public void GetPropertyOwner_InvokeWithoutParent_ReturnsNull(PropertyDescriptor pd)
{
var descriptor = new SubCustomTypeDescriptor();
Assert.Null(descriptor.GetPropertyOwner(pd));
// Call again.
Assert.Null(descriptor.GetPropertyOwner(pd));
}
public void GetPropertyOwner_InvokeWithParent_ReturnsExpected(PropertyDescriptor pd, object result)
{
var mockParentDescriptor = new Mock <ICustomTypeDescriptor>(MockBehavior.Strict);
mockParentDescriptor
.Setup(d => d.GetPropertyOwner(pd))
.Returns(result)
.Verifiable();
var descriptor = new SubCustomTypeDescriptor(mockParentDescriptor.Object);
Assert.Same(result, descriptor.GetPropertyOwner(pd));
mockParentDescriptor.Verify(d => d.GetPropertyOwner(pd), Times.Once());
// Call again.
Assert.Same(result, descriptor.GetPropertyOwner(pd));
mockParentDescriptor.Verify(d => d.GetPropertyOwner(pd), Times.Exactly(2));
}
