System.CodeDom.Tests.IndentedTextWriterTests.Indent_RoundtripsAndAffectsOutput C# (CSharp) Method

        public static void Indent_RoundtripsAndAffectsOutput(int indent)
        {
            const string TabString = "\t\t";

            var sb = new StringBuilder();
            var sw = new StringWriter(sb);
            var itw = new IndentedTextWriter(sw, TabString);

            itw.Indent = indent;
            Assert.Equal(indent >= 0 ? indent : 0, itw.Indent);

            itw.WriteLine("first");
            itw.WriteLine("second");
            itw.WriteLine("third");

            string expectedTab = string.Concat(Enumerable.Repeat(TabString, itw.Indent));
            Assert.Equal(
                "first" + Environment.NewLine +
                expectedTab + "second" + Environment.NewLine +
                expectedTab + "third" + Environment.NewLine,
                sb.ToString());
        }