const expect = require('expect');
const orderBy = require('./orderBy.js');


  test('orderBy is a Function', () => {
  expect(orderBy).toBeInstanceOf(Function);
});
  const users = [{ name: 'fred', age: 48 }, { name: 'barney', age: 36 }, { name: 'fred', age: 40 }];
  t.deepEqual(orderBy(users, ['name', 'age'], ['asc', 'desc']), [{name: 'barney', age: 36}, {name: 'fred', age: 48}, {name: 'fred', age: 40}], "Returns a sorted array of objects ordered by properties and orders.");
  t.deepEqual(orderBy(users, ['name', 'age']), [{name: 'barney', age: 36}, {name: 'fred', age: 40}, {name: 'fred', age: 48}], "Returns a sorted array of objects ordered by properties and orders.");