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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are met: |
7 // 1. Redistributions of source code must retain the above copyright | 7 // 1. Redistributions of source code must retain the above copyright |
8 // notice, this list of conditions and the following disclaimer. | 8 // notice, this list of conditions and the following disclaimer. |
9 // 2. Redistributions in binary form must reproduce the above copyright | 9 // 2. Redistributions in binary form must reproduce the above copyright |
10 // notice, this list of conditions and the following disclaimer in the | 10 // notice, this list of conditions and the following disclaimer in the |
11 // documentation and/or other materials provided with the distribution. | 11 // documentation and/or other materials provided with the distribution. |
12 // | 12 // |
13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
23 | 23 |
24 description( | 24 description( |
25 "This test checks that iterating a large array backwards works correctly." | 25 "This page tests assertions followed by quantifiers." |
26 ); | 26 ); |
27 | 27 |
28 var bytes = new Array(); | 28 var regexp; |
29 | 29 |
30 function prepare(nbytes) { | 30 regexp = /(?=a){0}/gm; |
31 var i = nbytes - 1; | 31 debug("\nTesting regexp: " + regexp); |
32 while (i >= 0) { | 32 shouldBeTrue("regexp.test('a')"); |
33 bytes[i] = new Number(i); | 33 shouldBe("regexp.lastIndex", "0"); |
34 i -= 1; | |
35 } | |
36 } | |
37 | 34 |
38 function verify(nbytes) { | 35 regexp = /(?=a){1}/gm; |
39 var i = nbytes - 1; | 36 debug("\nTesting regexp: " + regexp); |
40 while (i >= 0) { | 37 shouldBeTrue("regexp.test('a')"); |
41 if (bytes[i] != i) | 38 shouldBe("regexp.lastIndex", "0"); |
42 return false; | |
43 i -= 1; | |
44 } | |
45 return true; | |
46 } | |
47 | 39 |
48 prepare(32768); | 40 regexp = /(?!a){0}/gm; |
49 shouldBeTrue('verify(32768)'); | 41 debug("\nTesting regexp: " + regexp); |
| 42 shouldBeTrue("regexp.test('b')"); |
| 43 shouldBe("regexp.lastIndex", "0"); |
50 | 44 |
51 prepare(65536); | 45 regexp = /(?!a){1}/gm; |
52 shouldBeTrue('verify(65536)'); | 46 debug("\nTesting regexp: " + regexp); |
| 47 shouldBeTrue("regexp.test('b')"); |
| 48 shouldBe("regexp.lastIndex", "0"); |
53 | 49 |
54 prepare(120000); | 50 shouldBeTrue('/^(?=a)?b$/.test("b")'); |
55 shouldBeTrue('verify(120000)'); | |
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