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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>
105 lines
2.8 KiB
JavaScript
105 lines
2.8 KiB
JavaScript
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var events = require('events');
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var count = 0;
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function listener1() {
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console.log('listener1');
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count++;
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}
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function listener2() {
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console.log('listener2');
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count++;
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}
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function remove1() {
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assert(0);
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}
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function remove2() {
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assert(0);
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}
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var e1 = new events.EventEmitter();
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e1.on('hello', listener1);
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e1.on('removeListener', common.mustCall(function(name, cb) {
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assert.equal(name, 'hello');
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assert.equal(cb, listener1);
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}));
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e1.removeListener('hello', listener1);
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assert.deepStrictEqual([], e1.listeners('hello'));
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var e2 = new events.EventEmitter();
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e2.on('hello', listener1);
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e2.on('removeListener', common.fail);
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e2.removeListener('hello', listener2);
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assert.deepStrictEqual([listener1], e2.listeners('hello'));
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var e3 = new events.EventEmitter();
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e3.on('hello', listener1);
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e3.on('hello', listener2);
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e3.once('removeListener', common.mustCall(function(name, cb) {
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assert.equal(name, 'hello');
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assert.equal(cb, listener1);
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assert.deepStrictEqual([listener2], e3.listeners('hello'));
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}));
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e3.removeListener('hello', listener1);
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assert.deepStrictEqual([listener2], e3.listeners('hello'));
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e3.once('removeListener', common.mustCall(function(name, cb) {
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assert.equal(name, 'hello');
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assert.equal(cb, listener2);
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assert.deepStrictEqual([], e3.listeners('hello'));
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}));
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e3.removeListener('hello', listener2);
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assert.deepStrictEqual([], e3.listeners('hello'));
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var e4 = new events.EventEmitter();
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e4.on('removeListener', common.mustCall(function(name, cb) {
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if (cb !== remove1) return;
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this.removeListener('quux', remove2);
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this.emit('quux');
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}, 2));
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e4.on('quux', remove1);
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e4.on('quux', remove2);
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e4.removeListener('quux', remove1);
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var e5 = new events.EventEmitter();
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e5.on('hello', listener1);
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e5.on('hello', listener2);
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e5.once('removeListener', common.mustCall(function(name, cb) {
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assert.equal(name, 'hello');
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assert.equal(cb, listener1);
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assert.deepStrictEqual([listener2], e5.listeners('hello'));
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e5.once('removeListener', common.mustCall(function(name, cb) {
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assert.equal(name, 'hello');
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assert.equal(cb, listener2);
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assert.deepStrictEqual([], e5.listeners('hello'));
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}));
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e5.removeListener('hello', listener2);
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assert.deepStrictEqual([], e5.listeners('hello'));
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}));
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e5.removeListener('hello', listener1);
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assert.deepStrictEqual([], e5.listeners('hello'));
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const e6 = new events.EventEmitter();
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const listener3 = common.mustCall(() => {
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e6.removeListener('hello', listener4);
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}, 2);
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const listener4 = common.mustCall(() => {}, 1);
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e6.on('hello', listener3);
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e6.on('hello', listener4);
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// listener4 will still be called although it is removed by listener 3.
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e6.emit('hello');
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// This is so because the interal listener array at time of emit
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// was [listener3,listener4]
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// Interal listener array [listener3]
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e6.emit('hello');
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