Loyc.Syntax.LNodeFactory.Braces C# (CSharp) Method

		public LNode Braces(params LNode[] contents)
		{
			return Braces(new VList<LNode>(contents));
		}
		public LNode Braces(VList<LNode> contents, int startIndex = -1, int endIndex = -1)

        public void UnitTest()
        {
            // Testing the injector in isolation (without parser integration) is clunky,
            // so I'm only doing it once.
            //00	{
            //10		// Leading Comment 1
            //20		/* Leading Comment 2 */
            //30		/* Leading Comment 3 */ x = y; // Trailing Comment 1
            //40		/* Trailing Comment 2 */
            //50
            //60		y = z; TheEnd();
            //70	}
            var trivia = new DList <Token> {
                T(TT.Newline, 10, 1, WhitespaceTag.Value),
                T(TT.SLComment, 11, 1, "// Leading Comment 1"),
                T(TT.Newline, 20, 1, WhitespaceTag.Value),
                T(TT.MLComment, 21, 1, "/* Leading Comment 2 */"),
                T(TT.Newline, 30, 1, WhitespaceTag.Value),
                T(TT.MLComment, 31, 1, "/* Leading Comment 3 */"),
                T(TT.SLComment, 39, 1, "// Trailing Comment 1"),
                T(TT.Newline, 40, 1, WhitespaceTag.Value),
                T(TT.MLComment, 41, 1, "/* Trailing Comment 2 */"),
                T(TT.Newline, 50, 1, WhitespaceTag.Value),
                T(TT.Newline, 60, 1, WhitespaceTag.Value),
                T(TT.Newline, 70, 1, WhitespaceTag.Value),
            };
            var root = F.Braces(LNode.List(
                                    F.Call(S.Assign, LNode.List(F.Id("x", 33, 1), F.Id("y", 37, 1)), 33, 37),
                                    F.Call(S.Assign, LNode.List(F.Id("y", 61, 1), F.Id("z", 65, 1)), 61, 65),
                                    F.Call("TheEnd", 66, 67)
                                    ), 0, 71);
            // Expected results
            var expected = Les2LanguageService.Value.Parse(
                @"@[#trivia_SLComment("" Leading Comment 1""),
				  #trivia_MLComment("" Leading Comment 2 ""),
				  #trivia_newline,
				  #trivia_MLComment("" Leading Comment 3 ""),
				  #trivia_trailing(
				    #trivia_SLComment("" Trailing Comment 1""),
				    #trivia_MLComment("" Trailing Comment 2 ""),
				    #trivia_newline)] 
				x = y;
				y = z;
				@[#trivia_appendStatement] TheEnd();"                , preserveComments: false);

            var injector = new StandardTriviaInjector(trivia, F.File, (int)TT.Newline, "/*", "*/", "//");
            {
                var results = injector.Run(root.Args.GetEnumerator()).ToList();
                AreEqual(3, results.Count);
                AreEqual(expected[0].PlusAttrBefore(F.Id(S.TriviaNewline)), results[0]);
                AreEqual(expected[1], results[1]);
                AreEqual(expected[2], results[2]);
            }
            {
                var results = injector.Run(new List <LNode> {
                    root
                }.GetEnumerator()).ToList();
                AreEqual(1, results.Count);
                var result = results[0];
                IsTrue(result.Calls(S.Braces, 3));
                AreEqual(expected[0], result[0]);
                AreEqual(expected[1], result[1]);
                AreEqual(expected[2], result[2]);
            }
        }