const expect = require('expect'); const call = require('./call.js'); test('Testing call', () => { //For more information on all the methods supported by tape //Please go to https://github.com/substack/tape expect(typeof call === 'function').toBeTruthy(); //t.deepEqual(call(args..), 'Expected'); t.looseEqual(call('map', x => x * 2)([1, 2, 3]), [2, 4, 6], 'Calls function on given object'); });