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23 lines
536 B
23 lines
536 B
'use strict';
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const common = require('../common');
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const EventEmitter = require('events');
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const assert = require('assert');
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const ee = new EventEmitter();
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const foo = Symbol('foo');
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const listener = common.mustCall(function() {});
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ee.on(foo, listener);
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assert.deepEqual(ee.listeners(foo), [listener]);
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ee.emit(foo);
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ee.removeAllListeners();
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assert.deepEqual(ee.listeners(foo), []);
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ee.on(foo, listener);
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assert.deepEqual(ee.listeners(foo), [listener]);
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ee.removeListener(foo, listener);
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assert.deepEqual(ee.listeners(foo), []);
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