if (isWindows()) {
      return; // TODO: b/136041958 - Can we detect cycles under Windows?
    }
    ClassLoader loader = ClassPathTest.class.getClassLoader();
    // directory with a cycle,
    // /root
    //    /left
    //       /[sibling -> right]
    //    /right
    //       /[sibling -> left]
    java.nio.file.Path root = createTempDirectory("ClassPathTest");
    try {

        .containsExactly(fullpath("base/the^file.jar"));
  }

  public void testGetClassPathFromManifest_relativeDirectory() throws IOException {
    File jarFile = new File("base/some.jar");
    // with/relative/directory is the Class-Path value in the mf file.
    Manifest manifest = manifestClasspath("with/relative/dir");
    assertThat(ClassPath.getClassPathFromManifest(jarFile, manifest))