Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 5 | |
michael@0 | 6 | |
michael@0 | 7 | /** |
michael@0 | 8 | File Name: 15.5.4.8-2.js |
michael@0 | 9 | ECMA Section: 15.5.4.8 String.prototype.split( separator ) |
michael@0 | 10 | Description: |
michael@0 | 11 | |
michael@0 | 12 | Returns an Array object into which substrings of the result of converting |
michael@0 | 13 | this object to a string have been stored. The substrings are determined by |
michael@0 | 14 | searching from left to right for occurrences of the given separator; these |
michael@0 | 15 | occurrences are not part of any substring in the returned array, but serve |
michael@0 | 16 | to divide up this string value. The separator may be a string of any length. |
michael@0 | 17 | |
michael@0 | 18 | As a special case, if the separator is the empty string, the string is split |
michael@0 | 19 | up into individual characters; the length of the result array equals the |
michael@0 | 20 | length of the string, and each substring contains one character. |
michael@0 | 21 | |
michael@0 | 22 | If the separator is not supplied, then the result array contains just one |
michael@0 | 23 | string, which is the string. |
michael@0 | 24 | |
michael@0 | 25 | When the split method is called with one argument separator, the following steps are taken: |
michael@0 | 26 | |
michael@0 | 27 | 1. Call ToString, giving it the this value as its argument. |
michael@0 | 28 | 2. Create a new Array object of length 0 and call it A. |
michael@0 | 29 | 3. If separator is not supplied, call the [[Put]] method of A with 0 and |
michael@0 | 30 | Result(1) as arguments, and then return A. |
michael@0 | 31 | 4. Call ToString(separator). |
michael@0 | 32 | 5. Compute the number of characters in Result(1). |
michael@0 | 33 | 6. Compute the number of characters in the string that is Result(4). |
michael@0 | 34 | 7. Let p be 0. |
michael@0 | 35 | 8. If Result(6) is zero (the separator string is empty), go to step 17. |
michael@0 | 36 | 9. Compute the smallest possible integer k not smaller than p such that |
michael@0 | 37 | k+Result(6) is not greater than Result(5), and for all nonnegative |
michael@0 | 38 | integers j less than Result(6), the character at position k+j of |
michael@0 | 39 | Result(1) is the same as the character at position j of Result(2); |
michael@0 | 40 | but if there is no such integer k, then go to step 14. |
michael@0 | 41 | 10. Compute a string value equal to the substring of Result(1), consisting |
michael@0 | 42 | of the characters at positions p through k1, inclusive. |
michael@0 | 43 | 11. Call the [[Put]] method of A with A.length and Result(10) as arguments. |
michael@0 | 44 | 12. Let p be k+Result(6). |
michael@0 | 45 | 13. Go to step 9. |
michael@0 | 46 | 14. Compute a string value equal to the substring of Result(1), consisting |
michael@0 | 47 | of the characters from position p to the end of Result(1). |
michael@0 | 48 | 15. Call the [[Put]] method of A with A.length and Result(14) as arguments. |
michael@0 | 49 | 16. Return A. |
michael@0 | 50 | 17. If p equals Result(5), return A. |
michael@0 | 51 | 18. Compute a string value equal to the substring of Result(1), consisting of |
michael@0 | 52 | the single character at position p. |
michael@0 | 53 | 19. Call the [[Put]] method of A with A.length and Result(18) as arguments. |
michael@0 | 54 | 20. Increase p by 1. |
michael@0 | 55 | 21. Go to step 17. |
michael@0 | 56 | |
michael@0 | 57 | Note that the split function is intentionally generic; it does not require that its this value be a String |
michael@0 | 58 | object. Therefore it can be transferred to other kinds of objects for use as a method. |
michael@0 | 59 | |
michael@0 | 60 | Author: christine@netscape.com |
michael@0 | 61 | Date: 12 november 1997 |
michael@0 | 62 | */ |
michael@0 | 63 | |
michael@0 | 64 | var SECTION = "15.5.4.8-2"; |
michael@0 | 65 | var VERSION = "ECMA_1"; |
michael@0 | 66 | startTest(); |
michael@0 | 67 | var TITLE = "String.prototype.split"; |
michael@0 | 68 | |
michael@0 | 69 | writeHeaderToLog( SECTION + " "+ TITLE); |
michael@0 | 70 | |
michael@0 | 71 | // case where separator is the empty string. |
michael@0 | 72 | |
michael@0 | 73 | var TEST_STRING = "this is a string object"; |
michael@0 | 74 | |
michael@0 | 75 | new TestCase( SECTION, |
michael@0 | 76 | "var s = new String( "+ TEST_STRING +" ); s.split('').length", |
michael@0 | 77 | TEST_STRING.length, |
michael@0 | 78 | eval("var s = new String( TEST_STRING ); s.split('').length") ); |
michael@0 | 79 | |
michael@0 | 80 | for ( var i = 0; i < TEST_STRING.length; i++ ) { |
michael@0 | 81 | |
michael@0 | 82 | new TestCase( SECTION, |
michael@0 | 83 | "var s = new String( "+TEST_STRING+" ); s.split('')["+i+"]", |
michael@0 | 84 | TEST_STRING.charAt(i), |
michael@0 | 85 | eval("var s = new String( TEST_STRING ); s.split('')["+i+"]") ); |
michael@0 | 86 | } |
michael@0 | 87 | |
michael@0 | 88 | // case where the value of the separator is undefined. in this case, |
michael@0 | 89 | // the this value is returned. |
michael@0 | 90 | |
michael@0 | 91 | var TEST_STRING = "thisundefinedisundefinedaundefinedstringundefinedobject"; |
michael@0 | 92 | var EXPECT_STRING = new Array( TEST_STRING ); |
michael@0 | 93 | |
michael@0 | 94 | new TestCase( SECTION, |
michael@0 | 95 | "var s = new String( "+ TEST_STRING +" ); s.split(void 0).length", |
michael@0 | 96 | EXPECT_STRING.length, |
michael@0 | 97 | eval("var s = new String( TEST_STRING ); s.split(void 0).length") ); |
michael@0 | 98 | |
michael@0 | 99 | for ( var i = 0; i < EXPECT_STRING.length; i++ ) { |
michael@0 | 100 | new TestCase( SECTION, |
michael@0 | 101 | "var s = new String( "+TEST_STRING+" ); s.split(void 0)["+i+"]", |
michael@0 | 102 | EXPECT_STRING[i], |
michael@0 | 103 | eval("var s = new String( TEST_STRING ); s.split(void 0)["+i+"]") ); |
michael@0 | 104 | } |
michael@0 | 105 | |
michael@0 | 106 | // case where the value of the separator is null. in this case the value of the separator is "null". |
michael@0 | 107 | TEST_STRING = "thisnullisnullanullstringnullobject"; |
michael@0 | 108 | var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" ); |
michael@0 | 109 | |
michael@0 | 110 | new TestCase( SECTION, |
michael@0 | 111 | "var s = new String( "+ TEST_STRING +" ); s.split(null).length", |
michael@0 | 112 | EXPECT_STRING.length, |
michael@0 | 113 | eval("var s = new String( TEST_STRING ); s.split(null).length") ); |
michael@0 | 114 | |
michael@0 | 115 | for ( var i = 0; i < EXPECT_STRING.length; i++ ) { |
michael@0 | 116 | new TestCase( SECTION, |
michael@0 | 117 | "var s = new String( "+TEST_STRING+" ); s.split(null)["+i+"]", |
michael@0 | 118 | EXPECT_STRING[i], |
michael@0 | 119 | eval("var s = new String( TEST_STRING ); s.split(null)["+i+"]") ); |
michael@0 | 120 | } |
michael@0 | 121 | |
michael@0 | 122 | // case where the value of the separator is a boolean. |
michael@0 | 123 | TEST_STRING = "thistrueistrueatruestringtrueobject"; |
michael@0 | 124 | var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" ); |
michael@0 | 125 | |
michael@0 | 126 | new TestCase( SECTION, |
michael@0 | 127 | "var s = new String( "+ TEST_STRING +" ); s.split(true).length", |
michael@0 | 128 | EXPECT_STRING.length, |
michael@0 | 129 | eval("var s = new String( TEST_STRING ); s.split(true).length") ); |
michael@0 | 130 | |
michael@0 | 131 | for ( var i = 0; i < EXPECT_STRING.length; i++ ) { |
michael@0 | 132 | new TestCase( SECTION, |
michael@0 | 133 | "var s = new String( "+TEST_STRING+" ); s.split(true)["+i+"]", |
michael@0 | 134 | EXPECT_STRING[i], |
michael@0 | 135 | eval("var s = new String( TEST_STRING ); s.split(true)["+i+"]") ); |
michael@0 | 136 | } |
michael@0 | 137 | |
michael@0 | 138 | // case where the value of the separator is a number |
michael@0 | 139 | TEST_STRING = "this123is123a123string123object"; |
michael@0 | 140 | var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" ); |
michael@0 | 141 | |
michael@0 | 142 | new TestCase( SECTION, |
michael@0 | 143 | "var s = new String( "+ TEST_STRING +" ); s.split(123).length", |
michael@0 | 144 | EXPECT_STRING.length, |
michael@0 | 145 | eval("var s = new String( TEST_STRING ); s.split(123).length") ); |
michael@0 | 146 | |
michael@0 | 147 | for ( var i = 0; i < EXPECT_STRING.length; i++ ) { |
michael@0 | 148 | new TestCase( SECTION, |
michael@0 | 149 | "var s = new String( "+TEST_STRING+" ); s.split(123)["+i+"]", |
michael@0 | 150 | EXPECT_STRING[i], |
michael@0 | 151 | eval("var s = new String( TEST_STRING ); s.split(123)["+i+"]") ); |
michael@0 | 152 | } |
michael@0 | 153 | |
michael@0 | 154 | |
michael@0 | 155 | // case where the value of the separator is a number |
michael@0 | 156 | TEST_STRING = "this123is123a123string123object"; |
michael@0 | 157 | var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" ); |
michael@0 | 158 | |
michael@0 | 159 | new TestCase( SECTION, |
michael@0 | 160 | "var s = new String( "+ TEST_STRING +" ); s.split(123).length", |
michael@0 | 161 | EXPECT_STRING.length, |
michael@0 | 162 | eval("var s = new String( TEST_STRING ); s.split(123).length") ); |
michael@0 | 163 | |
michael@0 | 164 | for ( var i = 0; i < EXPECT_STRING.length; i++ ) { |
michael@0 | 165 | new TestCase( SECTION, |
michael@0 | 166 | "var s = new String( "+TEST_STRING+" ); s.split(123)["+i+"]", |
michael@0 | 167 | EXPECT_STRING[i], |
michael@0 | 168 | eval("var s = new String( TEST_STRING ); s.split(123)["+i+"]") ); |
michael@0 | 169 | } |
michael@0 | 170 | |
michael@0 | 171 | // case where the separator is not in the string |
michael@0 | 172 | TEST_STRING = "this is a string"; |
michael@0 | 173 | EXPECT_STRING = new Array( "this is a string" ); |
michael@0 | 174 | |
michael@0 | 175 | new TestCase( SECTION, |
michael@0 | 176 | "var s = new String( " + TEST_STRING + " ); s.split(':').length", |
michael@0 | 177 | 1, |
michael@0 | 178 | eval("var s = new String( TEST_STRING ); s.split(':').length") ); |
michael@0 | 179 | |
michael@0 | 180 | new TestCase( SECTION, |
michael@0 | 181 | "var s = new String( " + TEST_STRING + " ); s.split(':')[0]", |
michael@0 | 182 | TEST_STRING, |
michael@0 | 183 | eval("var s = new String( TEST_STRING ); s.split(':')[0]") ); |
michael@0 | 184 | |
michael@0 | 185 | // case where part but not all of separator is in the string. |
michael@0 | 186 | TEST_STRING = "this is a string"; |
michael@0 | 187 | EXPECT_STRING = new Array( "this is a string" ); |
michael@0 | 188 | new TestCase( SECTION, |
michael@0 | 189 | "var s = new String( " + TEST_STRING + " ); s.split('strings').length", |
michael@0 | 190 | 1, |
michael@0 | 191 | eval("var s = new String( TEST_STRING ); s.split('strings').length") ); |
michael@0 | 192 | |
michael@0 | 193 | new TestCase( SECTION, |
michael@0 | 194 | "var s = new String( " + TEST_STRING + " ); s.split('strings')[0]", |
michael@0 | 195 | TEST_STRING, |
michael@0 | 196 | eval("var s = new String( TEST_STRING ); s.split('strings')[0]") ); |
michael@0 | 197 | |
michael@0 | 198 | // case where the separator is at the end of the string |
michael@0 | 199 | TEST_STRING = "this is a string"; |
michael@0 | 200 | EXPECT_STRING = new Array( "this is a " ); |
michael@0 | 201 | new TestCase( SECTION, |
michael@0 | 202 | "var s = new String( " + TEST_STRING + " ); s.split('string').length", |
michael@0 | 203 | 2, |
michael@0 | 204 | eval("var s = new String( TEST_STRING ); s.split('string').length") ); |
michael@0 | 205 | |
michael@0 | 206 | for ( var i = 0; i < EXPECT_STRING.length; i++ ) { |
michael@0 | 207 | new TestCase( SECTION, |
michael@0 | 208 | "var s = new String( "+TEST_STRING+" ); s.split('string')["+i+"]", |
michael@0 | 209 | EXPECT_STRING[i], |
michael@0 | 210 | eval("var s = new String( TEST_STRING ); s.split('string')["+i+"]") ); |
michael@0 | 211 | } |
michael@0 | 212 | |
michael@0 | 213 | test(); |