const { createServer, connect } = require('http2');
const assert = require('assert');

createServer().on('stream', function (stream) {
    stream.respond({
        ':status': 200,
        'Content-Type': 'application/octet-stream'
    });
    stream.on('end', () => {
        stream.end();
        stream.session.close();
        this.close();
    });
    stream.resume();
}).listen(7000, () => {
    connect('http://localhost:7000', function () {
        this.request({
            ':method': 'POST'
        }, {
            waitForTrailers: true
        }).on('response', function () {
            this.end('12345');
            this.on('error', err => assert.equal(err.message, 'write after end'));
            this.write('6');
        }).on('wantTrailers', function () {
            this.sendTrailers({});
        });
    });
});