forked from xuos/xiuos
80 lines
1.8 KiB
JavaScript
80 lines
1.8 KiB
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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var obj = [];
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Object.defineProperty (obj, "prop", {
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value: 2010,
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writable: true,
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enumerable: true,
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configurable: false
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});
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assert (obj.hasOwnProperty ("prop"));
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function getFunc() {
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return 20;
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}
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try {
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Object.defineProperty (obj, "prop", {
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get: getFunc
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});
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assert (false);
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} catch (e) {
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assert (e instanceof TypeError);
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var desc = Object.getOwnPropertyDescriptor (obj, "prop");
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assert (desc.value === 2010);
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assert (typeof (desc.get) === 'undefined');
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}
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obj = {};
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var setter = function () {};
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Object.defineProperty(obj, "prop", {
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set: setter,
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configurable: true
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});
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var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
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Object.defineProperty(obj, "prop", {
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set: undefined
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});
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var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
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assert (desc1.set === setter && desc2.set === undefined);
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obj = {};
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/* This error is thrown even in non-strict mode. */
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Object.defineProperty(obj, 'f', {
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set: function(value) { throw 234; },
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});
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try {
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obj.f = 5;
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assert (false);
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} catch (err) {
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assert (err === 234);
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}
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try {
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Object.defineProperty(42, "prop", {
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set: undefined
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});
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assert (false);
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} catch (e) {
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assert (e instanceof TypeError);
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}
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