// Copyright (C) 2015 the V8 project authors. All rights reserved. | |
// This code is governed by the BSD license found in the LICENSE file. | |
/*--- | |
es6id: 9.5.3 | |
description: > | |
The trap returns a boolean result. | |
features: [Proxy] | |
---*/ | |
var target = {}; | |
var p = new Proxy(target, { | |
isExtensible: function(t) { | |
if (Object.isExtensible(t)) { | |
return 1; | |
} else { | |
return 0; | |
} | |
} | |
}); | |
assert.sameValue(Object.isExtensible(p), true); | |
Object.preventExtensions(target); | |
assert.sameValue(Object.isExtensible(p), false); |