System.Tests.StringTests.Join_ObjectArray_Null_ThrowsArgumentNullException C# (CSharp) Method

        public static void Join_ObjectArray_Null_ThrowsArgumentNullException()
        {
            Assert.Throws<ArgumentNullException>("values", () => string.Join("$$", (object[])null));
            Assert.Throws<ArgumentNullException>("values", () => string.Join("--", (IEnumerable<object>)null));
        }