public void DetachTest()
{
var testAttachedObject = new TestAttachedObject();
testAttachedObject.Attach(testDependencyObject);
testAttachedObject.Detach();
Assert.IsNull(testAttachedObject.AssociatedObject);
}
public void AttachTest()
{
var testAttachedObject = new TestAttachedObject();
testAttachedObject.Attach(testDependencyObject);
Assert.AreEqual(testAttachedObject.AssociatedObject, testDependencyObject);
testAttachedObject.Attach(testDependencyObject); // for code coverage
Assert.ThrowsException <InvalidOperationException>(() => testAttachedObject.Attach(null));
testAttachedObject.Clone(); // for code coverage
}