// 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: > Throws a TypeError exception if trap is not callable. info: | [[IsExtensible]] ( ) ... 1. Let handler be the value of the [[ProxyHandler]] internal slot of O. ... 5. Let trap be GetMethod(handler, "isExtensible"). ... 7.3.9 GetMethod (O, P) ... 2. Let func be GetV(O, P). 5. If IsCallable(func) is false, throw a TypeError exception. ... features: [Proxy] ---*/ var target = {}; var p = new Proxy(target, { isExtensible: {} }); assert.throws(TypeError, function() { Object.isExtensible(p); }); reportCompare(0, 0);