public void TestContent()
{
ResetState();
// default value
Assert.Null(Content);
// test parent setting
var content = new ContentControlTest();
Content = content;
Assert.Equal(this, content.Parent);
Assert.Equal(content, Content);
// unset content
Content = null;
Assert.Null(content.Parent);
Assert.Null(Content);
// reset the content
var contentControl = new ContentControlTest {
Content = content
};
contentControl.Content = content;
// content reused
Assert.Throws <InvalidOperationException>(() => Content = content);
}
public void TestCollapseOverride()
{
ResetState();
// create a content
var child = new ContentControlTest();
Content = child;
// set the size of the content
child.Width = 100 * rand.NextFloat();
child.Height = 100 * rand.NextFloat();
child.Depth = 150 * rand.NextFloat();
// arrange and check child render size
Arrange(1000 * rand.NextVector3(), true);
Assert.Equal(Vector3.Zero, child.RenderSize);
}
public void TestUpdateWorldMatrix()
{
ResetState();
DepthAlignment = DepthAlignment.Stretch;
// set the panel size to 1
Arrange(Vector3.One, false);
// test that the world matrix of the panel is correctly updated.
var localMatrix = Matrix.Scaling(0.1f, 0.5f, 1f);
var worldMatrix = Matrix.Scaling(1f, 0.8f, 0.4f);
LocalMatrix = localMatrix;
UpdateWorldMatrix(ref worldMatrix, true);
Assert.Equal(new Matrix(0.1f, 0, 0, 0, 0, 0.4f, 0, 0, 0, 0, 0.4f, 0, 0.5f, 0.4f, 0.2f, 1), WorldMatrix);
// add a child and set its local matrix
var child = new ContentControlTest {
DepthAlignment = DepthAlignment.Stretch
};
var childArrangementMatrix = Matrix.Translation(10, 20, 30);
var childLocalMatrix = new Matrix(0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
child.LocalMatrix = childLocalMatrix;
Content = child;
// set the child's panel arrangement matrix
VisualContent.DependencyProperties.Set(ContentArrangeMatrixPropertyKey, childArrangementMatrix);
// arrange the child (set its size to 1)
child.Arrange(Vector3.One, false);
// check that the value of the world matrix of the child is correctly updated too
UpdateWorldMatrix(ref worldMatrix, true);
Assert.Equal(new Matrix(0, -0.4f, 0, 0, 0.1f, 0, 0, 0, 0, 0, 0.4f, 0, 1.55f, 8.6f, 12.4f, 1), child.WorldMatrix);
}