1// Copyright 2008 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28/** 29 * @fileoverview Check that the global escape and unescape functions work 30 * right. 31 */ 32 33// Section B.2.1 of ECMAScript 3 34var unescaped = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./"; 35 36// Check the unescape chars are not escaped 37assertEquals(unescaped, escape(unescaped)); 38// Check spaces are escaped 39assertEquals("%20/%20", escape(" / ")); 40// Check that null chars are escaped and do not terminate the string 41assertEquals("%000", escape("\0" + "0")); 42// Check a unicode escape 43assertEquals("A%20B%u1234%00%20C", escape(String.fromCharCode(0x41, 0x20, 0x42, 0x1234, 0, 0x20, 0x43))); 44// Check unicode escapes have a leading zero to pad to 4 digits 45assertEquals("%u0123", escape(String.fromCharCode(0x123))); 46// Check escapes are upper case 47assertEquals("%uABCD", escape(String.fromCharCode(0xabcd))); 48assertEquals("%AB", escape(String.fromCharCode(0xab))); 49assertEquals("%0A", escape("\n")); 50 51// Check first 1000 chars individually for escaped/not escaped 52for (var i = 0; i < 1000; i++) { 53 var s = String.fromCharCode(i); 54 if (unescaped.indexOf(s, 0) == -1) { 55 assertFalse(s == escape(s)); 56 } else { 57 assertTrue(s == escape(s)); 58 } 59} 60 61// Check all chars up to 1000 in groups of 10 using unescape as a check 62for (var i = 0; i < 1000; i += 10) { 63 var s = String.fromCharCode(i, i+1, i+2, i+3, i+4, i+5, i+6, i+7, i+8, i+9); 64 assertEquals(s, unescape(escape(s))); 65} 66 67// Benchmark 68var example = "Now is the time for all good men to come to the aid of the party."; 69example = example + String.fromCharCode(267, 0x1234, 0x6667, 0xabcd); 70example = example + " The quick brown fox jumps over the lazy dog." 71example = example + String.fromCharCode(171, 172, 173, 174, 175, 176, 178, 179); 72 73for (var i = 0; i < 3000; i++) { 74 assertEquals(example, unescape(escape(example))); 75} 76 77// Check unescape can cope with upper and lower case 78assertEquals(unescape("%41%4A%4a"), "AJJ"); 79 80// Check upper case U 81assertEquals("%U1234", unescape("%U1234")); 82 83// Check malformed unescapes 84assertEquals("%", unescape("%")); 85assertEquals("%4", unescape("%4")); 86assertEquals("%u", unescape("%u")); 87assertEquals("%u4", unescape("%u4")); 88assertEquals("%u44", unescape("%u44")); 89assertEquals("%u444", unescape("%u444")); 90assertEquals("%4z", unescape("%4z")); 91assertEquals("%uzzzz", unescape("%uzzzz")); 92assertEquals("%u4zzz", unescape("%u4zzz")); 93assertEquals("%u44zz", unescape("%u44zz")); 94assertEquals("%u444z", unescape("%u444z")); 95assertEquals("%4<", unescape("%4<")); 96assertEquals("%u<<<<", unescape("%u<<<<")); 97assertEquals("%u4<<<", unescape("%u4<<<")); 98assertEquals("%u44<<", unescape("%u44<<")); 99assertEquals("%u444<", unescape("%u444<")); 100assertEquals("foo%4<", unescape("foo%4<")); 101assertEquals("foo%u<<<<", unescape("foo%u<<<<")); 102assertEquals("foo%u4<<<", unescape("foo%u4<<<")); 103assertEquals("foo%u44<<", unescape("foo%u44<<")); 104assertEquals("foo%u444<", unescape("foo%u444<")); 105assertEquals("foo%4<bar", unescape("foo%4<bar")); 106assertEquals("foo%u<<<<bar", unescape("foo%u<<<<bar")); 107assertEquals("foo%u4<<<bar", unescape("foo%u4<<<bar")); 108assertEquals("foo%u44<<bar", unescape("foo%u44<<bar")); 109assertEquals("foo%u444<bar", unescape("foo%u444<bar")); 110assertEquals("% ", unescape("%%20")); 111assertEquals("%% ", unescape("%%%20")); 112 113// Unescape stress 114var eexample = escape(example); 115 116for (var i = 1; i < 3000; i++) { 117 assertEquals(example, unescape(eexample)); 118} 119