const expect = require('expect'); const bind = require('./bind.js'); test('Testing bind', () => { //For more information on all the methods supported by tape //Please go to https://github.com/substack/tape expect(typeof bind === 'function').toBeTruthy(); function greet(greeting, punctuation) { return greeting + ' ' + this.user + punctuation; } const freddy = { user: 'fred' }; const freddyBound = bind(greet, freddy); expect(freddyBound('hi', '!')).toBe('hi fred!'); });