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Side by Side Diff: tests/corelib_strong/regexp/unicode-handling_test.dart

Issue 2985823002: Migrated test block 24 to Dart 2.0. (Closed)
Patch Set: Created 3 years, 4 months ago
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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 description(
30 'Test for proper handling of Unicode RegExps and <a href="http://bugzilla. webkit.org/show_bug.cgi?id=7445">bug 7445</a>: Gmail puts wrong subject in repli es.');
31
32 // Regex to match Re in various languages straight from Gmail source
33 var I3 = new RegExp(
34 r"^\s*(fwd|re|aw|antw|antwort|wg|sv|ang|odp|betreff|betr|transf|reenv\.|re env|in|res|resp|resp\.|enc|\u8f6c\u53d1|\u56DE\u590D|\u041F\u0435\u0440\u0435\u0 441\u043B|\u041E\u0442\u0432\u0435\u0442):\s*(.*)$",
35 caseSensitive: false);
36
37 // Other RegExs from Gmail source
38 var Ci = new RegExp(r"\s+");
39 var BC = new RegExp(r"^ ");
40 var BG = new RegExp(r" $");
41
42 // This function replaces consecutive whitespace with a single space
43 // then removes a leading and trailing space if they exist. (From Gmail)
44 dynamic Gn(a) {
45 return a.replaceAll(Ci, " ").replaceAll(BC, "").replaceAll(BG, "");
46 }
47
48 // Strips leading Re or similar (from Gmail source)
49 dynamic cy(a) {
50 //var b = I3.firstMatch(a);
51 var b = I3.firstMatch(a);
52
53 if (b != null) {
54 a = b.group(2);
55 }
56
57 return Gn(a);
58 }
59
60 assertEquals(cy('Re: Moose'), 'Moose');
61 assertEquals(cy('\u8f6c\u53d1: Moose'), 'Moose');
62
63 // Test handling of \u2820 (skull and crossbones)
64 var sample = "sample bm\u2820p cm\\u2820p";
65
66 var inlineRe = new RegExp(r".m\u2820p");
67 assertEquals(inlineRe.firstMatch(sample).group(0), 'bm\u2820p');
68
69 // Test handling of \u007c "|"
70 var bsample = "sample bm\u007cp cm\\u007cp";
71
72 var binlineRe = new RegExp(r".m\u007cp");
73
74 assertEquals(binlineRe.firstMatch(bsample).group(0), 'bm|p');
75 }
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