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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: lastIndex read but not written when global and sticky are unset.
es6id: 21.2.5.2.2
info: |
21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
[...]
4. Let lastIndex be ? ToLength(? Get(R, "lastIndex")).
5. Let flags be R.[[OriginalFlags]].
6. If flags contains "g", let global be true, else let global be false.
[...]
15. If global is true or sticky is true, then
a. Perform ? Set(R, "lastIndex", e, true).
---*/
var gets = 0;
var counter = {
valueOf: function() {
gets++;
return 0;
}
};
var r = /./;
r.lastIndex = counter;
var result = r.exec('abc');
assert.notSameValue(result, null);
assert.sameValue(result.length, 1);
assert.sameValue(result[0], 'a');
assert.sameValue(r.lastIndex, counter);
assert.sameValue(gets, 1);
reportCompare(0, 0);
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