*
     * @param rootDir the root directory (must not be {@literal null})
     * @param handler the handler to process classes (must not be {@literal null})
     */
    public static void forEach(final File rootDir, final ClassHandler handler) {
        assertArgumentNotNull("rootDir", rootDir);
        assertArgumentNotNull("handler", handler);

        forEach(rootDir, null, handler);
    }

    /**

    static {
        addTraverserFactory("file", (url, rootPackage, rootDir) -> new FileSystemTraverser(getBaseDir(url, rootDir), rootPackage, rootDir));
        addTraverserFactory("jar", JarFileTraverser::new);
        addTraverserFactory("zip", (url, rootPackage,
                rootDir) -> new JarFileTraverser(JarFileUtil.create(new File(ZipFileUtil.toZipFilePath(url))), rootPackage, rootDir));
        addTraverserFactory("code-source",

     *
     * @param rootDir the root directory (must not be {@literal null})
     * @param handler the handler to process resources (must not be {@literal null})
     */
    public static void forEach(final File rootDir, final ResourceHandler handler) {
        assertArgumentNotNull("rootDir", rootDir);
        assertArgumentNotNull("handler", handler);

        forEach(rootDir, null, handler);
    }

    /**

		)
		if err != nil {
			return "", err
		}
	}

	return finalPkgpath, nil
}

// subdir determines the package based on the current working directory,
// and returns the path to the package source relative to $GOROOT (or $GOPATH).
func subdir() (pkgpath string, underGoRoot bool, err error) {
	cwd, err := os.Getwd()
	if err != nil {
		return "", false, err
	}

@NullUnmarked
public class FilesFileTraverserTest extends IoTestCase {

  private File rootDir;

  @Override
  public void setUp() throws IOException {
    rootDir = createTempDir();
  }

  public void testFileTraverser_emptyDirectory() throws Exception {
    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir);
  }

  public void testFileTraverser_nonExistingFile() throws Exception {

     */
    @Test
    public void testIsPathSafe_PathInsideBase() throws Exception {
        final Path baseDir = tempFolder.getRoot().toPath();
        final Path subDir = Files.createDirectory(baseDir.resolve("subdir"));
        final Path file = Files.createFile(subDir.resolve("test.txt"));

        assertTrue("Path inside base should be allowed", FileUtil.isPathSafe(file, baseDir));
    }

    /**

            block()
        }
    }

    private
    fun setupRunBinaryCompatibility(v1: File.() -> Unit, v2: File.() -> Unit): File {
        rootDir.withFile("version.txt", "9.0.0")

        return rootDir.withUniqueDirectory("input-build").apply {

            withSettings("""include("v1", "v2", "binary-compatibility")""")
            withBuildScript(
                """

        .isEqualTo("fooBar");
  }

  public void testConverter_nullConversions() {
    for (CaseFormat outer : CaseFormat.values()) {
      for (CaseFormat inner : CaseFormat.values()) {
        assertThat(outer.converterTo(inner).convert(null)).isNull();
        assertThat(outer.converterTo(inner).reverse().convert(null)).isNull();
      }
    }
  }

  public void testConverter_toString() {

public class SynchronizedQueueTest extends TestCase {

  protected Queue<String> create() {
    TestQueue<String> inner = new TestQueue<>();
    Queue<String> outer = Synchronized.queue(inner, inner.mutex);
    outer.add("foo"); // necessary because we try to remove elements later on
    return outer;
  }

  private static final class TestQueue<E> implements Queue<E> {
    private final Queue<E> delegate = new LinkedList<>();

        .isEqualTo("fooBar");
  }

  public void testConverter_nullConversions() {
    for (CaseFormat outer : CaseFormat.values()) {
      for (CaseFormat inner : CaseFormat.values()) {
        assertThat(outer.converterTo(inner).convert(null)).isNull();
        assertThat(outer.converterTo(inner).reverse().convert(null)).isNull();
      }
    }
  }

  public void testConverter_toString() {