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// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-object.seal
description: >
O.[[PreventExtensions]]() returns abrupt completion.
info: |
Object.seal ( O )
...
2. Let status be ? SetIntegrityLevel(O, sealed).
SetIntegrityLevel ( O, level )
...
3. Let status be ? O.[[PreventExtensions]]().
features: [Proxy]
---*/
var p = new Proxy({}, {
preventExtensions: function() {
throw new Test262Error();
},
});
assert.throws(Test262Error, function() {
Object.seal(p);
});
reportCompare(0, 0);
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