const palindromes = require('./palindromes-solution'); describe('palindromes', () => { test('works with single words', () => { expect(palindromes('racecar')).toBe(true); }); test('works with punctuation ', () => { expect(palindromes('racecar!')).toBe(true); }); test('works with upper-case letters ', () => { expect(palindromes('Racecar!')).toBe(true); }); test('works with multiple words', () => { expect(palindromes('A car, a man, a maraca.')).toBe(true); }); test('works with multiple words', () => { expect(palindromes('Animal loots foliated detail of stool lamina.')).toBe( true ); }); test("doesn't just always return true", () => { expect(palindromes('ZZZZ car, a man, a maraca.')).toBe(false); }); test('works with numbers in a string', () => { expect(palindromes('rac3e3car')).toBe(true); }); });