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https://github.com/jerryscript-project/jerryscript.git
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8fdbc6a85b
Object.keys also updated to follow the ES11 standard. JerryScript-DCO-1.0-Signed-off-by: Roland Takacs rtakacs@inf.u-szeged.hu
47 lines
1.2 KiB
JavaScript
47 lines
1.2 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 object = {};
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Object.defineProperties(object, {
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a: {
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value: "foo",
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enumerable: false
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},
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b: {
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value: "bar",
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enumerable: true,
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writable: false
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}
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});
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var proxy = new Proxy(object, {
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getOwnPropertyDescriptor: function(o, v) {
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handlers.push("D");
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return Object.getOwnPropertyDescriptor(o, v);
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},
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get: function(o, v) {
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handlers.push("G");
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return o[v];
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}
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});
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var handlers = [];
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var keys = Object.keys(proxy);
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assert(keys.length === 1);
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assert(keys[0] === "b");
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assert(handlers.length === 2);
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assert(handlers.toString() === "D,D");
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