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

  public void testHiddenFiles() {
    assertEquals(".b", simplifyPath(".b"));
    assertEquals(".b", simplifyPath("./.b"));
    assertEquals(".metadata/b", simplifyPath(".metadata/b"));
    assertEquals(".metadata/b", simplifyPath("./.metadata/b"));