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
350 B
JavaScript
12 lines
350 B
JavaScript
const {flatten} = require('./_30s.js');
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test('flatten is a Function', () => {
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expect(flatten).toBeInstanceOf(Function);
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});
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test('Flattens an array', () => {
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expect(flatten([1, [2], 3, 4])).toEqual([1, 2, 3, 4]);
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});
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test('Flattens an array', () => {
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expect(flatten([1, [2, [3, [4, 5], 6], 7], 8], 2)).toEqual([1, 2, 3, [4, 5], 6, 7, 8]);
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});
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