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5 | import * as assert from 'assert';
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6 | import { EventEmitter2 } from './eventEmitter2';
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7 |
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8 | describe('EventEmitter2', () => {
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9 | it('should fire listeners multiple times', () => {
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10 | const order: string[] = [];
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11 | const emitter = new EventEmitter2<number>();
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12 | emitter.event(data => order.push(data + 'a'));
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13 | emitter.event(data => order.push(data + 'b'));
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14 | emitter.fire(1);
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15 | emitter.fire(2);
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16 | assert.deepEqual(order, [ '1a', '1b', '2a', '2b' ]);
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17 | });
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18 |
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19 | it('should not fire listeners once disposed', () => {
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20 | const order: string[] = [];
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21 | const emitter = new EventEmitter2<number>();
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22 | emitter.event(data => order.push(data + 'a'));
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23 | const disposeB = emitter.event(data => order.push(data + 'b'));
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24 | emitter.event(data => order.push(data + 'c'));
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25 | emitter.fire(1);
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26 | disposeB.dispose();
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27 | emitter.fire(2);
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28 | assert.deepEqual(order, [ '1a', '1b', '1c', '2a', '2c' ]);
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29 | });
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30 | });
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