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 34 var unescaped = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./"; 35 36 // Check the unescape chars are not escaped 37 assertEquals(unescaped, escape(unescaped)); 38 // Check spaces are escaped 39 assertEquals("%20/%20", escape(" / ")); 40 // Check that null chars are escaped and do not terminate the string 41 assertEquals("%000", escape("\0" + "0")); 42 // Check a unicode escape 43 assertEquals("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 45 assertEquals("%u0123", escape(String.fromCharCode(0x123))); 46 // Check escapes are upper case 47 assertEquals("%uABCD", escape(String.fromCharCode(0xabcd))); 48 assertEquals("%AB", escape(String.fromCharCode(0xab))); 49 assertEquals("%0A", escape("\n")); 50 51 // Check first 1000 chars individually for escaped/not escaped 52 for (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 62 for (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 68 var example = "Now is the time for all good men to come to the aid of the party."; 69 example = example + String.fromCharCode(267, 0x1234, 0x6667, 0xabcd); 70 example = example + " The quick brown fox jumps over the lazy dog." 71 example = example + String.fromCharCode(171, 172, 173, 174, 175, 176, 178, 179); 72 73 for (var i = 0; i < 3000; i++) { 74 assertEquals(example, unescape(escape(example))); 75 } 76 77 // Check unescape can cope with upper and lower case 78 assertEquals(unescape("%41%4A%4a"), "AJJ"); 79 80 // Check upper case U 81 assertEquals("%U1234", unescape("%U1234")); 82 83 // Check malformed unescapes 84 assertEquals("%", unescape("%")); 85 assertEquals("%4", unescape("%4")); 86 assertEquals("%u", unescape("%u")); 87 assertEquals("%u4", unescape("%u4")); 88 assertEquals("%u44", unescape("%u44")); 89 assertEquals("%u444", unescape("%u444")); 90 assertEquals("%4z", unescape("%4z")); 91 assertEquals("%uzzzz", unescape("%uzzzz")); 92 assertEquals("%u4zzz", unescape("%u4zzz")); 93 assertEquals("%u44zz", unescape("%u44zz")); 94 assertEquals("%u444z", unescape("%u444z")); 95 assertEquals("%4<", unescape("%4<")); 96 assertEquals("%u<<<<", unescape("%u<<<<")); 97 assertEquals("%u4<<<", unescape("%u4<<<")); 98 assertEquals("%u44<<", unescape("%u44<<")); 99 assertEquals("%u444<", unescape("%u444<")); 100 assertEquals("foo%4<", unescape("foo%4<")); 101 assertEquals("foo%u<<<<", unescape("foo%u<<<<")); 102 assertEquals("foo%u4<<<", unescape("foo%u4<<<")); 103 assertEquals("foo%u44<<", unescape("foo%u44<<")); 104 assertEquals("foo%u444<", unescape("foo%u444<")); 105 assertEquals("foo%4<bar", unescape("foo%4<bar")); 106 assertEquals("foo%u<<<<bar", unescape("foo%u<<<<bar")); 107 assertEquals("foo%u4<<<bar", unescape("foo%u4<<<bar")); 108 assertEquals("foo%u44<<bar", unescape("foo%u44<<bar")); 109 assertEquals("foo%u444<bar", unescape("foo%u444<bar")); 110 assertEquals("% ", unescape("%%20")); 111 assertEquals("%% ", unescape("%%%20")); 112 113 // Unescape stress 114 var eexample = escape(example); 115 116 for (var i = 1; i < 3000; i++) { 117 assertEquals(example, unescape(eexample)); 118 } 119
