'use strict'; const common = require('../common'); const assert = require('assert'); const stream = require('stream'); process.on('uncaughtException', common.mustCall((err) => { assert.strictEqual(err.message, 'kaboom'); })); const writable = new stream.Writable(); const _err = new Error('kaboom'); writable._write = (chunk, encoding, cb) => { cb(); }; writable._final = (cb) => { cb(_err); }; writable.write('asd'); writable.end(common.mustCall((err) => { assert.strictEqual(err, _err); }));