12 lines
337 B
JavaScript
12 lines
337 B
JavaScript
const expect = require('expect');
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const forEachRight = require('./forEachRight.js');
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test('forEachRight is a Function', () => {
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expect(forEachRight).toBeInstanceOf(Function);
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});
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let output = '';
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forEachRight([1, 2, 3, 4], val => (output += val));
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test('Iterates over the array in reverse', () => {
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expect(output).toBe('4321');
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});
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