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Issue 9701064:
Experimental profiler: split RegExp.test() for better optimization. (Closed)
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge| OLD | NEW |
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| 1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
|
Jakob Kummerow
2012/03/15 17:20:21
2012
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| 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 |
| 11 // with the distribution. | 11 // with the distribution. |
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| 694 // Syntax extension relative to ES5, for matching JSC (and ES3). | 694 // Syntax extension relative to ES5, for matching JSC (and ES3). |
| 695 // Shouldn't throw. | 695 // Shouldn't throw. |
| 696 re = RegExp("(?=x)*"); | 696 re = RegExp("(?=x)*"); |
| 697 re = RegExp("(?!x)*"); | 697 re = RegExp("(?!x)*"); |
| 698 | 698 |
| 699 // Should throw. Shouldn't hit asserts in debug mode. | 699 // Should throw. Shouldn't hit asserts in debug mode. |
| 700 assertThrows("RegExp('(*)')"); | 700 assertThrows("RegExp('(*)')"); |
| 701 assertThrows("RegExp('(?:*)')"); | 701 assertThrows("RegExp('(?:*)')"); |
| 702 assertThrows("RegExp('(?=*)')"); | 702 assertThrows("RegExp('(?=*)')"); |
| 703 assertThrows("RegExp('(?!*)')"); | 703 assertThrows("RegExp('(?!*)')"); |
| 704 | |
| 705 // Test trimmed regular expression for RegExp.test(). | |
| 706 assertTrue(/.*abc/.test("abc")); | |
| 707 assertFalse(/.*\d+/.test("q")); | |
| OLD | NEW |
