13 lines
385 B
JavaScript
13 lines
385 B
JavaScript
const expect = require('expect');
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const flatten = require('./flatten.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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