1// Copyright 2008 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
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27
28/**
29 * @fileoverview Check that an initial ^ will result in a faster match fail.
30 */
31
32
33var s = "foo";
34var i;
35
36for (i = 0; i < 18; i++) {
37  s = s + s;
38}
39
40function repeatRegexp(re) {
41  for (i = 0; i < 1000; i++) {
42    re.test(s);
43  }
44}
45
46repeatRegexp(/^bar/);
47repeatRegexp(/^foo|^bar|^baz/);
48repeatRegexp(/(^bar)/);
49repeatRegexp(/(?=^bar)\w+/);
50