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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Match failure with non-writable `lastIndex` property
es6id: 21.2.5.2
info: |
21.2.5.2 RegExp.prototype.exec ( string )
[...]
6. Return RegExpBuiltinExec(R, S).
21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
[...]
4. Let lastIndex be ToLength(Get(R,"lastIndex")).
[...]
8. Let sticky be ToBoolean(Get(R, "sticky")).
[...]
15. Repeat, while matchSucceeded is false
[...]
b. Let r be matcher(S, lastIndex).
c. If r is failure, then
i. If sticky is true, then
1. Let setStatus be Set(R, "lastIndex", 0, true).
2. ReturnIfAbrupt(setStatus).
---*/
var r = /c/y;
Object.defineProperty(r, 'lastIndex', {
writable: false
});
assert.throws(TypeError, function() {
r.exec('abc');
});
reportCompare(0, 0);
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