Files
30-seconds-of-code/test/reduceSuccessive/reduceSuccessive.test.js
2018-06-18 18:13:18 +03:00

10 lines
377 B
JavaScript

const expect = require('expect');
const reduceSuccessive = require('./reduceSuccessive.js');
test('reduceSuccessive is a Function', () => {
expect(reduceSuccessive).toBeInstanceOf(Function);
});
test('Returns the array of successively reduced values', () => {
expect(reduceSuccessive([1, 2, 3, 4, 5, 6], (acc, val) => acc + val, 0)).toEqual([0, 1, 3, 6, 10, 15, 21]);
});