mirror of https://github.com/tc39/test262.git
41 lines
1.4 KiB
JavaScript
41 lines
1.4 KiB
JavaScript
// Copyright (C) 2015 Jordan Harband. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-object.values
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description: Object.values should perform observable operations in the correct order
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author: Jordan Harband
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features: [Proxy]
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includes: [proxyTrapsHelper.js]
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---*/
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var log = "";
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var object = { a: 0, b: 0, c: 0 };
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var handler = allowProxyTraps({
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get: function (target, propertyKey, receiver) {
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assert.sameValue(target, object, "get target");
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assert.sameValue(receiver, proxy, "get receiver");
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log += "|get:" + propertyKey;
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return target[propertyKey];
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},
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getOwnPropertyDescriptor: function (target, propertyKey) {
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assert.sameValue(target, object, "getOwnPropertyDescriptor");
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log += "|getOwnPropertyDescriptor:" + propertyKey;
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return Object.getOwnPropertyDescriptor(target, propertyKey);
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},
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ownKeys: function (target) {
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assert.sameValue(target, object, "ownKeys");
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log += "|ownKeys";
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return Object.getOwnPropertyNames(target);
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}
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});
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var check = allowProxyTraps({
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get: function (target, propertyKey, receiver) {
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assert(propertyKey in target, "handler check: " + propertyKey);
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return target[propertyKey];
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}
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});
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var proxy = new Proxy(object, new Proxy(handler, check));
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var result = Object.values(proxy);
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assert.sameValue(log, "|ownKeys|getOwnPropertyDescriptor:a|get:a|getOwnPropertyDescriptor:b|get:b|getOwnPropertyDescriptor:c|get:c", log);
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