text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  info: |
      If string.charAt(k) in [0xD800 - 0xDBFF] and string.charAt(k+1) in
      [0xDC00 � 0xDFFF], return 4 octets (000wwwxx xxxxyyyy yyzzzzzz ->
      11110www 10xxxxxx 10yyyyyy 10zzzzzz)
  es5id: 15.1.3.3_A2.4_T2
  es6id: 18.2.6.4
  esid: sec-encodeuri-uri
  description: >
      Complex tests, use RFC 3629, string.charAt(k) in [0xD800, 0xDBFF,
      0xD9FF]
  includes: [decimalToHexString.js]
  ---*/
  
  var chars = [0xD800, 0xDBFF, 0xD9FF];
  var errorCount = 0;
  var count = 0;
  var indexP;
  var indexO = 0;
  for (var index = 0xDC00; index <= 0xDFFF; index++) {
    var res = true;
    for (var indexC = 0; indexC < chars.length; indexC++) {
      var index1 = (chars[indexC] - 0xD800) * 0x400 + (index - 0xDC00) + 0x10000;
      var hex1 = decimalToPercentHexString(0x0080 + (index1 & 0x003F));
      var hex2 = decimalToPercentHexString(0x0080 + (index1 & 0x0FC0) / 0x0040);
      var hex3 = decimalToPercentHexString(0x0080 + (index1 & 0x3F000) / 0x1000);
      var hex4 = decimalToPercentHexString(0x00F0 + (index1 & 0x1C0000) / 0x40000);
      var str = String.fromCharCode(chars[indexC], index);
      if (encodeURI(str).toUpperCase() === hex4 + hex3 + hex2 + hex1) continue;
  
      res = false;
    }
    if (res !== true) {
      if (indexO === 0) {
        indexO = index;
      } else {
        if ((index - indexP) !== 1) {
          if ((indexP - indexO) !== 0) {
            var hexP = decimalToHexString(indexP);
            var hexO = decimalToHexString(indexO);
            $ERROR('#' + hexO + '-' + hexP + ' ');
          }
          else {
            var hexP = decimalToHexString(indexP);
            $ERROR('#' + hexP + ' ');
          }
          indexO = index;
        }
      }
      indexP = index;
      errorCount++;
    }
    count++;
  }
  
  if (errorCount > 0) {
    if ((indexP - indexO) !== 0) {
      var hexP = decimalToHexString(indexP);
      var hexO = decimalToHexString(indexO);
      $ERROR('#' + hexO + '-' + hexP + ' ');
    } else {
      var hexP = decimalToHexString(indexP);
      $ERROR('#' + hexP + ' ');
    }
    $ERROR('Total error: ' + errorCount + ' bad Unicode character in ' + count + ' ');
  }
  