Files
30-seconds-of-code/test/reduceWhich/reduceWhich.test.js
2018-06-18 15:54:48 +03:00

20 lines
627 B
JavaScript

const expect = require('expect');
const reduceWhich = require('./reduceWhich.js');
test('reduceWhich is a Function', () => {
expect(reduceWhich).toBeInstanceOf(Function);
});
test('Returns the minimum of an array', () => {
expect(reduceWhich([1, 3, 2]), 1).toBe()
});
test('Returns the maximum of an array', () => {
expect(reduceWhich([1, 3, 2], (a, b) => b - a), 3).toBe()
});
t.deepEqual(reduceWhich(
[{ name: 'Tom', age: 12 }, { name: 'Jack', age: 18 }, { name: 'Lucy', age: 9 }],
(a, b) => a.age - b.age
), {name: "Lucy", age: 9}, 'Returns the object with the minimum specified value in an array');