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// Copyright (c) 2014, the Dart project authors. All rights reserved.
// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// @dart = 2.9
/**
* @fileoverview Check that an initial ^ will result in a faster match fail.
*/
import 'v8_regexp_utils.dart';
import 'package:expect/expect.dart';
void main() {
var s = "foo";
var i;
for (i = 0; i < 18; i++) {
s = s + s;
}
dynamic repeatRegexp(re) {
for (i = 0; i < 1000; i++) {
re.hasMatch(s);
}
}
repeatRegexp(new RegExp(r"^bar"));
repeatRegexp(new RegExp(r"^foo|^bar|^baz"));
repeatRegexp(new RegExp(r"(^bar)"));
repeatRegexp(new RegExp(r"(?=^bar)\w+"));
}