test262/test/built-ins/Proxy/ownKeys/trap-is-not-callable.js

25 lines
509 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.12
description: >
Trap is not callable.
info: >
[[OwnPropertyKeys]] ( )
5. Let trap be GetMethod(handler, "ownKeys").
...
7.3.9 GetMethod (O, P)
5. If IsCallable(func) is false, throw a TypeError exception.
---*/
var p = new Proxy({attr:1}, {
ownKeys: {}
});
assert.throws(TypeError, function() {
Object.keys(p);
});