Avalonia.Base.UnitTests.Styling.StyleTests.Nested_Style_Without_Nesting_Operator_Throws C# (CSharp) Method

        public void Nested_Style_Without_Nesting_Operator_Throws()
        {
            var parent = new Style(x => x.OfType<Class1>());
            var nested = new Style(x => x.Class("foo"));

            Assert.Throws<InvalidOperationException>(() => parent.Children.Add(nested));
        }