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Side by Side Diff: tests/corelib/regexp/ecma-regex-examples_test.dart

Issue 2989863002: Migrated test block 19 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 "This page tests the regex examples from the ECMA-262 specification.");
31
32 var regex01 = new RegExp(r"a|ab");
33 shouldBe(regex01.firstMatch("abc"), ["a"]);
34
35 var regex02 = new RegExp(r"((a)|(ab))((c)|(bc))");
36 shouldBe(
37 regex02.firstMatch("abc"), ["abc", "a", "a", null, "bc", null, "bc"]);
38
39 var regex03 = new RegExp(r"a[a-z]{2,4}");
40 shouldBe(regex03.firstMatch("abcdefghi"), ["abcde"]);
41
42 var regex04 = new RegExp(r"a[a-z]{2,4}?");
43 shouldBe(regex04.firstMatch("abcdefghi"), ["abc"]);
44
45 var regex05 = new RegExp(r"(aa|aabaac|ba|b|c)*");
46 shouldBe(regex05.firstMatch("aabaac"), ["aaba", "ba"]);
47
48 var regex06 = new RegExp(r"^(a+)\1*,\1+$");
49 Expect.equals(
50 "aaaaaaaaaa,aaaaaaaaaaaaaaa".replaceAllMapped(regex06, (m) => m.group(1)),
51 "aaaaa");
52
53 var regex07 = new RegExp(r"(z)((a+)?(b+)?(c))*");
54 shouldBe(regex07.firstMatch("zaacbbbcac"),
55 ["zaacbbbcac", "z", "ac", "a", null, "c"]);
56
57 var regex08 = new RegExp(r"(a*)*");
58 shouldBe(regex08.firstMatch("b"), ["", null]);
59
60 var regex09 = new RegExp(r"(a*)b\1+");
61 shouldBe(regex09.firstMatch("baaaac"), ["b", ""]);
62
63 var regex10 = new RegExp(r"(?=(a+))");
64 shouldBe(regex10.firstMatch("baaabac"), ["", "aaa"]);
65
66 var regex11 = new RegExp(r"(?=(a+))a*b\1");
67 shouldBe(regex11.firstMatch("baaabac"), ["aba", "a"]);
68
69 var regex12 = new RegExp(r"(.*?)a(?!(a+)b\2c)\2(.*)");
70 shouldBe(regex12.firstMatch("baaabaac"), ["baaabaac", "ba", null, "abaac"]);
71 }
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