Function onUpgrade

test/parallel/test-tls-over-http-tunnel.js:121–126

(res, socket, head)

  }

  function onUpgrade(res, socket, head) {
    // Hacky.
    process.nextTick(() => {
      onConnect(res, socket, head);
    });
  }

  function onConnect(res, socket, header) {
    assert.strictEqual(res.statusCode, 200);