test262/harness/proxyTrapsHelper.js

31 lines
1.7 KiB
JavaScript

// Copyright (C) 2017 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: |
Used to assert the correctness of object behavior in the presence
and context of Proxy objects.
---*/
function allowProxyTraps(overrides) {
function throwTest262Error(msg) {
return function () { throw new Test262Error(msg); };
}
if (!overrides) { overrides = {}; }
return {
getPrototypeOf: overrides.getPrototypeOf || throwTest262Error('[[GetPrototypeOf]] trap called'),
setPrototypeOf: overrides.setPrototypeOf || throwTest262Error('[[SetPrototypeOf]] trap called'),
isExtensible: overrides.isExtensible || throwTest262Error('[[IsExtensible]] trap called'),
preventExtensions: overrides.preventExtensions || throwTest262Error('[[PreventExtensions]] trap called'),
getOwnPropertyDescriptor: overrides.getOwnPropertyDescriptor || throwTest262Error('[[GetOwnProperty]] trap called'),
has: overrides.has || throwTest262Error('[[HasProperty]] trap called'),
get: overrides.get || throwTest262Error('[[Get]] trap called'),
set: overrides.set || throwTest262Error('[[Set]] trap called'),
deleteProperty: overrides.deleteProperty || throwTest262Error('[[Delete]] trap called'),
defineProperty: overrides.defineProperty || throwTest262Error('[[DefineOwnProperty]] trap called'),
enumerate: throwTest262Error('[[Enumerate]] trap called: this trap has been removed'),
ownKeys: overrides.ownKeys || throwTest262Error('[[OwnPropertyKeys]] trap called'),
apply: overrides.apply || throwTest262Error('[[Call]] trap called'),
construct: overrides.construct || throwTest262Error('[[Construct]] trap called')
};
}