)
    assertNull(
      Punycode.encode(a1000MaxCodePoint.repeat(2)),
    )
  }

  @Test fun invalidPunycode() {
    assertNull(Punycode.decode("xn--ls8h="))
  }

  private fun testEncodeDecode(
    unicode: String,
    punycode: String,
  ) {
    assertEquals(unicode, Punycode.decode(punycode))
    assertEquals(punycode, Punycode.encode(unicode))
  }

  private fun testDecodeOnly(

}

func ExampleTrimFunc() {
	fmt.Println(string(bytes.TrimFunc([]byte("go-gopher!"), unicode.IsLetter)))
	fmt.Println(string(bytes.TrimFunc([]byte("\"go-gopher!\""), unicode.IsLetter)))
	fmt.Println(string(bytes.TrimFunc([]byte("go-gopher!"), unicode.IsPunct)))
	fmt.Println(string(bytes.TrimFunc([]byte("1234go-gopher!567"), unicode.IsNumber)))
	// Output:
	// -gopher!
	// "go-gopher!"
	// go-gopher
	// go-gopher!
}

  }

  /**
   * Asserts that a Unicode escaper does not escape the given character.
   *
   * @param escaper the non-null escaper to test
   * @param cp the Unicode code point to test
   */
  public static void assertUnescaped(UnicodeEscaper escaper, int cp) {
    Assert.assertNull(computeReplacement(escaper, cp));
  }

  /**

  }

  /**
   * Asserts that a Unicode escaper does not escape the given character.
   *
   * @param escaper the non-null escaper to test
   * @param cp the Unicode code point to test
   */
  public static void assertUnescaped(UnicodeEscaper escaper, int cp) {
    Assert.assertNull(computeReplacement(escaper, cp));
  }

  /**

    private String filename;
    private final Configuration config;
    private final boolean unicode;


    /**
     * @param config
     * @param unicode
     * 
     */
    public FileBothDirectoryInfo ( Configuration config, boolean unicode ) {
        this.config = config;
        this.unicode = unicode;
    }


    @Override
    public String getName () {
        return this.filename;
    }

  over substrings of s split after each instance of sep.
- [FieldsSeq] returns an iterator over
  substrings of s split around runs of whitespace characters,
  as defined by unicode.IsSpace.
- [FieldsFuncSeq] returns an iterator

			}
			b[i] = c
		}
		return b
	}
	return Map(unicode.ToLower, s)
}

// ToTitle treats s as UTF-8-encoded bytes and returns a copy with all the Unicode letters mapped to their title case.
func ToTitle(s []byte) []byte { return Map(unicode.ToTitle, s) }

// ToUpperSpecial treats s as UTF-8-encoded bytes and returns a copy with all the Unicode letters mapped to their

pkg testing, type InternalExample struct, Unordered bool
pkg unicode, const Version = "9.0.0"
pkg unicode, var Adlam *RangeTable
pkg unicode, var Bhaiksuki *RangeTable
pkg unicode, var Marchen *RangeTable
pkg unicode, var Newa *RangeTable
pkg unicode, var Osage *RangeTable
pkg unicode, var Prepended_Concatenation_Mark *RangeTable
pkg unicode, var Sentence_Terminal *RangeTable

        StringBuilder unicode = new StringBuilder(UNICODE_LEN);
        boolean hadSlash = false;
        boolean inUnicode = false;
        for (int i = 0; i < sz; i++) {
            char ch = str.charAt(i);
            if (inUnicode) {
                // if in unicode, then we're reading unicode
                // values in somehow
                unicode.append(ch);

 * when it encounters surrogate pairs. This class facilitates the correct escaping of all Unicode
 * characters.
 *
 * <p>As there are important reasons, including potential security issues, to handle Unicode
 * correctly if you are considering implementing a new escaper you should favor using UnicodeEscaper
 * wherever possible.
 *