URLClassLoader child = new URLClassLoader(new URL[] {url}, parent) {};
    assertThat(ClassPath.getClassPathEntries(child)).containsExactly(new File("/a"), parent);
  }

  @AndroidIncompatible // Android forbids null parent ClassLoader
  public void testClassPathEntries_notURLClassLoader_noParent() {
    assertThat(ClassPath.getClassPathEntries(new ClassLoader(null) {})).isEmpty();
  }