1 // Licensed to the .NET Foundation under one or more agreements. 2 // The .NET Foundation licenses this file to you under the MIT license. 3 // See the LICENSE file in the project root for more information. 4 5 using System.Runtime.InteropServices; 6 using Xunit; 7 8 namespace SampleDynamicTests 9 { 10 public class OptionalParametersTest 11 { 12 public void Foo([Optional] decimal? d) 13 { 14 Assert.Equal((decimal?)null, d); 15 } 16 17 [Fact] OptionalParametersTest_RunTest()18 public static void OptionalParametersTest_RunTest() 19 { 20 dynamic d = new OptionalParametersTest(); 21 d.Foo(); 22 } 23 } 24 } 25