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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: >
Behavior when error thrown while setting `lastIndex` after a match failure
es6id: 21.2.5.6
info: |
[...]
5. Let global be ToBoolean(Get(rx, "global")).
6. ReturnIfAbrupt(global).
7. If global is false, then
a. Return RegExpExec(rx, S).
21.2.5.2.1 Runtime Semantics: RegExpExec ( R, S )
[...]
7. Return RegExpBuiltinExec(R, S).
21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
[...]
3. Let length be the number of code units in S.
[...]
11. Let matchSucceeded be false.
12. Repeat, while matchSucceeded is false
a. If lastIndex > length, then
i. If global is true or sticky is true, then
1. Perform ? Set(R, "lastIndex", 0, true).
ii. Return null.
features: [Symbol.match]
---*/
var r = /a/g;
Object.defineProperty(r, 'lastIndex', { writable: false });
assert.throws(TypeError, function() {
r[Symbol.match]('b');
});
reportCompare(0, 0);
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