@mxmitch/lotide/test/flattenTest.js

A mini clone of the [Lodash](https://lodash.com) library.

const assert = require('chai').assert;
const flatten = require('../flatten');

describe("#flatten", () => {
  it("returns [1, 2, 3, 4, 5, 6] for [1, 2, [3, 4], 5, [6]]", () => {
    assert.deepEqual(flatten([1, 2, [3, 4], 5, [6]]), [1, 2, 3, 4, 5, 6]);
  });
  it("returns [1, 2, 3, 4, 5, 6] for [[1, 2, 3], 4, [5], 6]", () => {
    assert.deepEqual(flatten([
      [1, 2, 3], 4, [5], 6
    ]), [1, 2, 3, 4, 5, 6]);
  });
});