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d469321946
PR-URL: https://github.com/nodejs/node/pull/8622 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com> Reviewed-By: Jackson Tian <shvyo1987@gmail.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
40 lines
986 B
JavaScript
40 lines
986 B
JavaScript
'use strict';
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const common = require('../common');
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var assert = require('assert');
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var EventEmitter = require('events').EventEmitter;
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var e = new EventEmitter();
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var fl; // foo listeners
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fl = e.listeners('foo');
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assert(Array.isArray(fl));
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assert.strictEqual(fl.length, 0);
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assert(!(e._events instanceof Object));
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assert.deepStrictEqual(Object.keys(e._events), []);
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e.on('foo', common.fail);
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fl = e.listeners('foo');
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assert.strictEqual(e._events.foo, common.fail);
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assert(Array.isArray(fl));
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assert.strictEqual(fl.length, 1);
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assert.strictEqual(fl[0], common.fail);
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e.listeners('bar');
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e.on('foo', assert.ok);
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fl = e.listeners('foo');
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assert(Array.isArray(e._events.foo));
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assert.strictEqual(e._events.foo.length, 2);
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assert.strictEqual(e._events.foo[0], common.fail);
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assert.strictEqual(e._events.foo[1], assert.ok);
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assert(Array.isArray(fl));
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assert.strictEqual(fl.length, 2);
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assert.strictEqual(fl[0], common.fail);
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assert.strictEqual(fl[1], assert.ok);
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console.log('ok');
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