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| 1 <html> |
| 2 <head> |
| 3 <script src="../htmlrunner.js"></script> |
| 4 <script> |
| 5 /* ***** BEGIN LICENSE BLOCK ***** |
| 6 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| 7 * |
| 8 * The contents of this file are subject to the Mozilla Public License Version |
| 9 * 1.1 (the "License"); you may not use this file except in compliance with |
| 10 * the License. You may obtain a copy of the License at |
| 11 * http://www.mozilla.org/MPL/ |
| 12 * |
| 13 * Software distributed under the License is distributed on an "AS IS" basis, |
| 14 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| 15 * for the specific language governing rights and limitations under the |
| 16 * License. |
| 17 * |
| 18 * The Original Code is Mozilla XML-RPC Client component. |
| 19 * |
| 20 * The Initial Developer of the Original Code is |
| 21 * Digital Creations 2, Inc. |
| 22 * Portions created by the Initial Developer are Copyright (C) 2000 |
| 23 * the Initial Developer. All Rights Reserved. |
| 24 * |
| 25 * Contributor(s): |
| 26 * Martijn Pieters <mj@digicool.com> (original author) |
| 27 * Samuel Sieb <samuel@sieb.net> |
| 28 * |
| 29 * Alternatively, the contents of this file may be used under the terms of |
| 30 * either the GNU General Public License Version 2 or later (the "GPL"), or |
| 31 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| 32 * in which case the provisions of the GPL or the LGPL are applicable instead |
| 33 * of those above. If you wish to allow use of your version of this file only |
| 34 * under the terms of either the GPL or the LGPL, and not to allow others to |
| 35 * use your version of this file under the terms of the MPL, indicate your |
| 36 * decision by deleting the provisions above and replace them with the notice |
| 37 * and other provisions required by the GPL or the LGPL. If you do not delete |
| 38 * the provisions above, a recipient may use your version of this file under |
| 39 * the terms of any one of the MPL, the GPL or the LGPL. |
| 40 * |
| 41 * ***** END LICENSE BLOCK ***** */ |
| 42 |
| 43 // From: http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcCl
ient.js#956 |
| 44 |
| 45 /* Convert data (an array of integers) to a Base64 string. */ |
| 46 var toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456
789+/'; |
| 47 var base64Pad = '='; |
| 48 |
| 49 function toBase64(data) { |
| 50 var result = ''; |
| 51 var length = data.length; |
| 52 var i; |
| 53 // Convert every three bytes to 4 ascii characters. |
| 54 for (i = 0; i < (length - 2); i += 3) { |
| 55 result += toBase64Table[data.charCodeAt(i) >> 2]; |
| 56 result += toBase64Table[((data.charCodeAt(i) & 0x03) << 4) + (data.charC
odeAt(i+1) >> 4)]; |
| 57 result += toBase64Table[((data.charCodeAt(i+1) & 0x0f) << 2) + (data.cha
rCodeAt(i+2) >> 6)]; |
| 58 result += toBase64Table[data.charCodeAt(i+2) & 0x3f]; |
| 59 } |
| 60 |
| 61 // Convert the remaining 1 or 2 bytes, pad out to 4 characters. |
| 62 if (length%3) { |
| 63 i = length - (length%3); |
| 64 result += toBase64Table[data.charCodeAt(i) >> 2]; |
| 65 if ((length%3) == 2) { |
| 66 result += toBase64Table[((data.charCodeAt(i) & 0x03) << 4) + (data.c
hartCodeAt(i+1) >> 4)]; |
| 67 result += toBase64Table[(data.charCodeAt(i+1) & 0x0f) << 2]; |
| 68 result += base64Pad; |
| 69 } else { |
| 70 result += toBase64Table[(data.charCodeAt(i) & 0x03) << 4]; |
| 71 result += base64Pad + base64Pad; |
| 72 } |
| 73 } |
| 74 |
| 75 return result; |
| 76 } |
| 77 |
| 78 /* Convert Base64 data to a string */ |
| 79 var toBinaryTable = [ |
| 80 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, |
| 81 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, |
| 82 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63, |
| 83 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1, |
| 84 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14, |
| 85 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1, |
| 86 -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, |
| 87 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1 |
| 88 ]; |
| 89 |
| 90 function base64ToString(data) { |
| 91 var result = ''; |
| 92 var leftbits = 0; // number of bits decoded, but yet to be appended |
| 93 var leftdata = 0; // bits decoded, but yet to be appended |
| 94 |
| 95 // Convert one by one. |
| 96 for (var i = 0; i < data.length; i++) { |
| 97 var c = toBinaryTable[data.charCodeAt(i) & 0x7f]; |
| 98 var padding = (data.charCodeAt(i) == base64Pad.charCodeAt(0)); |
| 99 // Skip illegal characters and whitespace |
| 100 if (c == -1) continue; |
| 101 |
| 102 // Collect data into leftdata, update bitcount |
| 103 leftdata = (leftdata << 6) | c; |
| 104 leftbits += 6; |
| 105 |
| 106 // If we have 8 or more bits, append 8 bits to the result |
| 107 if (leftbits >= 8) { |
| 108 leftbits -= 8; |
| 109 // Append if not padding. |
| 110 if (!padding) |
| 111 result += String.fromCharCode((leftdata >> leftbits) & 0xff); |
| 112 leftdata &= (1 << leftbits) - 1; |
| 113 } |
| 114 } |
| 115 |
| 116 // If there are any bits left, the base64 string was corrupted |
| 117 if (leftbits) |
| 118 throw Components.Exception('Corrupted base64 string'); |
| 119 |
| 120 return result; |
| 121 } |
| 122 |
| 123 window.onload = function(){ startTest("dromaeo-string-base64", ''); |
| 124 |
| 125 var str = []; |
| 126 |
| 127 for ( var i = 0; i < 4096; i++ ) |
| 128 str.push( String.fromCharCode( (25 * Math.random()) + 97 ) ); |
| 129 |
| 130 str = str.join(""); |
| 131 str += str; |
| 132 str += str; |
| 133 |
| 134 var base64; |
| 135 |
| 136 test( "Convert String to Base 64", function(){ |
| 137 base64 = toBase64(str); |
| 138 }); |
| 139 |
| 140 prep(function(){ |
| 141 if ( !base64 ) |
| 142 base64 = toBase64(str); |
| 143 }); |
| 144 |
| 145 test( "Convert Base 64 to String", function(){ |
| 146 if ( str !== base64ToString(base64) ) { |
| 147 throw "String conversion mis-match."; |
| 148 } |
| 149 }); |
| 150 |
| 151 endTest(); }; |
| 152 </script> |
| 153 </head> |
| 154 <body></body> |
| 155 </html> |
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Chromium Code Reviews
Issue 269054:
Importing dromaeo performance tests to src/chrome/test/data.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/