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11 lines
264 B
JavaScript
11 lines
264 B
JavaScript
import { isEven } from './utils';
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import filter from '../src/filter';
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describe('filter', () => {
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const array = [1, 2, 3];
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it('should return elements `predicate` returns truthy for', () => {
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expect(filter(array, isEven)).toEqual([2]);
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});
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});
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