10 lines
318 B
JavaScript
10 lines
318 B
JavaScript
const expect = require('expect');
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const {remove} = require('./_30s.js');
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test('remove is a Function', () => {
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expect(remove).toBeInstanceOf(Function);
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});
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test('Removes elements from an array for which the given function returns false', () => {
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expect(remove([1, 2, 3, 4], n => n % 2 === 0)).toEqual([2, 4]);
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});
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