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Side by Side Diff: tests/corelib/regexp/non-capturing-groups_test.dart

Issue 2989003002: Migrated test block 20 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 behavior of non-capturing groups, as described in <a href="http: //blog.stevenlevithan.com/archives/npcg-javascript">' +
31 'a blog post by Steven Levithan</a> and <a href="http://bugs.webkit.or g/show_bug.cgi?id=14931">bug 14931</a>.');
32
33 shouldBeTrue(new RegExp(r"(x)?\1y").hasMatch("y"));
34 shouldBe(new RegExp(r"(x)?\1y").firstMatch("y"), ["y", null]);
35 shouldBe(new RegExp(r"(x)?y").firstMatch("y"), ["y", null]);
36 shouldBe(firstMatch("y", new RegExp(r"(x)?\1y")), ["y", null]);
37 shouldBe(firstMatch("y", new RegExp(r"(x)?y")), ["y", null]);
38 shouldBe(firstMatch("y", new RegExp(r"(x)?\1y")), ["y", null]);
39 Expect.listEquals("y".split(new RegExp(r"(x)?\1y")), ["", ""]);
40 Expect.listEquals("y".split(new RegExp(r"(x)?y")), ["", ""]);
41 assertEquals("y".indexOf(new RegExp(r"(x)?\1y")), 0);
42 assertEquals("y".replaceAll(new RegExp(r"(x)?\1y"), "z"), "z");
43 assertEquals(
44 "y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
45 assertEquals(
46 "y".replaceAllMapped(new RegExp(r"(x)?\1y"), (m) => m.group(1)), "null");
47 assertEquals(
48 "y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
49 }
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