// Copyright (C) 2019 Alexey Shvayka. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-proxy-object-internal-methods-and-internal-slots-hasproperty-p description: > Ordinary [[HasProperty]] forwards call to Proxy "has" trap with correct arguments. info: | OrdinaryHasProperty ( O, P ) ... 4. Let parent be ? O.[[GetPrototypeOf]](). 5. If parent is not null, then a. Return ? parent.[[HasProperty]](P). [[HasProperty]] ( P ) ... 8. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target, P »)). ... 10. Return booleanTrapResult. includes: [proxyTrapsHelper.js] features: [Proxy] ---*/ var _handler, _target, _prop; var proto = {prop: 1}; var target = Object.create(proto); var handler = allowProxyTraps({ has: function(target, prop) { _handler = this; _target = target; _prop = prop; return false; }, }); var proxy = new Proxy(target, handler); var heir = Object.create(proxy); assert.sameValue('prop' in heir, false); assert.sameValue(_handler, handler, 'handler is context'); assert.sameValue(_target, target, 'target is the first parameter'); assert.sameValue(_prop, 'prop', 'given prop is the second paramter'); reportCompare(0, 0);