text: // Copyright 2013 the V8 project authors. All rights reserved.
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  //       notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  //       copyright notice, this list of conditions and the following
  //       disclaimer in the documentation and/or other materials provided
  //       with the distribution.
  //     * Neither the name of Google Inc. nor the names of its
  //       contributors may be used to endorse or promote products derived
  //       from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  assertEquals(String.fromCharCode(97, 220, 256), 'a' + '\u00DC' + '\u0100');
  assertEquals(String.fromCharCode(97, 220, 256), 'a\u00DC\u0100');
  
  assertEquals(0x80, JSON.stringify("\x80").charCodeAt(1));
  assertEquals(0x80, JSON.stringify("\x80", 0, null).charCodeAt(1));
  
  assertEquals(['a', 'b', '\xdc'], ['b', '\xdc', 'a'].sort());
  
  assertEquals(['\xfc\xdc', '\xfc'], new RegExp('(\xdc)\\1', 'i').exec('\xfc\xdc'));
  // Same test but for all values in Latin-1 range.
  var total_lo = 0;
  for (var i = 0; i < 0xff; i++) {
    var base = String.fromCharCode(i);
    var escaped = base;
    if (base == '(' || base == ')' || base == '*' || base == '+' ||
        base == '?' || base == '[' || base == ']' || base == '\\' ||
        base == '$' || base == '^' || base == '|') {
      escaped = '\\' + base;
    }
    var lo = String.fromCharCode(i + 0x20);
    base_result = new RegExp('(' + escaped + ')\\1', 'i').exec(base + base);
    assertEquals( base_result, [base + base, base]);
    lo_result = new RegExp('(' + escaped + ')\\1', 'i').exec(base + lo);
    if (base.toLowerCase() == lo) {
      assertEquals([base + lo, base], lo_result);
      total_lo++;
    } else {
      assertEquals(null, lo_result);
    }
  }
  // Should have hit the branch for the following char codes:
  // [A-Z], [192-222] but not 215
  assertEquals((90-65+1)+(222-192-1+1), total_lo);
  
  // Latin-1 whitespace character
  assertEquals( 1, +(String.fromCharCode(0xA0) + '1') );
  
  // Latin-1 \W characters
  assertEquals(["+\u00a3", "=="], "+\u00a3==".match(/\W\W/g));
  
  // Latin-1 character that uppercases out of Latin-1.
  assertTrue(/\u0178/i.test('\u00ff'));
  
  // Unicode equivalence
  assertTrue(/\u039c/i.test('\u00b5'));
  assertTrue(/\u039c/i.test('\u03bc'));
  assertTrue(/\u00b5/i.test('\u03bc'));
  // Unicode equivalence ranges
  assertTrue(/[\u039b-\u039d]/i.test('\u00b5'));
  assertFalse(/[^\u039b-\u039d]/i.test('\u00b5'));
  assertFalse(/[\u039b-\u039d]/.test('\u00b5'));
  assertTrue(/[^\u039b-\u039d]/.test('\u00b5'));
  
  // Check a regression in QuoteJsonSlow and WriteQuoteJsonString
  for (var testNumber = 0; testNumber < 2; testNumber++) {
    var testString = "\xdc";
    var loopLength = testNumber == 0 ? 0 : 20;
    for (var i = 0; i < loopLength; i++ ) {
      testString += testString;
    }
    var stringified = JSON.stringify({"test" : testString}, null, 0);
    var stringifiedExpected = '{"test":"' + testString + '"}';
    assertEquals(stringifiedExpected, stringified);
  }
  