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1 // Copyright 2015 the V8 project authors. All rights reserved. | |
Yang
2016/06/13 13:38:00
Can we also some parsing-related tests in cctest/t
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2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Flags: --harmony-regexp-named-captures | |
6 | |
7 // Malformed named captures. | |
8 assertThrows("/(?<>a)/u"); // Empty name. | |
9 assertThrows("/(?<aa)/u"); // Unterminated name. | |
10 assertThrows("/(?<42a>a)/u"); // Name starting with digits. | |
11 assertThrows("/(?<:a>a)/u"); // Name starting with invalid char. | |
12 assertThrows("/(?<a:>a)/u"); // Name containing with invalid char. | |
13 assertThrows("/(?<a>a)(?<a>a)/u"); // Duplicate name. | |
14 assertThrows("/(?<a>a)(?<b>b)(?<a>a)/u"); // Duplicate name. | |
15 assertThrows("/\\k<a>/u"); // Invalid reference. | |
16 assertThrows("/(?<a>a)\\k<ab>/u"); // Invalid reference. | |
17 assertThrows("/(?<ab>a)\\k<a>/u"); // Invalid reference. | |
18 assertThrows("/\\k<a>(?<ab>a)/u"); // Invalid reference. | |
19 | |
20 // Fallback behavior in non-unicode mode. | |
21 assertThrows("/(?<>a)/"); | |
22 assertThrows("/(?<aa)/"); | |
23 assertThrows("/(?<42a>a)/"); | |
24 assertThrows("/(?<:a>a)/"); | |
25 assertThrows("/(?<a:>a)/"); | |
26 assertThrows("/(?<a>a)(?<a>a)/"); | |
27 assertThrows("/(?<a>a)(?<b>b)(?<a>a)/"); | |
28 assertThrows("/(?<a>a)\\k<ab>/"); | |
29 assertThrows("/(?<ab>a)\\k<a>/"); | |
30 | |
31 assertEquals(["k<a>"], "xxxk<a>xxx".match(/\k<a>/)); | |
32 assertEquals(["k<a"], "xxxk<a>xxx".match(/\k<a/)); | |
33 | |
34 // Basic named groups. | |
35 assertEquals(["a", "a"], "bab".match(/(?<a>a)/u)); | |
36 assertEquals(["a", "a"], "bab".match(/(?<a42>a)/u)); | |
37 assertEquals(["a", "a"], "bab".match(/(?<_>a)/u)); | |
38 assertEquals(["a", "a"], "bab".match(/(?<$>a)/u)); | |
39 assertEquals(["bab", "a"], "bab".match(/.(?<$>a)./u)); | |
40 assertEquals(["bab", "a", "b"], "bab".match(/.(?<a>a)(.)/u)); | |
41 assertEquals(["bab", "a", "b"], "bab".match(/.(?<a>a)(?<b>.)/u)); | |
42 assertEquals(["bab", "ab"], "bab".match(/.(?<a>\w\w)/u)); | |
43 assertEquals(["bab", "bab"], "bab".match(/(?<a>\w\w\w)/u)); | |
44 assertEquals(["bab", "ba", "b"], "bab".match(/(?<a>\w\w)(?<b>\w)/u)); | |
45 | |
46 assertEquals("bab".match(/(a)/u), "bab".match(/(?<a>a)/u)); | |
47 assertEquals("bab".match(/(a)/u), "bab".match(/(?<a42>a)/u)); | |
48 assertEquals("bab".match(/(a)/u), "bab".match(/(?<_>a)/u)); | |
49 assertEquals("bab".match(/(a)/u), "bab".match(/(?<$>a)/u)); | |
50 assertEquals("bab".match(/.(a)./u), "bab".match(/.(?<$>a)./u)); | |
51 assertEquals("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(.)/u)); | |
52 assertEquals("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(?<b>.)/u)); | |
53 assertEquals("bab".match(/.(\w\w)/u), "bab".match(/.(?<a>\w\w)/u)); | |
54 assertEquals("bab".match(/(\w\w\w)/u), "bab".match(/(?<a>\w\w\w)/u)); | |
55 assertEquals("bab".match(/(\w\w)(\w)/u), "bab".match(/(?<a>\w\w)(?<b>\w)/u)); | |
56 | |
57 assertEquals(["bab", "b"], "bab".match(/(?<b>b).\1/u)); | |
58 assertEquals(["baba", "b", "a"], "baba".match(/(.)(?<a>a)\1\2/u)); | |
59 assertEquals(["baba", "b", "a", "b", "a"], | |
60 "baba".match(/(.)(?<a>a)(?<b>\1)(\2)/u)); | |
61 assertEquals(["<a", "<"], "<a".match(/(?<lt><)a/u)); | |
62 assertEquals([">a", ">"], ">a".match(/(?<gt>>)a/u)); | |
63 | |
64 // Named references. | |
65 assertEquals(["bab", "b"], "bab".match(/(?<b>.).\k<b>/u)); | |
66 assertNull("baa".match(/(?<b>.).\k<b>/u)); | |
67 | |
68 // Nested groups. | |
69 assertEquals(["bab", "bab", "ab", "b"], "bab".match(/(?<a>.(?<b>.(?<c>.)))/u)); | |
70 | |
71 // Reference inside group. | |
72 assertEquals(["bab", "b"], "bab".match(/(?<a>\k<a>\w)../u)); | |
73 | |
74 // Reference before group. | |
75 assertEquals(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/u)); | |
76 assertEquals(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/u)); | |
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