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

31 lines
700 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: 9.5.6
description: >
Throw a TypeError exception if trap is not callable.
info: |
[[DefineOwnProperty]] (P, Desc)
...
6. Let trap be GetMethod(handler, "defineProperty").
...
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, {
defineProperty: {}
});
assert.throws(TypeError, function() {
Object.defineProperty(p, "foo", {
value: 1
});
});