41 lines
1.8 KiB
TypeScript
41 lines
1.8 KiB
TypeScript
// Copyright Joyent, Inc. and other Node contributors.
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// Modifications copyright (c) by Microsoft Corporation
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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import { EventEmitter } from '../../../packages/playwright-core/lib/client/eventEmitter';
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import { test, expect } from '@playwright/test';
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test('EventEmitter prototype test', () => {
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const ee = new EventEmitter();
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// eslint-disable-next-line no-proto
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expect((ee as any).__proto__.constructor.name).toEqual('EventEmitter');
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expect(ee.on).toEqual(ee.addListener); // Same method.
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expect(ee.off).toEqual(ee.removeListener); // Same method.
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Object.getOwnPropertyNames(ee).forEach(name => {
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if (name === 'constructor' || name === 'on' || name === 'off')
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return;
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if (typeof ee[name] !== 'function')
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return;
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expect(ee[name].name).toEqual(name);
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});
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});
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