16 lines
551 B
JavaScript
16 lines
551 B
JavaScript
const expect = require('expect');
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const dropRight = require('./dropRight.js');
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test('dropRight is a Function', () => {
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expect(dropRight).toBeInstanceOf(Function);
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});
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test('Returns a new array with n elements removed from the right', () => {
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expect(dropRight([1, 2, 3])).toEqual([1, 2]);
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});
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test('Returns a new array with n elements removed from the right', () => {
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expect(dropRight([1, 2, 3], 2)).toEqual([1]);
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});
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test('Returns a new array with n elements removed from the right', () => {
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expect(dropRight([1, 2, 3], 42)).toEqual([]);
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});
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