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19 lines
445 B
JavaScript
19 lines
445 B
JavaScript
import expect from 'expect';
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import timer from '../timer-utils';
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describe('timer', () => {
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it('records how long a function takes to execute', () => {
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const add100k = (number) => {
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for (let i = 0; i < 100000; i += 1) {
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number += 1;
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}
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return number;
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};
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const timedFn = timer(add100k);
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const result = timedFn(70);
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expect(result).toEqual(100070);
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expect(timedFn.time).toBeA('number');
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});
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});
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