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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 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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495 assertEquals("xyz", res[0]); | 495 assertEquals("xyz", res[0]); |
496 assertEquals("y", res[1]); | 496 assertEquals("y", res[1]); |
497 assertEquals(1, res.index); | 497 assertEquals(1, res.index); |
498 assertEquals("axyzb", res.input); | 498 assertEquals("axyzb", res.input); |
499 assertEquals(undefined, res.foobar); | 499 assertEquals(undefined, res.foobar); |
500 | 500 |
501 res.foobar = "Arglebargle"; | 501 res.foobar = "Arglebargle"; |
502 res[3] = "Glopglyf"; | 502 res[3] = "Glopglyf"; |
503 assertEquals("Arglebargle", res.foobar); | 503 assertEquals("Arglebargle", res.foobar); |
504 } | 504 } |
| 505 |
| 506 // Test that we perform the spec required conversions in the correct order. |
| 507 var log; |
| 508 var string = "the string"; |
| 509 var fakeLastIndex = { |
| 510 valueOf: function() { |
| 511 log.push("li"); |
| 512 return 0; |
| 513 } |
| 514 }; |
| 515 var fakeString = { |
| 516 toString: function() { |
| 517 log.push("ts"); |
| 518 return string; |
| 519 }, |
| 520 length: 0 |
| 521 }; |
| 522 |
| 523 var re = /str/; |
| 524 log = []; |
| 525 re.lastIndex = fakeLastIndex; |
| 526 var result = re.exec(fakeString); |
| 527 assertEquals(["str"], result); |
| 528 assertEquals(["ts", "li"], log); |
| 529 |
| 530 // Again, to check if caching interferes. |
| 531 log = []; |
| 532 re.lastIndex = fakeLastIndex; |
| 533 result = re.exec(fakeString); |
| 534 assertEquals(["str"], result); |
| 535 assertEquals(["ts", "li"], log); |
| 536 |
| 537 // And one more time, just to be certain. |
| 538 log = []; |
| 539 re.lastIndex = fakeLastIndex; |
| 540 result = re.exec(fakeString); |
| 541 assertEquals(["str"], result); |
| 542 assertEquals(["ts", "li"], log); |
| 543 |
| 544 // Now with a global regexp, where lastIndex is actually used. |
| 545 re = /str/g; |
| 546 log = []; |
| 547 re.lastIndex = fakeLastIndex; |
| 548 var result = re.exec(fakeString); |
| 549 assertEquals(["str"], result); |
| 550 assertEquals(["ts", "li"], log); |
| 551 |
| 552 // Again, to check if caching interferes. |
| 553 log = []; |
| 554 re.lastIndex = fakeLastIndex; |
| 555 result = re.exec(fakeString); |
| 556 assertEquals(["str"], result); |
| 557 assertEquals(["ts", "li"], log); |
| 558 |
| 559 // And one more time, just to be certain. |
| 560 log = []; |
| 561 re.lastIndex = fakeLastIndex; |
| 562 result = re.exec(fakeString); |
| 563 assertEquals(["str"], result); |
| 564 assertEquals(["ts", "li"], log); |
| 565 |
| 566 |
| 567 // Check that properties of RegExp have the correct permissions. |
| 568 var re = /x/g; |
| 569 var desc = Object.getOwnPropertyDescriptor(re, "global"); |
| 570 assertEquals(true, desc.value); |
| 571 assertEquals(false, desc.configurable); |
| 572 assertEquals(false, desc.enumerable); |
| 573 assertEquals(false, desc.writable); |
| 574 |
| 575 desc = Object.getOwnPropertyDescriptor(re, "multiline"); |
| 576 assertEquals(false, desc.value); |
| 577 assertEquals(false, desc.configurable); |
| 578 assertEquals(false, desc.enumerable); |
| 579 assertEquals(false, desc.writable); |
| 580 |
| 581 desc = Object.getOwnPropertyDescriptor(re, "ignoreCase"); |
| 582 assertEquals(false, desc.value); |
| 583 assertEquals(false, desc.configurable); |
| 584 assertEquals(false, desc.enumerable); |
| 585 assertEquals(false, desc.writable); |
| 586 |
| 587 desc = Object.getOwnPropertyDescriptor(re, "lastIndex"); |
| 588 assertEquals(0, desc.value); |
| 589 assertEquals(false, desc.configurable); |
| 590 assertEquals(false, desc.enumerable); |
| 591 assertEquals(true, desc.writable); |
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