assertEquals("/a/b", simplifyPath("//a//b/"));
  }

  public void testSimplify7() {
    assertEquals("/", simplifyPath("/.."));
  }

  public void testSimplify8() {
    assertEquals("/", simplifyPath("/././././"));
  }

  public void testSimplify9() {
    assertEquals("/a", simplifyPath("/a/b/.."));
  }

  public void testSimplify10() {
    assertEquals("/", simplifyPath("/a/b/../../.."));
  }