mirror of
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47 lines
2.0 KiB
TypeScript
47 lines
2.0 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 { test, expect } from '@playwright/test';
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import { EventEmitter } from '../../../packages/playwright-core/lib/client/eventEmitter';
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test('should support special event names', () => {
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const ee = new EventEmitter();
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const handler = () => {};
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expect(ee.eventNames().length).toEqual(0);
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expect(ee._events.hasOwnProperty).toEqual(undefined);
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expect(ee._events.toString).toEqual(undefined);
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ee.on('__defineGetter__', handler);
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ee.on('toString', handler);
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ee.on('__proto__', handler);
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expect(ee.eventNames()[0]).toEqual('__defineGetter__');
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expect(ee.eventNames()[1]).toEqual('toString');
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expect(ee.listeners('__defineGetter__').length).toEqual(1);
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expect(ee.listeners('__defineGetter__')[0]).toEqual(handler);
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expect(ee.listeners('toString').length).toEqual(1);
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expect(ee.listeners('toString')[0]).toEqual(handler);
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});
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