manual-tests.js

const assert = require("assert");

const expected = 2;

function addsNumbersSync() {
  return 1 + 1;
}

function addsNumbersAsync(done) {
  Promise.resolve().then(() => {
    done(null, 1 + 1);
  });
}

module.exports = [
  {
    async: false,
    name: "addsNumbersSync",
    test: () => assert.deepStrictEqual(addsNumbersSync(), expected),
    benchmark: addsNumbersSync
  },
  {
    async: true,
    name: "addsNumbersAsync",
    test: done => {
      addsNumbersAsync((e, val) => {
        assert.deepStrictEqual(val, expected);
        done(null);
      });
    },
    benchmark: addsNumbersAsync
  }
];