} finally {
                    iter.remove();
                }
            }

            if (this.socket != null) {
                this.socket.shutdownOutput();
                this.out.close();
                this.in.close();
                this.socket.close();
                log.trace("Socket closed");
            } else {

        .Builder(true, TaskRunner.INSTANCE)
        .socket(socket.asBufferedSocket(), "peer")
        .pushObserver(IGNORE)
        .build()
    connection.start(sendConnectionPreface = false)
    socket.shutdownOutput()
    assertFailsWith<IOException> {
      connection.newStream(headerEntries("a", longString), false)
    }
    assertFailsWith<IOException> {
      connection.newStream(headerEntries("b", longString), false)