var caesar = require('./caesar') describe('caesar', function() { it('works with single letters', function() { expect(caesar('A', 1)).toEqual('B'); }); xit('works with words', function() { expect(caesar('Aaa', 1)).toEqual('Bbb'); }); xit('works with phrases', function() { expect(caesar('Hello, World!', 5)).toEqual('Mjqqt, Btwqi!'); }); xit('works with negative shift', function() { expect(caesar('Mjqqt, Btwqi!', -5)).toEqual('Hello, World!'); }); xit('wraps', function() { expect(caesar('Z', 1)).toEqual('A'); }); xit('works with large shift factors', function() { expect(caesar('Hello, World!', 75)).toEqual('Ebiil, Tloia!'); }); });