// four-per-em space
    assertThat(parse("http://h/\u2005").encodedPath).isEqualTo("/%E2%80%85")
    // six-per-em space
    assertThat(parse("http://h/\u2006").encodedPath).isEqualTo("/%E2%80%86")
    // figure space
    assertThat(parse("http://h/\u2007").encodedPath).isEqualTo("/%E2%80%87")
    // punctuation space
    assertThat(parse("http://h/\u2008").encodedPath).isEqualTo("/%E2%80%88")
    // thin space

00003b0 d9 ac 5e bf 16 42 2f 00 1f 93 a2 23 87 bd e2 59
00003c0 a0 de 1a 66 c8 62 eb 55 8f 91 17 b4 61 42 7a 50
00003d0 40 03 34 40 03 34 40 03 34 40 03 34 40 03 34 40
00003e0 03 34 40 03 34 40 03 34 40 03 34 40 03 34 40 03
00003f0 34 40 03 34 40 03 34 ff 85 86 90 8b ea 67 90 0d
0000400 e1 42 1b d2 61 d6 79 ec fd 3e 44 28 a4 51 6c 5c
0000410 fc d2 72 ca ba 82 18 46 16 61 cd 93 a9 0f d1 24
0000420 17 99 e2 2c 71 16 84 0c c8 7a 13 0f 9a 5e c5 f0

          sort(
              entryArray,
              0,
              size,
              (e1, e2) -> {
                // requireNonNull is safe because the first `size` elements have been filled in.
                requireNonNull(e1);
                requireNonNull(e2);
                return comparator.compare(e1.getKey(), e2.getKey());
              });

      if (!Objects.equals(o1, o2)) {
        return false;
      }
    }
    return !iterator2.hasNext();
  }

  /**
   * Returns a string representation of {@code iterator}, with the format {@code [e1, e2, ..., en]}.
   * The iterator will be left exhausted: its {@code hasNext()} method will return {@code false}.
   */
  public static String toString(Iterator<?> iterator) {
    StringBuilder sb = new StringBuilder().append('[');