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Issue 2985233002: Migrated test block 19 to Dart 2.0. (Closed)
Patch Set: Migrated test block 19 to Dart 2.0. Created 3 years, 4 months ago
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1 // Copyright (c) 2014, the Dart project authors. All rights reserved.
2 // Copyright 2008 the V8 project authors. All rights reserved.
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following
11 // disclaimer in the documentation and/or other materials provided
12 // with the distribution.
13 // * Neither the name of Google Inc. nor the names of its
14 // contributors may be used to endorse or promote products derived
15 // from this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 /**
30 * @fileoverview Check that an initial ^ will result in a faster match fail.
31 */
32
33 import 'v8_regexp_utils.dart';
34 import 'package:expect/expect.dart';
35
36 void main() {
37 var s = "foo";
38 var i;
39
40 for (i = 0; i < 18; i++) {
41 s = s + s;
42 }
43
44 dynamic repeatRegexp(re) {
45 for (i = 0; i < 1000; i++) {
46 re.hasMatch(s);
47 }
48 }
49
50 repeatRegexp(new RegExp(r"^bar"));
51 repeatRegexp(new RegExp(r"^foo|^bar|^baz"));
52 repeatRegexp(new RegExp(r"(^bar)"));
53 repeatRegexp(new RegExp(r"(?=^bar)\w+"));
54 }
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