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1ab5b4ef20
This commit splits several large event emitter tests into smaller block scoped tests. This keeps the tests more isolated. This commit also replaces var with const, assert.equal() with assert.stictEqual(), and other small enhancements. PR-URL: https://github.com/nodejs/node/pull/6446 Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const events = require('events');
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function listener() {}
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function listener2() {}
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{
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const ee = new events.EventEmitter();
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ee.on('foo', listener);
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const fooListeners = ee.listeners('foo');
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assert.deepStrictEqual(ee.listeners('foo'), [listener]);
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ee.removeAllListeners('foo');
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assert.deepStrictEqual(ee.listeners('foo'), []);
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assert.deepStrictEqual(fooListeners, [listener]);
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}
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{
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const ee = new events.EventEmitter();
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ee.on('foo', listener);
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const eeListenersCopy = ee.listeners('foo');
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assert.deepStrictEqual(eeListenersCopy, [listener]);
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assert.deepStrictEqual(ee.listeners('foo'), [listener]);
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eeListenersCopy.push(listener2);
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assert.deepStrictEqual(ee.listeners('foo'), [listener]);
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assert.deepStrictEqual(eeListenersCopy, [listener, listener2]);
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}
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{
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const ee = new events.EventEmitter();
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ee.on('foo', listener);
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const eeListenersCopy = ee.listeners('foo');
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ee.on('foo', listener2);
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assert.deepStrictEqual(ee.listeners('foo'), [listener, listener2]);
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assert.deepStrictEqual(eeListenersCopy, [listener]);
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}
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