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

32 lines
860 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: 9.5.5
description: >
Throws a TypeError exception if trap is not callable.
info: |
[[GetOwnProperty]] (P)
...
2. Let handler be the value of the [[ProxyHandler]] internal slot of O.
...
5. Let target be the value of the [[ProxyTarget]] internal slot of O.
6. Let trap be GetMethod(handler, "getOwnPropertyDescriptor").
...
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, {
getOwnPropertyDescriptor: {}
});
assert.throws(TypeError, function() {
Object.getOwnPropertyDescriptor(p, "foo");
});