Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 5 | // TODO(neis): Test with proxies. |
| 6 | |
| 7 | |
| 8 | |
| 9 | //////////////////////////////////////////////////////////////////////////////// |
| 10 | // (Auxiliaries) |
| 11 | |
| 12 | |
| 13 | "use strict"; |
| 14 | |
| 15 | var global = this; |
| 16 | |
| 17 | var sym = Symbol("gaga"); |
| 18 | |
| 19 | var objects = [ |
| 20 | {}, |
| 21 | [], |
| 22 | function() {}, |
| 23 | function() { |
| 24 | return arguments; |
| 25 | }(), |
| 26 | function() { |
| 27 | 'use strict'; |
| 28 | return arguments; |
| 29 | }(), |
| 30 | Object(1), |
| 31 | Object(true), |
| 32 | Object('bla'), |
| 33 | new Date, |
| 34 | new RegExp, |
| 35 | new Set, |
| 36 | new Map, |
| 37 | new WeakMap, |
| 38 | new WeakSet, |
| 39 | new ArrayBuffer(10), |
| 40 | new Int32Array(5), |
| 41 | Object, |
| 42 | Function, |
| 43 | Date, |
| 44 | RegExp, |
| 45 | global |
| 46 | ]; |
| 47 | |
| 48 | function prepare(target) { |
| 49 | target["bla"] = true; |
| 50 | target[4] = 42; |
| 51 | target[sym] = "foo"; |
| 52 | target["noconf"] = 43; |
| 53 | Object.defineProperty(target, "noconf", |
| 54 | { configurable: false }); |
| 55 | Object.defineProperty(target, "nowrite", |
| 56 | { writable: false, configurable: true, value: 44 }); |
| 57 | Object.defineProperty(target, "getter", |
| 58 | { get: function () {return this.bla}, configurable: true }); |
| 59 | Object.defineProperty(target, "setter", |
| 60 | { set: function (x) {this.gaga = x}, configurable: true }); |
| 61 | Object.defineProperty(target, "setter2", |
| 62 | { set: function (x) {}, configurable: true }); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | |
| 67 | //////////////////////////////////////////////////////////////////////////////// |
| 68 | // Reflect.get |
| 69 | |
| 70 | |
| 71 | (function testReflectGetArity() { |
| 72 | assertEquals(2, Reflect.get.length); |
| 73 | })(); |
| 74 | |
| 75 | |
| 76 | (function testReflectGetOnNonObject() { |
| 77 | assertThrows(function() { Reflect.get(); }, TypeError); |
| 78 | assertThrows(function() { Reflect.get(42, "bla"); }, TypeError); |
| 79 | assertThrows(function() { Reflect.get(null, "bla"); }, TypeError); |
| 80 | })(); |
| 81 | |
| 82 | |
| 83 | (function testReflectGetKeyConversion() { |
| 84 | var target = {bla: 42}; |
| 85 | var a = { [Symbol.toPrimitive]: function() { return "bla" } }; |
| 86 | var b = { [Symbol.toPrimitive]: function() { throw "gaga" } }; |
| 87 | assertEquals(42, Reflect.get(target, a)); |
| 88 | assertThrowsEquals(function() { Reflect.get(target, b); }, "gaga"); |
| 89 | })(); |
| 90 | |
| 91 | |
| 92 | (function testReflectGetOnObject() { |
| 93 | var receiver = {bla: false}; |
| 94 | for (let target of objects) { |
| 95 | prepare(target); |
| 96 | assertEquals(true, Reflect.get(target, "bla")); |
| 97 | assertEquals(true, Reflect.get(target, "bla", target)); |
| 98 | assertEquals(true, Reflect.get(target, "bla", receiver)); |
| 99 | assertEquals(42, Reflect.get(target, 4)); |
| 100 | assertEquals(42, Reflect.get(target, 4, target)); |
| 101 | assertEquals(42, Reflect.get(target, 4, receiver)); |
| 102 | assertEquals(42, Reflect.get(target, "4")); |
| 103 | assertEquals(42, Reflect.get(target, "4", target)); |
| 104 | assertEquals(42, Reflect.get(target, "4", receiver)); |
| 105 | assertEquals("foo", Reflect.get(target, sym)); |
| 106 | assertEquals("foo", Reflect.get(target, sym, target)); |
| 107 | assertEquals("foo", Reflect.get(target, sym, receiver)); |
| 108 | assertEquals(43, Reflect.get(target, "noconf")); |
| 109 | assertEquals(43, Reflect.get(target, "noconf", target)); |
| 110 | assertEquals(43, Reflect.get(target, "noconf", receiver)); |
| 111 | assertEquals(true, Reflect.get(target, "getter")); |
| 112 | assertEquals(true, Reflect.get(target, "getter", target)); |
| 113 | assertEquals(false, Reflect.get(target, "getter", receiver)); |
| 114 | assertEquals(undefined, Reflect.get(target, "setter")); |
| 115 | assertEquals(undefined, Reflect.get(target, "setter", target)); |
| 116 | assertEquals(undefined, Reflect.get(target, "setter", receiver)); |
| 117 | assertEquals(undefined, Reflect.get(target, "foo")); |
| 118 | assertEquals(undefined, Reflect.get(target, "foo", target)); |
| 119 | assertEquals(undefined, Reflect.get(target, "foo", receiver)); |
| 120 | assertEquals(undefined, Reflect.get(target, 666)); |
| 121 | assertEquals(undefined, Reflect.get(target, 666, target)); |
| 122 | assertEquals(undefined, Reflect.get(target, 666, receiver)); |
| 123 | |
| 124 | let proto = target.__proto__; |
| 125 | target.__proto__ = { get foo() {return this.bla} }; |
| 126 | assertEquals(true, Reflect.get(target, "foo")); |
| 127 | assertEquals(true, Reflect.get(target, "foo", target)); |
| 128 | assertEquals(false, Reflect.get(target, "foo", receiver)); |
| 129 | target.__proto__ = proto; |
| 130 | } |
| 131 | })(); |
| 132 | |
| 133 | |
| 134 | |
| 135 | //////////////////////////////////////////////////////////////////////////////// |
| 136 | // Reflect.set |
| 137 | |
| 138 | |
| 139 | (function testReflectSetArity() { |
| 140 | assertEquals(3, Reflect.set.length); |
| 141 | })(); |
| 142 | |
| 143 | |
| 144 | (function testReflectSetOnNonObject() { |
| 145 | assertThrows(function() { Reflect.set(); }, TypeError); |
| 146 | assertThrows(function() { Reflect.set(42, "bla"); }, TypeError); |
| 147 | assertThrows(function() { Reflect.set(null, "bla"); }, TypeError); |
| 148 | })(); |
| 149 | |
| 150 | |
| 151 | (function testReflectSetKeyConversion() { |
| 152 | var target = {}; |
| 153 | var a = { [Symbol.toPrimitive]: function() { return "bla" } }; |
| 154 | var b = { [Symbol.toPrimitive]: function() { throw "gaga" } }; |
| 155 | assertTrue(Reflect.set(target, a, 42)); |
| 156 | assertEquals(42, target.bla); |
| 157 | assertThrowsEquals(function() { Reflect.set(target, b, 42); }, "gaga"); |
| 158 | })(); |
| 159 | |
| 160 | |
| 161 | (function testReflectSetOnObject() { |
| 162 | var receiver = {bla: false}; |
| 163 | var value = 34234; |
| 164 | for (let target of objects) { |
| 165 | prepare(target); |
| 166 | assertTrue(Reflect.set(target, "bla", value)); |
| 167 | assertEquals(value, target.bla); |
| 168 | |
| 169 | prepare(target); |
| 170 | assertTrue(Reflect.set(target, "bla", value, target)); |
| 171 | assertEquals(value, target.bla); |
| 172 | |
| 173 | prepare(target); |
| 174 | assertTrue(Reflect.set(target, "bla", value, receiver)); |
| 175 | assertEquals(true, target.bla); |
| 176 | assertEquals(value, receiver.bla); |
| 177 | receiver.bla = false; |
| 178 | |
| 179 | prepare(target); |
| 180 | assertTrue(Reflect.set(target, 4, value)); |
| 181 | assertEquals(value, target[4]); |
| 182 | |
| 183 | prepare(target); |
| 184 | assertTrue(Reflect.set(target, 4, value, target)); |
| 185 | assertEquals(value, target[4]); |
| 186 | |
| 187 | prepare(target); |
| 188 | assertTrue(Reflect.set(target, 4, value, receiver)); |
| 189 | assertEquals(42, target[4]); |
| 190 | assertEquals(value, receiver[4]); |
| 191 | delete receiver[4]; |
| 192 | |
| 193 | prepare(target); |
| 194 | assertTrue(Reflect.set(target, sym, value)); |
| 195 | assertEquals(value, target[sym]); |
| 196 | |
| 197 | prepare(target); |
| 198 | assertTrue(Reflect.set(target, sym, value, target)); |
| 199 | assertEquals(value, target[sym]); |
| 200 | |
| 201 | prepare(target); |
| 202 | assertTrue(Reflect.set(target, sym, value, receiver)); |
| 203 | assertEquals("foo", target[sym]); |
| 204 | assertEquals(value, receiver[sym]); |
| 205 | delete receiver[sym]; |
| 206 | |
| 207 | prepare(target); |
| 208 | assertTrue(Reflect.set(target, "noconf", value)); |
| 209 | assertEquals(value, target.noconf); |
| 210 | |
| 211 | prepare(target); |
| 212 | assertTrue(Reflect.set(target, "noconf", value, target)); |
| 213 | assertEquals(value, target.noconf); |
| 214 | |
| 215 | prepare(target); |
| 216 | assertTrue(Reflect.set(target, "noconf", value, receiver)); |
| 217 | assertEquals(43, target.noconf); |
| 218 | assertEquals(value, receiver.noconf); |
| 219 | delete receiver.noconf; |
| 220 | |
| 221 | assertTrue(Reflect.set(target, "setter", value)); |
| 222 | assertEquals(value, target.gaga) |
| 223 | delete target.gaga; |
| 224 | |
| 225 | assertTrue(Reflect.set(target, "setter", value, target)); |
| 226 | assertEquals(value, target.gaga) |
| 227 | delete target.gaga; |
| 228 | |
| 229 | assertTrue(Reflect.set(target, "setter", value, receiver)); |
| 230 | assertFalse("gaga" in target); |
| 231 | assertEquals(value, receiver.gaga); |
| 232 | delete receiver.gaga; |
| 233 | |
| 234 | assertFalse(Reflect.set(target, "nowrite", value)); |
| 235 | assertEquals(44, target.nowrite); |
| 236 | |
| 237 | assertFalse(Reflect.set(target, "nowrite", value, target)); |
| 238 | assertEquals(44, target.nowrite); |
| 239 | |
| 240 | assertFalse(Reflect.set(target, "nowrite", value, receiver)); |
| 241 | assertEquals(44, target.nowrite); |
| 242 | assertFalse("nowrite" in receiver); |
| 243 | |
| 244 | // Data vs Non-Writable |
| 245 | assertFalse(Reflect.set({}, "nowrite", value, target)); |
| 246 | |
| 247 | // Data vs Accessor |
| 248 | assertFalse(Reflect.set({}, "unknown", 0, {set unknown(x) {}})); |
| 249 | assertFalse(Reflect.set(target, "unknown", value, {set unknown(x) {}})); |
| 250 | assertFalse(Reflect.set(target, "bla", value, {set bla(x) {}})); |
| 251 | assertFalse(Reflect.set(target, "bla", value, {get bla() {}})); |
| 252 | |
| 253 | // Accessor vs Data |
| 254 | assertTrue(Reflect.set({set bla(x) {}}), "bla", value, target); |
| 255 | assertFalse(Reflect.set({get bla() {}}, "bla", value, target)); |
| 256 | |
| 257 | // Data vs Non-Object |
| 258 | assertFalse(Reflect.set({}, "bla", value, null)); |
| 259 | assertFalse(Reflect.set({bla: 42}, "bla", value, null)); |
| 260 | |
| 261 | // Accessor vs Non-Object |
| 262 | assertTrue(Reflect.set(target, "setter2", value, null)); |
| 263 | assertFalse(Reflect.set(target, "getter", value, null)); |
| 264 | |
| 265 | let receiver2 = {}; |
| 266 | Object.defineProperty(receiver2, "bla", |
| 267 | {configurable: false, writable: true, value: true}); |
| 268 | Object.defineProperty(receiver2, "not_in_target", |
| 269 | {configurable: false, writable: true, value: true}); |
| 270 | assertTrue(Reflect.set(target, "bla", value, receiver2)); |
| 271 | assertTrue(Reflect.set(target, "not_in_target", value, receiver2)); |
| 272 | } |
| 273 | })(); |
| 274 | |
| 275 | |
| 276 | |
| 277 | //////////////////////////////////////////////////////////////////////////////// |
| 278 | // Reflect.has |
| 279 | |
| 280 | |
| 281 | (function testReflectHasArity() { |
| 282 | assertEquals(2, Reflect.has.length); |
| 283 | })(); |
| 284 | |
| 285 | |
| 286 | (function testReflectHasOnNonObject() { |
| 287 | assertThrows(function() { Reflect.has(); }, TypeError); |
| 288 | assertThrows(function() { Reflect.has(42, "bla"); }, TypeError); |
| 289 | assertThrows(function() { Reflect.has(null, "bla"); }, TypeError); |
| 290 | })(); |
| 291 | |
| 292 | |
| 293 | (function testReflectHasKeyConversion() { |
| 294 | var target = {bla: 42}; |
| 295 | var a = { [Symbol.toPrimitive]: function() { return "bla" } }; |
| 296 | var b = { [Symbol.toPrimitive]: function() { throw "gaga" } }; |
| 297 | assertTrue(Reflect.has(target, a)); |
| 298 | assertThrowsEquals(function() { Reflect.has(target, b); }, "gaga"); |
| 299 | })(); |
| 300 | |
| 301 | |
| 302 | (function testReflectHasOnObject() { |
| 303 | for (let target of objects) { |
| 304 | prepare(target); |
| 305 | assertTrue(Reflect.has(target, "bla")); |
| 306 | assertTrue(Reflect.has(target, 4)); |
| 307 | assertTrue(Reflect.has(target, "4")); |
| 308 | assertTrue(Reflect.has(target, sym)); |
| 309 | assertTrue(Reflect.has(target, "noconf")); |
| 310 | assertTrue(Reflect.has(target, "getter")); |
| 311 | assertTrue(Reflect.has(target, "setter")); |
| 312 | assertFalse(Reflect.has(target, "foo")); |
| 313 | assertFalse(Reflect.has(target, 666)); |
| 314 | |
| 315 | let proto = target.__proto__; |
| 316 | target.__proto__ = { get foo() {return this.bla} }; |
| 317 | assertEquals(true, Reflect.has(target, "foo")); |
| 318 | target.__proto__ = proto; |
| 319 | } |
| 320 | })(); |
| 321 | |
| 322 | |
| 323 | |
| 324 | //////////////////////////////////////////////////////////////////////////////// |
| 325 | // Reflect.defineProperty |
| 326 | |
| 327 | |
| 328 | (function testReflectDefinePropertyArity() { |
| 329 | assertEquals(3, Reflect.defineProperty.length); |
| 330 | })(); |
| 331 | |
| 332 | |
| 333 | (function testReflectDefinePropertyOnNonObject() { |
| 334 | assertThrows(function() { Reflect.defineProperty(); }, TypeError); |
| 335 | assertThrows(function() { Reflect.defineProperty(42, "bla"); }, TypeError); |
| 336 | assertThrows(function() { Reflect.defineProperty(null, "bla"); }, TypeError); |
| 337 | assertThrows(function() { Reflect.defineProperty({}, "bla"); }, TypeError); |
| 338 | assertThrows(function() { Reflect.defineProperty({}, "bla", 42); }, |
| 339 | TypeError); |
| 340 | assertThrows(function() { Reflect.defineProperty({}, "bla", null); }, |
| 341 | TypeError); |
| 342 | })(); |
| 343 | |
| 344 | |
| 345 | (function testReflectDefinePropertyKeyConversion() { |
| 346 | var target = {}; |
| 347 | var a = { [Symbol.toPrimitive]: function() { return "bla" } }; |
| 348 | var b = { [Symbol.toPrimitive]: function() { throw "gaga" } }; |
| 349 | assertTrue(Reflect.defineProperty(target, a, {value: 42})); |
| 350 | assertEquals(target.bla, 42); |
| 351 | assertThrowsEquals(function() { Reflect.defineProperty(target, b); }, "gaga"); |
| 352 | })(); |
| 353 | |
| 354 | |
| 355 | // See reflect-define-property.js for further tests. |
| 356 | |
| 357 | |
| 358 | |
| 359 | //////////////////////////////////////////////////////////////////////////////// |
| 360 | // Reflect.deleteProperty |
| 361 | |
| 362 | |
| 363 | (function testReflectDeletePropertyArity() { |
| 364 | assertEquals(2, Reflect.deleteProperty.length); |
| 365 | })(); |
| 366 | |
| 367 | |
| 368 | (function testReflectDeletePropertyOnNonObject() { |
| 369 | assertThrows(function() { Reflect.deleteProperty(); }, TypeError); |
| 370 | assertThrows(function() { Reflect.deleteProperty(42, "bla"); }, TypeError); |
| 371 | assertThrows(function() { Reflect.deleteProperty(null, "bla"); }, TypeError); |
| 372 | })(); |
| 373 | |
| 374 | |
| 375 | (function testReflectDeletePropertyKeyConversion() { |
| 376 | var target = {bla: 42}; |
| 377 | var a = { [Symbol.toPrimitive]: function() { return "bla" } }; |
| 378 | var b = { [Symbol.toPrimitive]: function() { throw "gaga" } }; |
| 379 | assertTrue(Reflect.deleteProperty(target, a)); |
| 380 | assertThrowsEquals(function() { Reflect.deleteProperty(target, b); }, "gaga"); |
| 381 | })(); |
| 382 | |
| 383 | |
| 384 | (function testReflectDeletePropertyOnObject() { |
| 385 | for (let target of objects) { |
| 386 | prepare(target); |
| 387 | assertTrue(Reflect.deleteProperty(target, "bla")); |
| 388 | assertEquals(undefined, Object.getOwnPropertyDescriptor(target, "bla")); |
| 389 | if (target instanceof Int32Array) { |
| 390 | assertFalse(Reflect.deleteProperty(target, 4)); |
| 391 | } else { |
| 392 | assertTrue(Reflect.deleteProperty(target, 4)); |
| 393 | assertEquals(undefined, Object.getOwnPropertyDescriptor(target, 4)); |
| 394 | } |
| 395 | assertTrue(Reflect.deleteProperty(target, sym)); |
| 396 | assertEquals(undefined, Object.getOwnPropertyDescriptor(target, sym)); |
| 397 | assertFalse(Reflect.deleteProperty(target, "noconf")); |
| 398 | assertEquals(43, target.noconf); |
| 399 | assertTrue(Reflect.deleteProperty(target, "getter")); |
| 400 | assertTrue(Reflect.deleteProperty(target, "setter")); |
| 401 | assertTrue(Reflect.deleteProperty(target, "foo")); |
| 402 | assertTrue(Reflect.deleteProperty(target, 666)); |
| 403 | |
| 404 | let proto = target.__proto__; |
| 405 | target.__proto__ = { get foo() {return this.bla} }; |
| 406 | assertEquals(true, Reflect.deleteProperty(target, "foo")); |
| 407 | target.__proto__ = proto; |
| 408 | } |
| 409 | })(); |
| 410 | |
| 411 | |
| 412 | |
| 413 | //////////////////////////////////////////////////////////////////////////////// |
| 414 | // Reflect.getPrototypeOf |
| 415 | |
| 416 | |
| 417 | (function testReflectGetPrototypeOfArity() { |
| 418 | assertEquals(1, Reflect.getPrototypeOf.length); |
| 419 | })(); |
| 420 | |
| 421 | |
| 422 | (function testReflectGetPrototypeOnNonObject() { |
| 423 | assertThrows(function() { Reflect.getPrototypeOf(); }, TypeError); |
| 424 | assertThrows(function() { Reflect.getPrototypeOf(42); }, TypeError); |
| 425 | assertThrows(function() { Reflect.getPrototypeOf(null); }, TypeError); |
| 426 | })(); |
| 427 | |
| 428 | |
| 429 | // See reflect-get-prototype-of.js for further tests. |
| 430 | |
| 431 | |
| 432 | |
| 433 | //////////////////////////////////////////////////////////////////////////////// |
| 434 | // Reflect.setPrototypeOf |
| 435 | |
| 436 | |
| 437 | (function testReflectSetPrototypeOfArity() { |
| 438 | assertEquals(2, Reflect.setPrototypeOf.length); |
| 439 | })(); |
| 440 | |
| 441 | |
| 442 | (function testReflectSetPrototypeOfOnNonObject() { |
| 443 | assertThrows(function() { Reflect.setPrototypeOf(undefined, {}); }, |
| 444 | TypeError); |
| 445 | assertThrows(function() { Reflect.setPrototypeOf(42, {}); }, TypeError); |
| 446 | assertThrows(function() { Reflect.setPrototypeOf(null, {}); }, TypeError); |
| 447 | |
| 448 | assertThrows(function() { Reflect.setPrototypeOf({}, undefined); }, |
| 449 | TypeError); |
| 450 | assertThrows(function() { Reflect.setPrototypeOf({}, 42); }, TypeError); |
| 451 | assertTrue(Reflect.setPrototypeOf({}, null)); |
| 452 | })(); |
| 453 | |
| 454 | |
| 455 | // See reflect-set-prototype-of.js for further tests. |
| 456 | |
| 457 | |
| 458 | |
| 459 | //////////////////////////////////////////////////////////////////////////////// |
| 460 | // Reflect.isExtensible |
| 461 | |
| 462 | |
| 463 | (function testReflectIsExtensibleArity() { |
| 464 | assertEquals(1, Reflect.isExtensible.length); |
| 465 | })(); |
| 466 | |
| 467 | |
| 468 | (function testReflectIsExtensibleOnNonObject() { |
| 469 | assertThrows(function() { Reflect.isExtensible(); }, TypeError); |
| 470 | assertThrows(function() { Reflect.isExtensible(42); }, TypeError); |
| 471 | assertThrows(function() { Reflect.isExtensible(null); }, TypeError); |
| 472 | })(); |
| 473 | |
| 474 | |
| 475 | (function testReflectIsExtensibleOnObject() { |
| 476 | // This should be the last test on [objects] as it modifies them irreversibly. |
| 477 | for (let target of objects) { |
| 478 | prepare(target); |
| 479 | if (target instanceof Int32Array) continue; // issue v8:4460 |
| 480 | assertTrue(Reflect.isExtensible(target)); |
| 481 | Object.preventExtensions(target); |
| 482 | assertFalse(Reflect.isExtensible(target)); |
| 483 | } |
| 484 | })(); |
| 485 | |
| 486 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 487 | //////////////////////////////////////////////////////////////////////////////// |
| 488 | // Reflect.getOwnPropertyDescriptor |
| 489 | |
| 490 | |
| 491 | (function testReflectGetOwnPropertyDescriptorArity() { |
| 492 | assertEquals(2, Reflect.getOwnPropertyDescriptor.length); |
| 493 | })(); |
| 494 | |
| 495 | |
| 496 | (function testReflectGetOwnPropertyDescriptorOnNonObject() { |
| 497 | assertThrows(function() { Reflect.getOwnPropertyDescriptor(); }, TypeError); |
| 498 | assertThrows(function() { Reflect.getOwnPropertyDescriptor(42); }, |
| 499 | TypeError); |
| 500 | assertThrows(function() { Reflect.getOwnPropertyDescriptor(null); }, |
| 501 | TypeError); |
| 502 | })(); |
| 503 | |
| 504 | |
| 505 | (function testReflectGetOwnPropertyDescriptorKeyConversion() { |
| 506 | var target = {bla: 42}; |
| 507 | var a = { [Symbol.toPrimitive]: function() { return "bla" } }; |
| 508 | var b = { [Symbol.toPrimitive]: function() { throw "gaga" } }; |
| 509 | assertEquals(42, Reflect.getOwnPropertyDescriptor(target, a).value); |
| 510 | assertThrowsEquals(() => Reflect.getOwnPropertyDescriptor(target, b), "gaga"); |
| 511 | })(); |
| 512 | |
| 513 | |
| 514 | // See reflect-get-own-property-descriptor.js for further tests. |
| 515 | |
| 516 | |
| 517 | |
| 518 | //////////////////////////////////////////////////////////////////////////////// |
| 519 | // Reflect.ownKeys |
| 520 | |
| 521 | |
| 522 | (function testReflectOwnKeysArity() { |
| 523 | assertEquals(1, Reflect.ownKeys.length); |
| 524 | })(); |
| 525 | |
| 526 | |
| 527 | (function testReflectOwnKeysOnNonObject() { |
| 528 | assertThrows(function() { Reflect.ownKeys(); }, TypeError); |
| 529 | assertThrows(function() { Reflect.ownKeys(42); }, TypeError); |
| 530 | assertThrows(function() { Reflect.ownKeys(null); }, TypeError); |
| 531 | })(); |
| 532 | |
| 533 | |
| 534 | (function testReflectOwnKeysOnObject(){ |
| 535 | assertEquals(["z", "y", "x"], Reflect.ownKeys({z: 3, y: 2, x: 1})); |
| 536 | assertEquals(["length"], Reflect.ownKeys([])); |
| 537 | |
| 538 | var s1 = Symbol("foo"); |
| 539 | var s2 = Symbol("bar"); |
| 540 | var obj = { [s1]: 0, "bla": 0, 42: 0, "0": 0, |
| 541 | [s2]: 0, "-1": 0, "88": 0, "aaa": 0 }; |
| 542 | assertEquals(["0", "42", "88", "bla", "-1", "aaa", s1, s2], |
| 543 | Reflect.ownKeys(obj)); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 544 | // Force dict-mode elements. |
| 545 | delete obj[0]; |
| 546 | assertEquals(["42", "88", "bla", "-1", "aaa", s1, s2], |
| 547 | Reflect.ownKeys(obj)); |
| 548 | // Force dict-mode properties. |
| 549 | delete obj["bla"]; |
| 550 | assertEquals(["42", "88", "-1", "aaa", s1, s2], Reflect.ownKeys(obj)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 551 | })(); |
| 552 | |
| 553 | |
| 554 | // See reflect-own-keys.js for further tests. |
| 555 | |
| 556 | |
| 557 | |
| 558 | //////////////////////////////////////////////////////////////////////////////// |
| 559 | // Reflect.preventExtensions |
| 560 | |
| 561 | |
| 562 | (function testReflectPreventExtensionsArity() { |
| 563 | assertEquals(1, Reflect.preventExtensions.length); |
| 564 | })(); |
| 565 | |
| 566 | |
| 567 | (function testReflectPreventExtensionsOnNonObject() { |
| 568 | assertThrows(function() { Reflect.preventExtensions(); }, TypeError); |
| 569 | assertThrows(function() { Reflect.preventExtensions(42); }, TypeError); |
| 570 | assertThrows(function() { Reflect.preventExtensions(null); }, TypeError); |
| 571 | })(); |
| 572 | |
| 573 | |
| 574 | // See reflect-prevent-extensions.js for further tests. |
| 575 | |
| 576 | // TODO(neis): Need proxies to test the situation where |
| 577 | // [[preventExtensions]] returns false. |