83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
12 lines
444 B
JavaScript
12 lines
444 B
JavaScript
const {zipWith} = require('./_30s.js');
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test('zipWith is a Function', () => {
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expect(zipWith).toBeInstanceOf(Function);
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});
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test('zipWith returns the correct results', () => {
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expect(zipWith([1, 2], [10, 20], [100, 200], (a, b, c) => a + b + c)).toEqual([111, 222]);
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});
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test('zipWith returns the correct results if no function is passed', () => {
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expect(zipWith([1, 2], [10, 20], [100, 200])).toEqual([[1, 10, 100], [2, 20, 200]]);
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});
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