}

    def "generates args file using system encoding"() {
        def argsFile = tmpDir.file("options.txt")
        def generator = ArgWriter.argsFileGenerator(argsFile, ArgWriter.unixStyleFactory())

        expect:
        generator.transform(["a", "\u0302", "a b c"]) == ["@${argsFile.absolutePath}"]
        argsFile.text == toPlatformLineSeparators('a\n\u0302\n"a b c"\n')
    }

        List<String> commandLineOnlyArgs = getCommandLineOnlyArgs(originalArgs);
        List<String> finalArgs = new ArrayList<>();
        finalArgs.addAll(ArgWriter.argsFileGenerator(new File(tempDir, "options.txt"), ArgWriter.unixStyleFactory()).transform(originalArgs));
        finalArgs.addAll(commandLineOnlyArgs);
        return finalArgs;
    }

    private List<String> getCommandLineOnlyArgs(List<String> allArgs) {

        // use platform character and line encoding
        return ArgWriter.argsFileGenerator(new File(tempDir, "java-compiler-args.txt"), ArgWriter.unixStyleFactory()).transform(args);
    }

     */
    public static ArgWriter unixStyle(PrintWriter writer) {
        return new ArgWriter(writer, true, WHITESPACE);
    }

    public static InternalTransformer<ArgWriter, PrintWriter> unixStyleFactory() {
        return new InternalTransformer<ArgWriter, PrintWriter>() {
            @Override
            public ArgWriter transform(PrintWriter original) {
                return unixStyle(original);
            }