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1 // Copyright (c) 2014, the Dart project authors. All rights reserved. | |
2 // Copyright 2013 the V8 project authors. All rights reserved. | |
3 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | |
4 // | |
5 // Redistribution and use in source and binary forms, with or without | |
6 // modification, are permitted provided that the following conditions | |
7 // are met: | |
8 // 1. Redistributions of source code must retain the above copyright | |
9 // notice, this list of conditions and the following disclaimer. | |
10 // 2. Redistributions in binary form must reproduce the above copyright | |
11 // notice, this list of conditions and the following disclaimer in the | |
12 // documentation and/or other materials provided with the distribution. | |
13 // | |
14 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | |
15 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
18 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
21 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
23 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 | |
25 import 'v8_regexp_utils.dart'; | |
26 import 'package:expect/expect.dart'; | |
27 | |
28 void main() { | |
29 dynamic testForwardSlash(pattern, _string) { | |
30 var string = _string; | |
31 | |
32 var re1 = new RegExp(pattern); | |
33 | |
34 return re1.hasMatch(string); | |
35 } | |
36 | |
37 dynamic testLineTerminator(pattern) { | |
38 var re1 = new RegExp(pattern); | |
39 | |
40 return new RegExp(r"\n|\r|\u2028|\u2029").hasMatch(re1.toString()); | |
41 } | |
42 | |
43 // These strings are equivalent, since the '\' is identity escaping the '/' at
the string level. | |
44 shouldBeTrue(testForwardSlash("^/\$", "/")); | |
45 shouldBeTrue(testForwardSlash("^\/\$", "/")); | |
46 // This string passes "^\/$" to the RegExp, so the '/' is escaped in the re! | |
47 shouldBeTrue(testForwardSlash("^\\/\$", "/")); | |
48 // These strings pass "^\\/$" and "^\\\/$" respectively to the RegExp, giving
one '\' to match. | |
49 shouldBeTrue(testForwardSlash("^\\\\/\$", "\\/")); | |
50 shouldBeTrue(testForwardSlash("^\\\\\\/\$", "\\/")); | |
51 // These strings match two backslashes (the second with the '/' escaped). | |
52 shouldBeTrue(testForwardSlash("^\\\\\\\\/\$", "\\\\/")); | |
53 shouldBeTrue(testForwardSlash("^\\\\\\\\\\/\$", "\\\\/")); | |
54 // Test that nothing goes wrongif there are multiple forward slashes! | |
55 shouldBeTrue(testForwardSlash("x/x/x", "x/x/x")); | |
56 shouldBeTrue(testForwardSlash("x\\/x/x", "x/x/x")); | |
57 shouldBeTrue(testForwardSlash("x/x\\/x", "x/x/x")); | |
58 shouldBeTrue(testForwardSlash("x\\/x\\/x", "x/x/x")); | |
59 | |
60 shouldBeFalse(testLineTerminator("\\n")); | |
61 shouldBeFalse(testLineTerminator("\\\\n")); | |
62 shouldBeFalse(testLineTerminator("\\r")); | |
63 shouldBeFalse(testLineTerminator("\\\\r")); | |
64 shouldBeFalse(testLineTerminator("\\u2028")); | |
65 shouldBeFalse(testLineTerminator("\\\\u2028")); | |
66 shouldBeFalse(testLineTerminator("\\u2029")); | |
67 shouldBeFalse(testLineTerminator("\\\\u2029")); | |
68 } | |
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