abstract String getLanguageName()

    List<JvmSourceFile> getExpectedClasses() {
        return getSources().collect{it.classFile}
    }

    List<JvmSourceFile> getExpectedOutputs(){
        return getSources().collect { it.classFile } + resources;
    }

    List<TestFile> writeSources(TestFile sourceDir, String sourceSetName = languageName) {