app.executable.writeSources(file("src/${name}Main"))
            app.library.writeSources(file("src/${name}Hello"))
            app.greetingsHeader.writeToDir(file("src/${name}Hello"))
            app.greetingsSources*.writeToDir(file("src/${name}Greetings"))

            buildFile << """
                model {
                    // Allow static libraries to be linked into shared
                    binaries {

    def "locates prebuilt library in another project"() {
        given:
        app.executable.writeSources(file("projectA/src/main"))
        app.librarySources*.writeToDir(file("projectA/src/main"))
        app.libraryHeader.writeToDir(file("projectB/libs/src/hello"))

        and:
        settingsFile.text = "include ':projectA', ':projectB'"
        buildFile << """
project(':projectA') {

        """
        settingsFile << "rootProject.name = 'test'"
        sourceFile = app.mainSource.writeToDir(file("src/main"))
        headerFile = app.libraryHeader.writeToDir(file("src/hello"))
        commonHeaderFile = app.commonHeader.writeToDir(file("src/hello"))
        app.librarySources.each {
            librarySourceFiles << it.writeToDir(file("src/hello"))
        }
    }

    @ToBeFixedForConfigurationCache

        File file = new File(resource.toURI())
        return new SourceFile(path, name, file.text);
    }

    void writeSources(TestFile sourceDir) {
        gradleBuild.writeToDir(sourceDir)
        for (SourceFile srcFile : allFiles) {
            srcFile.writeToDir(sourceDir)
        }
    }

    List<SourceFile> sourceFiles(String baseDir, String rootDir = getName()) {
        List sourceFiles = new ArrayList()

    }

    public JvmSourceFile getClassFile() {
        return new JvmSourceFile(path, name.replaceAll("(\\.java|\\.scala)", ".class"), null);
    }

    public TestFile writeToDir(TestFile base) {
        TestFile file = base.file(path, name);
        writeToFile(file);
        return file;
    }

    public void writeToFile(TestFile file) {
        if (file.exists()) {

        }
    }
        """

        and:
        sourceFile = app.mainSource.writeToDir(file("src/main"))
        sharedHeaderFile = app.libraryHeader.writeToDir(file("src/main"))
        commonHeaderFile = app.commonHeader.writeToDir(file("src/main"))
        app.librarySources.each {
            otherSourceFiles << it.writeToDir(file("src/main"))
        }
        otherHeaderFile = file("src/main/headers/other.h") << """

    @ToBeFixedForConfigurationCache
    def "variant-dependent sources are included in test binary"() {
        given:
        app.library.headerFiles*.writeToDir(file("src/hello"))
        app.googleTestTests.writeSources(file("src/helloTest"))
        app.library.sourceFiles*.writeToDir(file("src/variant"))

        when:
        buildFile << """
model {
    components {
        hello(NativeLibrarySpec) { l ->

     */
    public void writeToProject(TestFile projectDir) {
        TestFile srcDir = projectDir.file("src/" + getSourceSetName());
        for (SourceFile sourceFile : getFiles()) {
            sourceFile.writeToDir(srcDir);
        }
    }

    /**
     * Writes the source files of this element to the given source directory.
     */
    public void writeToSourceDir(TestFile sourceDir) {

    }

    @ToBeFixedForConfigurationCache
    def "can manually define C++ source sets"() {
        given:
        helloWorldApp.library.headerFiles.each { it.writeToDir(file("src/shared")) }

        file("src/main/cpp/main.cpp") << helloWorldApp.mainSource.content
        file("src/main/cpp2/hello.cpp") << helloWorldApp.librarySources[0].content

        given:
        def app = new CppHelloWorldApp()
        app.executable.writeSources(file("src/main"))

        app.library.headerFiles*.writeToDir(file("src/helloApi"))
        app.library.sourceFiles*.writeToDir(file("src/hello"))

        and:
        buildFile << """
model {
    components {
        main(NativeExecutableSpec) {
            sources {