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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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352 Object.observe(arr3, observer.callback); | 352 Object.observe(arr3, observer.callback); |
353 arr.length = 2; | 353 arr.length = 2; |
354 arr.length = 0; | 354 arr.length = 0; |
355 arr.length = 10; | 355 arr.length = 10; |
356 arr2.length = 0; | 356 arr2.length = 0; |
357 arr2.length = 1; // no change expected | 357 arr2.length = 1; // no change expected |
358 arr3.length = 0; | 358 arr3.length = 0; |
359 Object.defineProperty(arr3, 'length', {value: 5}); | 359 Object.defineProperty(arr3, 'length', {value: 5}); |
360 Object.defineProperty(arr3, 'length', {value: 10, writable: false}); | 360 Object.defineProperty(arr3, 'length', {value: 10, writable: false}); |
361 Object.deliverChangeRecords(observer.callback); | 361 Object.deliverChangeRecords(observer.callback); |
362 observer.records.forEach(function(r){print(JSON.stringify(r))}); | |
363 observer.assertCallbackRecords([ | 362 observer.assertCallbackRecords([ |
364 { object: arr, name: '3', type: 'deleted', oldValue: 'd' }, | 363 { object: arr, name: '3', type: 'deleted', oldValue: 'd' }, |
365 // TODO(adamk): oldValue should not be present below | 364 // TODO(adamk): oldValue should not be present below |
366 { object: arr, name: '2', type: 'deleted', oldValue: undefined }, | 365 { object: arr, name: '2', type: 'deleted', oldValue: undefined }, |
367 { object: arr, name: 'length', type: 'updated', oldValue: 4 }, | 366 { object: arr, name: 'length', type: 'updated', oldValue: 4 }, |
368 { object: arr, name: '1', type: 'deleted', oldValue: 'b' }, | 367 { object: arr, name: '1', type: 'deleted', oldValue: 'b' }, |
369 { object: arr, name: 'length', type: 'updated', oldValue: 2 }, | 368 { object: arr, name: 'length', type: 'updated', oldValue: 2 }, |
370 { object: arr, name: 'length', type: 'updated', oldValue: 1 }, | 369 { object: arr, name: 'length', type: 'updated', oldValue: 1 }, |
371 { object: arr2, name: '1', type: 'deleted', oldValue: 'beta' }, | 370 { object: arr2, name: '1', type: 'deleted', oldValue: 'beta' }, |
372 { object: arr2, name: 'length', type: 'updated', oldValue: 2 }, | 371 { object: arr2, name: 'length', type: 'updated', oldValue: 2 }, |
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424 { object: arr, name: '3', type: 'new' }, | 423 { object: arr, name: '3', type: 'new' }, |
425 { object: arr, name: 'length', type: 'updated', oldValue: 3 }, | 424 { object: arr, name: 'length', type: 'updated', oldValue: 3 }, |
426 { object: arr, name: '100', type: 'new' }, | 425 { object: arr, name: '100', type: 'new' }, |
427 { object: arr, name: 'length', type: 'updated', oldValue: 4 }, | 426 { object: arr, name: 'length', type: 'updated', oldValue: 4 }, |
428 { object: arr, name: '200', type: 'new' }, | 427 { object: arr, name: '200', type: 'new' }, |
429 { object: arr, name: 'length', type: 'updated', oldValue: 101 }, | 428 { object: arr, name: 'length', type: 'updated', oldValue: 101 }, |
430 { object: arr, name: '400', type: 'new' }, | 429 { object: arr, name: '400', type: 'new' }, |
431 { object: arr, name: 'length', type: 'updated', oldValue: 201 }, | 430 { object: arr, name: 'length', type: 'updated', oldValue: 201 }, |
432 { object: arr, name: '50', type: 'new' }, | 431 { object: arr, name: '50', type: 'new' }, |
433 ]); | 432 ]); |
| 433 |
| 434 // Tests for array methods, first on arrays and then on plain objects |
| 435 // |
| 436 // === ARRAYS === |
| 437 // |
| 438 // Push |
| 439 reset(); |
| 440 var array = [1, 2]; |
| 441 Object.observe(array, observer.callback); |
| 442 array.push(3, 4); |
| 443 Object.deliverChangeRecords(observer.callback); |
| 444 observer.assertCallbackRecords([ |
| 445 { object: array, name: '2', type: 'new' }, |
| 446 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 447 { object: array, name: '3', type: 'new' }, |
| 448 { object: array, name: 'length', type: 'updated', oldValue: 3 }, |
| 449 ]); |
| 450 |
| 451 // Pop |
| 452 reset(); |
| 453 var array = [1, 2]; |
| 454 Object.observe(array, observer.callback); |
| 455 array.pop(); |
| 456 array.pop(); |
| 457 Object.deliverChangeRecords(observer.callback); |
| 458 observer.assertCallbackRecords([ |
| 459 { object: array, name: '1', type: 'deleted', oldValue: 2 }, |
| 460 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 461 { object: array, name: '0', type: 'deleted', oldValue: 1 }, |
| 462 { object: array, name: 'length', type: 'updated', oldValue: 1 }, |
| 463 ]); |
| 464 |
| 465 // Shift |
| 466 reset(); |
| 467 var array = [1, 2]; |
| 468 Object.observe(array, observer.callback); |
| 469 array.shift(); |
| 470 array.shift(); |
| 471 Object.deliverChangeRecords(observer.callback); |
| 472 observer.assertCallbackRecords([ |
| 473 { object: array, name: '0', type: 'updated', oldValue: 1 }, |
| 474 { object: array, name: '1', type: 'deleted', oldValue: 2 }, |
| 475 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 476 { object: array, name: '0', type: 'deleted', oldValue: 2 }, |
| 477 { object: array, name: 'length', type: 'updated', oldValue: 1 }, |
| 478 ]); |
| 479 |
| 480 // Unshift |
| 481 reset(); |
| 482 var array = [1, 2]; |
| 483 Object.observe(array, observer.callback); |
| 484 array.unshift(3, 4); |
| 485 Object.deliverChangeRecords(observer.callback); |
| 486 observer.assertCallbackRecords([ |
| 487 { object: array, name: '3', type: 'new' }, |
| 488 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 489 { object: array, name: '2', type: 'new' }, |
| 490 { object: array, name: '0', type: 'updated', oldValue: 1 }, |
| 491 { object: array, name: '1', type: 'updated', oldValue: 2 }, |
| 492 ]); |
| 493 |
| 494 // Splice |
| 495 reset(); |
| 496 var array = [1, 2, 3]; |
| 497 Object.observe(array, observer.callback); |
| 498 array.splice(1, 1, 4, 5); |
| 499 Object.deliverChangeRecords(observer.callback); |
| 500 observer.assertCallbackRecords([ |
| 501 { object: array, name: '3', type: 'new' }, |
| 502 { object: array, name: 'length', type: 'updated', oldValue: 3 }, |
| 503 { object: array, name: '1', type: 'updated', oldValue: 2 }, |
| 504 { object: array, name: '2', type: 'updated', oldValue: 3 }, |
| 505 ]); |
| 506 |
| 507 // |
| 508 // === PLAIN OBJECTS === |
| 509 // |
| 510 // Push |
| 511 reset() |
| 512 var array = {0: 1, 1: 2, length: 2} |
| 513 Object.observe(array, observer.callback); |
| 514 Array.prototype.push.call(array, 3, 4); |
| 515 Object.deliverChangeRecords(observer.callback); |
| 516 observer.assertCallbackRecords([ |
| 517 { object: array, name: '2', type: 'new' }, |
| 518 { object: array, name: '3', type: 'new' }, |
| 519 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 520 ]); |
| 521 |
| 522 // Pop |
| 523 reset() |
| 524 var array = {0: 1, 1: 2, length: 2}; |
| 525 Object.observe(array, observer.callback); |
| 526 Array.prototype.pop.call(array); |
| 527 Array.prototype.pop.call(array); |
| 528 Object.deliverChangeRecords(observer.callback); |
| 529 observer.assertCallbackRecords([ |
| 530 { object: array, name: '1', type: 'deleted', oldValue: 2 }, |
| 531 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 532 { object: array, name: '0', type: 'deleted', oldValue: 1 }, |
| 533 { object: array, name: 'length', type: 'updated', oldValue: 1 }, |
| 534 ]); |
| 535 |
| 536 // Shift |
| 537 reset() |
| 538 var array = {0: 1, 1: 2, length: 2}; |
| 539 Object.observe(array, observer.callback); |
| 540 Array.prototype.shift.call(array); |
| 541 Array.prototype.shift.call(array); |
| 542 Object.deliverChangeRecords(observer.callback); |
| 543 observer.assertCallbackRecords([ |
| 544 { object: array, name: '0', type: 'updated', oldValue: 1 }, |
| 545 { object: array, name: '1', type: 'deleted', oldValue: 2 }, |
| 546 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 547 { object: array, name: '0', type: 'deleted', oldValue: 2 }, |
| 548 { object: array, name: 'length', type: 'updated', oldValue: 1 }, |
| 549 ]); |
| 550 |
| 551 // Unshift |
| 552 reset() |
| 553 var array = {0: 1, 1: 2, length: 2}; |
| 554 Object.observe(array, observer.callback); |
| 555 Array.prototype.unshift.call(array, 3, 4); |
| 556 Object.deliverChangeRecords(observer.callback); |
| 557 observer.assertCallbackRecords([ |
| 558 { object: array, name: '3', type: 'new' }, |
| 559 { object: array, name: '2', type: 'new' }, |
| 560 { object: array, name: '0', type: 'updated', oldValue: 1 }, |
| 561 { object: array, name: '1', type: 'updated', oldValue: 2 }, |
| 562 { object: array, name: 'length', type: 'updated', oldValue: 2 }, |
| 563 ]); |
| 564 |
| 565 // Splice |
| 566 reset() |
| 567 var array = {0: 1, 1: 2, 2: 3, length: 3}; |
| 568 Object.observe(array, observer.callback); |
| 569 Array.prototype.splice.call(array, 1, 1, 4, 5); |
| 570 Object.deliverChangeRecords(observer.callback); |
| 571 observer.assertCallbackRecords([ |
| 572 { object: array, name: '3', type: 'new' }, |
| 573 { object: array, name: '1', type: 'updated', oldValue: 2 }, |
| 574 { object: array, name: '2', type: 'updated', oldValue: 3 }, |
| 575 { object: array, name: 'length', type: 'updated', oldValue: 3 }, |
| 576 ]); |
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