IronRuby.Tests.Tests.Encoding_HostHelper C# (CSharp) Method

        private void Encoding_HostHelper(Encoding/*!*/ encoding, string/*!*/ specialChars, bool shouldSucceed) {
            var preamble = "# coding = " + encoding.WebName + "\r\n";
            var src = "$X = '" + specialChars + "'";

            var content = new List<byte>();
            content.AddRange(BinaryEncoding.Instance.GetBytes(preamble));
            content.AddRange(encoding.GetBytes(src));

            var source = Engine.CreateScriptSource(new BinaryContentProvider(content.ToArray()), null);
            
            // test encoding:
            try {
                var detectedEncoding = source.DetectEncoding();
                Assert(encoding.WebName == detectedEncoding.WebName);
            } catch (IOException) {
                Assert(!shouldSucceed);
            }

            // test content:
            try {
                var code = source.GetCode();
                Assert(StringComparer.Ordinal.Equals(code, preamble + src));
            } catch (IOException) {
                Assert(!shouldSucceed);
            }
        }