test262/implementation-contributed/v8/mjsunit/es6/array-concat-revoked-proxy-2.js
test262-automation 7298a38552 [v8-test262-automation] Updated curation log with latest revision sha's from export and changed files.
sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
2018-09-14 12:32:18 -04:00

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JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function testConcatRevokedProxyToArray() {
"use strict";
var handler = {
get(_, name) {
if (name === Symbol.isConcatSpreadable) {
p.revoke();
}
return target[name];
}
}
var target = [];
var p = Proxy.revocable(target, handler);
assertThrows(function() { [].concat(p.proxy); }, TypeError);
})();