+ "]"
            + "0189["
            + Character.MAX_CODE_POINT
            + "]";
    assertThat(escapeAsString(e, TEST_STRING)).isEqualTo(expected);
  }

  public void testGrowBuffer() { // need to grow past an initial 1024 byte buffer
    StringBuilder input = new StringBuilder();
    StringBuilder expected = new StringBuilder();
    for (int i = 256; i < 1024; i++) {
      input.append((char) i);