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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.
/*---
esid: sec-array.prototype.copywithin
description: >
Return abrupt from HasProperty(O, fromKey).
info: |
22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] )
...
8. Let relativeStart be ToInteger(start).
9. ReturnIfAbrupt(relativeStart).
10. If relativeStart < 0, let from be max((len + relativeStart),0); else let
from be min(relativeStart, len).
...
17. Repeat, while count > 0
a. Let fromKey be ToString(from).
b. Let toKey be ToString(to).
c. Let fromPresent be HasProperty(O, fromKey).
d. ReturnIfAbrupt(fromPresent).
...
features: [Proxy]
---*/
var o = {
'0': 42,
length: 1
};
var p = new Proxy(o, {
has: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
Array.prototype.copyWithin.call(p, 0, 0);
});
reportCompare(0, 0);
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