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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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557 return string; | 557 return string; |
558 }, | 558 }, |
559 length: 0 | 559 length: 0 |
560 }; | 560 }; |
561 | 561 |
562 var re = /str/; | 562 var re = /str/; |
563 log = []; | 563 log = []; |
564 re.lastIndex = fakeLastIndex; | 564 re.lastIndex = fakeLastIndex; |
565 var result = re.exec(fakeString); | 565 var result = re.exec(fakeString); |
566 assertEquals(["str"], result); | 566 assertEquals(["str"], result); |
567 assertEquals(["ts"], log); | 567 assertEquals(["ts", "li"], log); |
568 | 568 |
569 // Again, to check if caching interferes. | 569 // Again, to check if caching interferes. |
570 log = []; | 570 log = []; |
571 re.lastIndex = fakeLastIndex; | 571 re.lastIndex = fakeLastIndex; |
572 result = re.exec(fakeString); | 572 result = re.exec(fakeString); |
573 assertEquals(["str"], result); | 573 assertEquals(["str"], result); |
574 assertEquals(["ts"], log); | 574 assertEquals(["ts", "li"], log); |
575 | 575 |
576 // And one more time, just to be certain. | 576 // And one more time, just to be certain. |
577 log = []; | 577 log = []; |
578 re.lastIndex = fakeLastIndex; | 578 re.lastIndex = fakeLastIndex; |
579 result = re.exec(fakeString); | 579 result = re.exec(fakeString); |
580 assertEquals(["str"], result); | 580 assertEquals(["str"], result); |
581 assertEquals(["ts"], log); | 581 assertEquals(["ts", "li"], log); |
582 | 582 |
583 // Now with a global regexp, where lastIndex is actually used. | 583 // Now with a global regexp, where lastIndex is actually used. |
584 re = /str/g; | 584 re = /str/g; |
585 log = []; | 585 log = []; |
586 re.lastIndex = fakeLastIndex; | 586 re.lastIndex = fakeLastIndex; |
587 var result = re.exec(fakeString); | 587 var result = re.exec(fakeString); |
588 assertEquals(["str"], result); | 588 assertEquals(["str"], result); |
589 assertEquals(["ts", "li"], log); | 589 assertEquals(["ts", "li"], log); |
590 | 590 |
591 // Again, to check if caching interferes. | 591 // Again, to check if caching interferes. |
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757 assertEquals(-0, re.lastIndex); | 757 assertEquals(-0, re.lastIndex); |
758 "abc".search(re); | 758 "abc".search(re); |
759 assertEquals(-0, re.lastIndex); | 759 assertEquals(-0, re.lastIndex); |
760 | 760 |
761 var re = /./; | 761 var re = /./; |
762 re.exec = function(str) { assertEquals(0, re.lastIndex); return []; } | 762 re.exec = function(str) { assertEquals(0, re.lastIndex); return []; } |
763 re.lastIndex = NaN; | 763 re.lastIndex = NaN; |
764 assertEquals(NaN, re.lastIndex); | 764 assertEquals(NaN, re.lastIndex); |
765 "abc".search(re); | 765 "abc".search(re); |
766 assertEquals(NaN, re.lastIndex); | 766 assertEquals(NaN, re.lastIndex); |
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