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In preparation for a lint rule that will enforce assert.deepStrictEqual() over assert.deepEqual(), change tests and benchmarks accordingly. For tests and benchmarks that are testing or benchmarking assert.deepEqual() itself, apply a comment to ignore the upcoming rule. PR-URL: https://github.com/nodejs/node/pull/6213 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
60 lines
1.5 KiB
JavaScript
60 lines
1.5 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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var callbacks_called = [];
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const e = new events.EventEmitter();
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function callback1() {
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callbacks_called.push('callback1');
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e.on('foo', callback2);
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e.on('foo', callback3);
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e.removeListener('foo', callback1);
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}
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function callback2() {
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callbacks_called.push('callback2');
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e.removeListener('foo', callback2);
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}
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function callback3() {
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callbacks_called.push('callback3');
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e.removeListener('foo', callback3);
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}
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e.on('foo', callback1);
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assert.equal(1, e.listeners('foo').length);
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e.emit('foo');
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assert.equal(2, e.listeners('foo').length);
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assert.deepStrictEqual(['callback1'], callbacks_called);
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e.emit('foo');
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assert.equal(0, e.listeners('foo').length);
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assert.deepStrictEqual(['callback1', 'callback2', 'callback3'],
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callbacks_called);
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e.emit('foo');
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assert.equal(0, e.listeners('foo').length);
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assert.deepStrictEqual(['callback1', 'callback2', 'callback3'],
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callbacks_called);
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e.on('foo', callback1);
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e.on('foo', callback2);
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assert.equal(2, e.listeners('foo').length);
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e.removeAllListeners('foo');
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assert.equal(0, e.listeners('foo').length);
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// Verify that removing callbacks while in emit allows emits to propagate to
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// all listeners
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callbacks_called = [];
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e.on('foo', callback2);
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e.on('foo', callback3);
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assert.equal(2, e.listeners('foo').length);
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e.emit('foo');
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assert.deepStrictEqual(['callback2', 'callback3'], callbacks_called);
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assert.equal(0, e.listeners('foo').length);
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