.AreEqual(new Vector2( -10, 190), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, 110));
Assert.AreEqual(new Vector2(-200, 0), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, 300));
Assert.AreEqual(new Vector2(-200, 0), grid.GetSurroudingAnchorDistances(Orientation.Horizontal, 500));
Assert.AreEqual(new Vector2( 0, 150), grid.GetSurroudingAnchorDistances(Orientation.Vertical, -1));
Assert.AreEqual(new Vector2( 0, 150), grid.GetSurroudingAnchorDistances(Orientation.Vertical, 0));
Assert.AreEqual(new Vector2( -50, 100), grid.GetSurroudingAnchorDistances(Orientation.Vertical, 50));
Assert.AreEqual(new Vector2( -80, 70), grid.GetSurroudingAnchorDistances(Orientation.Vertical, 80));
Assert.AreEqual(new Vector2( 0, 200), grid.GetSurroudingAnchorDistances(Orientation.Vertical, 150));
Assert.AreEqual(new Vector2( -10, 190), grid.GetSurroudingAnchorDistances(Orientation.Vertical, 160));
Assert.AreEqual(new Vector2(-200, 0), grid.GetSurroudingAnchorDistances(Orientation.Vertical, 350));
Assert.AreEqual(new Vector2(-200, 0), grid.GetSurroudingAnchorDistances(Orientation.Vertical, 500));
Assert.AreEqual(new Vector2( 0, 300), grid.GetSurroudingAnchorDistances(Orientation.InDepth, -1));
Assert.AreEqual(new Vector2( 0, 300), grid.GetSurroudingAnchorDistances(Orientation.InDepth, 0));
Assert.AreEqual(new Vector2( -50, 250), grid.GetSurroudingAnchorDistances(Orientation.InDepth, 50));
Assert.AreEqual(new Vector2( -80, 220), grid.GetSurroudingAnchorDistances(Orientation.InDepth, 80));
Assert.AreEqual(new Vector2( 0, 300), grid.GetSurroudingAnchorDistances(Orientation.InDepth, 300));
Assert.AreEqual(new Vector2( -10, 290), grid.GetSurroudingAnchorDistances(Orientation.InDepth, 310));
Assert.AreEqual(new Vector2(-300, 0), grid.GetSurroudingAnchorDistances(Orientation.InDepth, 600));
Assert.AreEqual(new Vector2(-300, 0), grid.GetSurroudingAnchorDistances(Orientation.InDepth, 900));
}