* <p>
     * For example see docs for {@link IdeaModule}
     */
    public File getOutputDir() {
        return outputDir;
    }

    public void setOutputDir(File outputDir) {
        this.outputDir = outputDir;
    }

    /**
     * The output directory for test classes.
     * If {@code null}, no entry will be created.
     * <p>

        def projectName = args[0]
        def outputDir = new File(args[1])

        JavaTestProjectGenerator project = JavaTestProjectGenerator.values().find {it.projectName == projectName }
        if (project == null) {
            throw new IllegalArgumentException("Project not defined: $projectName")
        }
        def projectDir = new File(outputDir, projectName)

    @Override
    public void visitOutputs(File workspace, OutputVisitor visitor) {
        File outputDir = getOutputDir(workspace);
        File resultsFile = getResultsFile(workspace);
        visitor.visitOutputProperty(OUTPUT_DIRECTORY_PROPERTY_NAME, DIRECTORY,
            OutputFileValueSupplier.fromStatic(outputDir, fileCollectionFactory.fixed(outputDir)));
        visitor.visitOutputProperty(RESULTS_FILE_PROPERTY_NAME, FILE,

    }

    def "generates -s option"() {
        def outputDir = new File("build/generated-sources")
        spec.compileOptions.annotationProcessorGeneratedSourcesDirectory = outputDir

        expect:
        builder.build() == ["-g", "-sourcepath", "", "-proc:none", "-s", outputDir.path, USE_UNSHARED_COMPILER_TABLE_OPTION, "-classpath", ""]
    }

    def validationWarningReporter = Mock(ValidateStep.ValidationWarningRecorder)

    final outputFile = temporaryFolder.file("output-file")
    final outputDir = temporaryFolder.file("output-dir")
    final outputDirFile = outputDir.file("some-file")
    final outputDirFile2 = outputDir.file("some-file-2")
    final emptyOutputDir = temporaryFolder.file("empty-output-dir")
    final missingOutputFile = temporaryFolder.file("missing-output-file")

/**
 * Compiles the given [residual program][ResidualProgram] to an [ExecutableProgram] subclass named `Program`
 * stored in the given [outputDir].
 */
internal
class ResidualProgramCompiler(
    private val outputDir: File,
    private val compilerOptions: KotlinCompilerOptions,
    private val classPath: ClassPath = ClassPath.EMPTY,
    private val originalSourceHash: HashCode,

        def outputJar = testDir.file("transformed.jar")
        return new JarTestFixture(transform(factory, originalJar, outputJar), 'UTF-8', null, /* checkManifest */ false)
    }

    private TestFile transformDirectory(TransformFactoryType factory, File originalDir) {
        def outputDir = testDir.file("transformed")

[source,kotlin]
----
tasks.compileJava {
    // Modify the task behavior
    doLast {
        val outputDir = File("$buildDir/compiledClasses")
        outputDir.mkdirs()

        val compiledFiles = sourceSets["main"].output.files
        compiledFiles.forEach { compiledFile ->
            val destinationFile = File(outputDir, compiledFile.name)
            compiledFile.copyTo(destinationFile, true)
        }

    }

    def "wrong output file type registered via TaskOutputs.#method is not allowed (files)"() {
        enableProblemsApiCheck()
        expectReindentedValidationMessage()
        def outputDir = file("output-dir")
        outputDir.createDir()
        buildFile << """
            task test {
                outputs.${method}({ "$path" }) withPropertyName "output"
                doLast {}
            }
        """

                        return "good";
                    }
                }

                @OutputDirectory
                private File getOutputDir() {
                    return new File("outputDir");
                }

                @TaskAction
                public void doStuff() { }
            }
        """

        expect:
        assertValidationFailsWith([