private final char[][] replacements;
  // The number of elements in the replacement array.
  private final int replacementsLength;
  // The first code point in the safe range.
  private final int safeMin;
  // The last code point in the safe range.
  private final int safeMax;

  // Cropped values used in the fast path range checks.
  private final char safeMinChar;
  private final char safeMaxChar;

 *
 * The first element on each line is a single hex code point (like 0041) or a hex code point range
 * (like 0030..0039).
 *
 * The second element on each line is a mapping type, like `valid` or `mapped`.
 *
 * For lines that contain a mapping target, the next thing is a sequence of hex code points (like
 * 0031 2044 0034).
 *
 * All other data is ignored.
 */

    assertThat(stringPrep("\u2029")).isNull()
    assertThat(stringPrep("\ud834\udd7a")).isNull() // Note that this is one code point.
  }

  @Test fun prohibitionPrivateUse() {
    assertThat(stringPrep("\uf8ff")).isNull()
    assertThat(stringPrep("\udbff\udffd")).isNull() // Note that this is one code point.
  }

  @Test fun prohibitionNonCharacter() {
    assertThat(stringPrep("\ufdd0")).isNull()

    }

    public void test_34_150_10_2() {
        MockletHttpServletRequest request = getMockRequest();
        request.setParameter("geo.location.1.point", "34,150");
        request.setParameter("geo.location.1.distance", "10km");
        request.setParameter("geo.location.2.point", "35,151");
        request.setParameter("geo.location.2.distance", "1km");

        final GeoInfo geoInfo = new GeoInfo(request);
        String result =

                    if (entry.equals(v)) { // unless it's an entry point.
                        // currently processing the entry point - it should not have any entry incident edges
                        res.getEntry().getMd().setWhy("This is a graph entry point. No links.");
                    } else {
                        // System.out.println("--->"+v.getMd().toDomainString()

		// This is to avoid a situation where prefix is '/tmp/fsmount'
		// and mount path is /tmp/fs. In such a scenario we need to check for
		// `/tmp/fs/` to be a common prefix amount other mounts.
		mpath := strings.TrimSuffix(mount.Path, "/") + "/"
		ppath := strings.TrimSuffix(path, "/") + "/"
		if strings.HasPrefix(mpath, ppath) {

                    final String key = e.getKey();
                    for (final String geoField : geoFields) {
                        if (key.startsWith("geo." + geoField + ".")) {
                            final String distanceKey = key.replaceFirst(".point$", ".distance");

    Assert.assertEquals(expected, escaped);
  }

  /**
   * Asserts that a Unicode escaper escapes the given code point into the expected string.
   *
   * @param escaper the non-null escaper to test
   * @param expected the expected output string
   * @param cp the Unicode code point to escape
   */
  public static void assertEscaping(UnicodeEscaper escaper, String expected, int cp) {

//
// Examples:
//
// - 1.5 will be serialized as "1500m"
// - 1.5Gi will be serialized as "1536Mi"
//
// Note that the quantity will NEVER be internally represented by a
// floating point number. That is the whole point of this exercise.
//
// Non-canonical values will still parse as long as they are well formed,
// but will be re-emitted in their canonical form. (So always use canonical
// form, or don't diff.)
//

    UnicodeEscaper e = SIMPLE_ESCAPER;
    String expected =
        "[0]abyz[128][256][2048][4096]ABYZ[65535]"
            + "["
            + Character.MIN_SUPPLEMENTARY_CODE_POINT
            + "]"
            + "0189["
            + Character.MAX_CODE_POINT
            + "]";
    assertEquals(expected, escapeAsString(e, TEST_STRING));
  }

  public void testGrowBuffer() { // need to grow past an initial 1024 byte buffer