'use strict'; const assert = require('assert'); const { concat } = require('../lib/buffer-util'); describe('bufferUtil', () => { describe('concat', () => { it('never returns uninitialized data', () => { const buf = concat([Buffer.from([1, 2]), Buffer.from([3, 4])], 6); assert.ok(buf.equals(Buffer.from([1, 2, 3, 4]))); }); }); });