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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.
/*---
es6id: 21.2.5.9
description: >
Behavior when error thrown while initially setting `lastIndex` property
info: |
[...]
7. Let status be Set(rx, "lastIndex", 0, true).
8. ReturnIfAbrupt(status).
features: [Symbol.search]
---*/
var callCount;
var poisonedLastIndex = {
get lastIndex() {
callCount += 1;
},
set lastIndex(_) {
throw new Test262Error();
}
};
var nonWritableLastIndex = {
get lastIndex() {
callCount += 1;
},
// This method defined to avoid false positives from unrelated TypeErrors
exec: function() {
return null;
}
};
callCount = 0;
assert.throws(Test262Error, function() {
RegExp.prototype[Symbol.search].call(poisonedLastIndex);
});
assert.sameValue(
callCount,
1,
'Property value was accessed before being set ("poisoned" lastIndex)'
);
callCount = 0;
assert.throws(TypeError, function() {
RegExp.prototype[Symbol.search].call(nonWritableLastIndex);
});
assert.sameValue(
callCount,
1,
'Property value was accessed before being set (non-writable lastIndex)'
);
reportCompare(0, 0);
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