File temp1 = createTempFile();
    File temp2 = createTempFile();

    Files.copy(i18nFile, temp1);
    moveHelper(true, temp1, temp2);
    assertTrue(Files.equal(temp2, i18nFile));
  }

  public void testMoveViaCopy() throws IOException {
    File i18nFile = getTestFile("i18n.txt");
    File temp1 = createTempFile();
    File temp2 = createTempFile();

    Files.copy(i18nFile, temp1);

    File temp1 = createTempFile();
    File temp2 = createTempFile();

    Files.copy(i18nFile, temp1);
    moveHelper(true, temp1, temp2);
    assertTrue(Files.equal(temp2, i18nFile));
  }

  public void testMoveViaCopy() throws IOException {
    File i18nFile = getTestFile("i18n.txt");
    File temp1 = createTempFile();
    File temp2 = createTempFile();

    Files.copy(i18nFile, temp1);

      } catch (IOException e) {
        throw new IllegalStateException("Failed to create directory", e);
      }
    }

    @Override
    File createTempFile(String prefix) throws IOException {
      return java.nio.file.Files.createTempFile(
              Paths.get(JAVA_IO_TMPDIR.value()),
              /* prefix= */ prefix,
              /* suffix= */ null,
              filePermissions.get())

              }
              Files.deleteIfExists(dir);
              return FileVisitResult.CONTINUE;
            }
          });
    }
  }

  private Path createTempFile() throws IOException {
    return Files.createTempFile(tempDir, "test", ".test");
  }

  public void testByteSource_size_ofDirectory() throws IOException {
    try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {

  /**
   * Creates a new temp file in the temp directory returned by {@link #getTempDir()}. The file will
   * be deleted in the tear-down for this test.
   */
  protected final File createTempFile() throws IOException {
    return File.createTempFile("test", null, getTempDir());
  }

  /** Returns a byte array of length size that has values 0 .. size - 1. */
  static byte[] newPreFilledByteArray(int size) {

    private final ThreadLocal<File> fileThreadLocal = new ThreadLocal<>();

    protected File createFile() throws IOException {
      File file = File.createTempFile("SinkSourceFile", "txt");
      fileThreadLocal.set(file);
      return file;
    }

    protected File getFile() {
      return fileThreadLocal.get();
    }

  /**
   * Creates a new temp file in the temp directory returned by {@link #getTempDir()}. The file will
   * be deleted in the tear-down for this test.
   */
  protected final File createTempFile() throws IOException {
    return File.createTempFile("test", null, getTempDir());
  }

  /** Returns a byte array of length size that has values 0 .. size - 1. */
  static byte[] newPreFilledByteArray(int size) {

    // Check that we can find a resource if it is visible to the context class
    // loader, even if it is not visible to the loader of the Resources class.

    File tempFile = createTempFile();
    PrintWriter writer = new PrintWriter(tempFile, "UTF-8");
    writer.println("rud a chur ar an méar fhada");
    writer.close();

    // First check that we can't find it without setting the context loader.

   * so.
   */
  @GuardedBy("this")
  private void update(int len) throws IOException {
    if (memory != null && (memory.getCount() + len > fileThreshold)) {
      File temp = TempFileCreator.INSTANCE.createTempFile("FileBackedOutputStream");
      if (resetOnFinalize) {
        // Finalizers are not guaranteed to be called on system shutdown;
        // this is insurance.
        temp.deleteOnExit();
      }
      try {

  }

  @AndroidIncompatible // ClassPath is documented as not supporting Android

  public void testScan_classPathCycle() throws IOException {
    File jarFile = File.createTempFile("with_circular_class_path", ".jar");
    try {
      writeSelfReferencingJarFile(jarFile, "test.txt");
      assertThat(
              new ClassPath.LocationInfo(jarFile, ClassPathTest.class.getClassLoader())