Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame^] | 1 | // Copyright 2011 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 | var should_throw_on_null_and_undefined = |
| 30 | [Object.prototype.toLocaleString, |
| 31 | Object.prototype.valueOf, |
| 32 | Object.prototype.hasOwnProperty, |
| 33 | Object.prototype.isPrototypeOf, |
| 34 | Object.prototype.propertyIsEnumerable, |
| 35 | Array.prototype.concat, |
| 36 | Array.prototype.join, |
| 37 | Array.prototype.pop, |
| 38 | Array.prototype.push, |
| 39 | Array.prototype.reverse, |
| 40 | Array.prototype.shift, |
| 41 | Array.prototype.slice, |
| 42 | Array.prototype.sort, |
| 43 | Array.prototype.splice, |
| 44 | Array.prototype.unshift, |
| 45 | Array.prototype.indexOf, |
| 46 | Array.prototype.lastIndexOf, |
| 47 | Array.prototype.every, |
| 48 | Array.prototype.some, |
| 49 | Array.prototype.forEach, |
| 50 | Array.prototype.map, |
| 51 | Array.prototype.filter, |
| 52 | Array.prototype.reduce, |
| 53 | Array.prototype.reduceRight, |
| 54 | String.prototype.charAt, |
| 55 | String.prototype.charCodeAt, |
| 56 | String.prototype.concat, |
| 57 | String.prototype.indexOf, |
| 58 | String.prototype.lastIndexOf, |
| 59 | String.prototype.localeCompare, |
| 60 | String.prototype.match, |
| 61 | String.prototype.replace, |
| 62 | String.prototype.search, |
| 63 | String.prototype.slice, |
| 64 | String.prototype.split, |
| 65 | String.prototype.substring, |
| 66 | String.prototype.toLowerCase, |
| 67 | String.prototype.toLocaleLowerCase, |
| 68 | String.prototype.toUpperCase, |
| 69 | String.prototype.toLocaleUpperCase, |
| 70 | String.prototype.trim, |
| 71 | Number.prototype.toLocaleString, |
| 72 | Error.prototype.toString]; |
| 73 | |
| 74 | // Non generic natives do not work on any input other than the specific |
| 75 | // type, but since this change will allow call to be invoked with undefined |
| 76 | // or null as this we still explicitly test that we throw on these here. |
| 77 | var non_generic = |
| 78 | [Array.prototype.toString, |
| 79 | Array.prototype.toLocaleString, |
| 80 | Function.prototype.toString, |
| 81 | Function.prototype.call, |
| 82 | Function.prototype.apply, |
| 83 | String.prototype.toString, |
| 84 | String.prototype.valueOf, |
| 85 | Boolean.prototype.toString, |
| 86 | Boolean.prototype.valueOf, |
| 87 | Number.prototype.toString, |
| 88 | Number.prototype.valueOf, |
| 89 | Number.prototype.toFixed, |
| 90 | Number.prototype.toExponential, |
| 91 | Number.prototype.toPrecision, |
| 92 | Date.prototype.toString, |
| 93 | Date.prototype.toDateString, |
| 94 | Date.prototype.toTimeString, |
| 95 | Date.prototype.toLocaleString, |
| 96 | Date.prototype.toLocaleDateString, |
| 97 | Date.prototype.toLocaleTimeString, |
| 98 | Date.prototype.valueOf, |
| 99 | Date.prototype.getTime, |
| 100 | Date.prototype.getFullYear, |
| 101 | Date.prototype.getUTCFullYear, |
| 102 | Date.prototype.getMonth, |
| 103 | Date.prototype.getUTCMonth, |
| 104 | Date.prototype.getDate, |
| 105 | Date.prototype.getUTCDate, |
| 106 | Date.prototype.getDay, |
| 107 | Date.prototype.getUTCDay, |
| 108 | Date.prototype.getHours, |
| 109 | Date.prototype.getUTCHours, |
| 110 | Date.prototype.getMinutes, |
| 111 | Date.prototype.getUTCMinutes, |
| 112 | Date.prototype.getSeconds, |
| 113 | Date.prototype.getUTCSeconds, |
| 114 | Date.prototype.getMilliseconds, |
| 115 | Date.prototype.getUTCMilliseconds, |
| 116 | Date.prototype.getTimezoneOffset, |
| 117 | Date.prototype.setTime, |
| 118 | Date.prototype.setMilliseconds, |
| 119 | Date.prototype.setUTCMilliseconds, |
| 120 | Date.prototype.setSeconds, |
| 121 | Date.prototype.setUTCSeconds, |
| 122 | Date.prototype.setMinutes, |
| 123 | Date.prototype.setUTCMinutes, |
| 124 | Date.prototype.setHours, |
| 125 | Date.prototype.setUTCHours, |
| 126 | Date.prototype.setDate, |
| 127 | Date.prototype.setUTCDate, |
| 128 | Date.prototype.setMonth, |
| 129 | Date.prototype.setUTCMonth, |
| 130 | Date.prototype.setFullYear, |
| 131 | Date.prototype.setUTCFullYear, |
| 132 | Date.prototype.toUTCString, |
| 133 | Date.prototype.toISOString, |
| 134 | Date.prototype.toJSON, |
| 135 | RegExp.prototype.exec, |
| 136 | RegExp.prototype.test, |
| 137 | RegExp.prototype.toString]; |
| 138 | |
| 139 | |
| 140 | // Mapping functions. |
| 141 | var mapping_functions = |
| 142 | [Array.prototype.every, |
| 143 | Array.prototype.some, |
| 144 | Array.prototype.forEach, |
| 145 | Array.prototype.map, |
| 146 | Array.prototype.filter]; |
| 147 | |
| 148 | // Reduce functions. |
| 149 | var reducing_functions = |
| 150 | [Array.prototype.reduce, |
| 151 | Array.prototype.reduceRight]; |
| 152 | |
| 153 | // Test that all natives using the ToObject call throw the right exception. |
| 154 | for (var i = 0; i < should_throw_on_null_and_undefined.length; i++) { |
| 155 | // Sanity check that all functions are correct |
| 156 | assertEquals(typeof(should_throw_on_null_and_undefined[i]), "function"); |
| 157 | |
| 158 | try { |
| 159 | // We call all functions with no parameters, which means that essential |
| 160 | // parameters will have the undefined value. |
| 161 | // The test for whether the "this" value is null or undefined is always |
| 162 | // performed before access to the other parameters, so even if the |
| 163 | // undefined value is an invalid argument value, it mustn't change |
| 164 | // the result of the test. |
| 165 | should_throw_on_null_and_undefined[i].call(null); |
| 166 | assertUnreachable(); |
| 167 | } catch (e) { |
| 168 | assertTrue("called_on_null_or_undefined" == e.type || |
| 169 | "null_to_object" == e.type); |
| 170 | } |
| 171 | |
| 172 | try { |
| 173 | should_throw_on_null_and_undefined[i].call(undefined); |
| 174 | assertUnreachable(); |
| 175 | } catch (e) { |
| 176 | assertTrue("called_on_null_or_undefined" == e.type || |
| 177 | "null_to_object" == e.type); |
| 178 | } |
| 179 | |
| 180 | try { |
| 181 | should_throw_on_null_and_undefined[i].apply(null); |
| 182 | assertUnreachable(); |
| 183 | } catch (e) { |
| 184 | assertTrue("called_on_null_or_undefined" == e.type || |
| 185 | "null_to_object" == e.type); |
| 186 | } |
| 187 | |
| 188 | try { |
| 189 | should_throw_on_null_and_undefined[i].apply(undefined); |
| 190 | assertUnreachable(); |
| 191 | } catch (e) { |
| 192 | assertTrue("called_on_null_or_undefined" == e.type || |
| 193 | "null_to_object" == e.type); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | // Test that all natives that are non generic throw on null and undefined. |
| 198 | for (var i = 0; i < non_generic.length; i++) { |
| 199 | // Sanity check that all functions are correct |
| 200 | assertEquals(typeof(non_generic[i]), "function"); |
| 201 | try { |
| 202 | non_generic[i].call(null); |
| 203 | assertUnreachable(); |
| 204 | } catch (e) { |
| 205 | assertTrue(e instanceof TypeError); |
| 206 | } |
| 207 | |
| 208 | try { |
| 209 | non_generic[i].call(null); |
| 210 | assertUnreachable(); |
| 211 | } catch (e) { |
| 212 | assertTrue(e instanceof TypeError); |
| 213 | } |
| 214 | |
| 215 | try { |
| 216 | non_generic[i].apply(null); |
| 217 | assertUnreachable(); |
| 218 | } catch (e) { |
| 219 | assertTrue(e instanceof TypeError); |
| 220 | } |
| 221 | |
| 222 | try { |
| 223 | non_generic[i].apply(null); |
| 224 | assertUnreachable(); |
| 225 | } catch (e) { |
| 226 | assertTrue(e instanceof TypeError); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | |
| 231 | // Test that we still throw when calling with thisArg null or undefined |
| 232 | // through an array mapping function. |
| 233 | var array = [1,2,3,4,5]; |
| 234 | for (var j = 0; j < mapping_functions.length; j++) { |
| 235 | for (var i = 0; i < should_throw_on_null_and_undefined.length; i++) { |
| 236 | try { |
| 237 | mapping_functions[j].call(array, |
| 238 | should_throw_on_null_and_undefined[i], |
| 239 | null); |
| 240 | assertUnreachable(); |
| 241 | } catch (e) { |
| 242 | assertTrue("called_on_null_or_undefined" == e.type || |
| 243 | "null_to_object" == e.type); |
| 244 | } |
| 245 | |
| 246 | try { |
| 247 | mapping_functions[j].call(array, |
| 248 | should_throw_on_null_and_undefined[i], |
| 249 | undefined); |
| 250 | assertUnreachable(); |
| 251 | } catch (e) { |
| 252 | assertTrue("called_on_null_or_undefined" == e.type || |
| 253 | "null_to_object" == e.type); |
| 254 | } |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | for (var j = 0; j < mapping_functions.length; j++) { |
| 259 | for (var i = 0; i < non_generic.length; i++) { |
| 260 | try { |
| 261 | mapping_functions[j].call(array, |
| 262 | non_generic[i], |
| 263 | null); |
| 264 | assertUnreachable(); |
| 265 | } catch (e) { |
| 266 | assertTrue(e instanceof TypeError); |
| 267 | } |
| 268 | |
| 269 | try { |
| 270 | mapping_functions[j].call(array, |
| 271 | non_generic[i], |
| 272 | undefined); |
| 273 | assertUnreachable(); |
| 274 | } catch (e) { |
| 275 | assertTrue(e instanceof TypeError); |
| 276 | } |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | |
| 281 | // Reduce functions do a call with null as this argument. |
| 282 | for (var j = 0; j < reducing_functions.length; j++) { |
| 283 | for (var i = 0; i < should_throw_on_null_and_undefined.length; i++) { |
| 284 | try { |
| 285 | reducing_functions[j].call(array, should_throw_on_null_and_undefined[i]); |
| 286 | assertUnreachable(); |
| 287 | } catch (e) { |
| 288 | assertTrue("called_on_null_or_undefined" == e.type || |
| 289 | "null_to_object" == e.type); |
| 290 | } |
| 291 | |
| 292 | try { |
| 293 | reducing_functions[j].call(array, should_throw_on_null_and_undefined[i]); |
| 294 | assertUnreachable(); |
| 295 | } catch (e) { |
| 296 | assertTrue("called_on_null_or_undefined" == e.type || |
| 297 | "null_to_object" == e.type); |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | for (var j = 0; j < reducing_functions.length; j++) { |
| 303 | for (var i = 0; i < non_generic.length; i++) { |
| 304 | try { |
| 305 | reducing_functions[j].call(array, non_generic[i]); |
| 306 | assertUnreachable(); |
| 307 | } catch (e) { |
| 308 | assertTrue(e instanceof TypeError); |
| 309 | } |
| 310 | |
| 311 | try { |
| 312 | reducing_functions[j].call(array, non_generic[i]); |
| 313 | assertUnreachable(); |
| 314 | } catch (e) { |
| 315 | assertTrue(e instanceof TypeError); |
| 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | |
| 321 | // Object.prototype.toString() |
| 322 | assertEquals(Object.prototype.toString.call(null), |
| 323 | '[object Null]') |
| 324 | |
| 325 | assertEquals(Object.prototype.toString.call(undefined), |
| 326 | '[object Undefined]') |