code: @Test public void initialSettingsWithWindowSizeAdjustsConnection() throws Exception {
    int framesThatFillWindow=roundUp(INITIAL_WINDOW_SIZE,HTTP_20_DRAFT_09.maxFrameSize());
    peer.acceptFrame();
    for (int i=0; i < framesThatFillWindow; i++) {
      peer.acceptFrame();
    }
    peer.acceptFrame();
    peer.play();
    SpdyConnection connection=connection(peer,SPDY3);
    SpdyStream stream=connection.newStream(headerEntries("a","apple"),true,true);
    BufferedSink out=Okio.buffer(stream.getSink());
    out.write(new byte[INITIAL_WINDOW_SIZE]);
    out.flush();
    out.writeByte('a');
    assertFlushBlocks(out);
    assertEquals(0,connection.bytesLeftInWriteWindow);
    assertEquals(0,connection.getStream(1).bytesLeftInWriteWindow);
    Settings initial=new Settings();
    initial.set(Settings.INITIAL_WINDOW_SIZE,PERSIST_VALUE,INITIAL_WINDOW_SIZE + 1);
    connection.readerRunnable.settings(false,initial);
    assertEquals(1,connection.bytesLeftInWriteWindow);
    assertEquals(1,connection.getStream(1).bytesLeftInWriteWindow);
    out.flush();
    assertEquals(0,connection.bytesLeftInWriteWindow);
    assertEquals(0,connection.getStream(1).bytesLeftInWriteWindow);
    Settings next=new Settings();
    next.set(Settings.INITIAL_WINDOW_SIZE,PERSIST_VALUE,INITIAL_WINDOW_SIZE + 2);
    connection.readerRunnable.settings(false,next);
    assertEquals(0,connection.bytesLeftInWriteWindow);
    assertEquals(1,connection.getStream(1).bytesLeftInWriteWindow);
  }
  