45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
/**
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* @license
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* Copyright (C) 2020 The Android Open Source Project
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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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*/
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import '../test/common-test-setup-karma.js';
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import {hasOwnProperty} from './common-util.js';
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suite('common-util tests', () => {
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suite('hasOwnProperty', () => {
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test('object with the default prototype', () => {
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const obj = {
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'abc': 3,
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'name with spaces': 5,
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};
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assert.isTrue(hasOwnProperty(obj, 'abc'));
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assert.isTrue(hasOwnProperty(obj, 'name with spaces'));
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assert.isFalse(hasOwnProperty(obj, 'def'));
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});
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test('object prototype has overriden hasOwnProperty', () => {
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const F = function() {
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this.abc = 23;
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};
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F.prototype.hasOwnProperty = function(key) {
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return true;
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};
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const obj = new F();
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assert.isTrue(hasOwnProperty(obj, 'abc'));
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assert.isFalse(hasOwnProperty(obj, 'def'));
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});
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});
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});
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