System.CodeDom.Tests.CodeGenerationTests.GenerateCode C# (CSharp) Method

        private static string GenerateCode(CodeObject c, CodeDomProvider provider)
        {
            var sb = new StringBuilder();
            var writer = new StringWriter(sb);
            var options = new CodeGeneratorOptions();

            if (c is CodeStatement)
            {
                provider.GenerateCodeFromStatement((CodeStatement)c, writer, options);
            }
            else if (c is CodeCompileUnit)
            {
                provider.GenerateCodeFromCompileUnit((CodeCompileUnit)c, writer, options);
            }
            else if (c is CodeExpression)
            {
                provider.GenerateCodeFromExpression((CodeExpression)c, writer, options);
            }
            else if (c is CodeTypeMember)
            {
                provider.GenerateCodeFromMember((CodeTypeMember)c, writer, options);
            }
            else if (c is CodeTypeDeclaration)
            {
                provider.GenerateCodeFromType((CodeTypeDeclaration)c, writer, options);
            }
            else if (c is CodeNamespace)
            {
                provider.GenerateCodeFromNamespace((CodeNamespace)c, writer, options);
            }
            else
            {
                throw new ArgumentException($"Tests not set up for unexpected type: {c.GetType()}");
            }

            return sb.ToString();
        }