public void CheckTargetType_When_Not_TargetType_IsInstanceOfType_Target()
{
var s = new Style(typeof(ItemsControl));
var b = new Button();
Assert.ThrowsException <InvalidOperationException>(() => s.CheckTargetType(b));
}
public void CheckTargetType_When_TargetType_Is_Null()
{
var s = new Style();
s.TargetType.Should().BeNull();
var cc = new ContentControl();
Assert.ThrowsException <InvalidOperationException>(() => s.CheckTargetType(cc));
}
