code: @Test public void clientClosesClientOutputStream() throws Exception {
    peer.acceptFrame();
    peer.sendFrame().synReply(false,1,headerEntries("b","banana"));
    peer.acceptFrame();
    peer.acceptFrame();
    peer.acceptFrame();
    peer.sendFrame().ping(true,1,0);
    peer.play();
    SpdyConnection connection=connection(peer,SPDY3);
    SpdyStream stream=connection.newStream(headerEntries("a","android"),true,false);
    BufferedSink out=Okio.buffer(stream.getSink());
    out.writeUtf8("square");
    out.flush();
    assertEquals(1,connection.openStreamCount());
    out.close();
    try {
      out.writeUtf8("round");
      fail();
    }
   catch (  Exception expected) {
      assertEquals("closed",expected.getMessage());
    }
    connection.ping().roundTripTime();
    assertEquals(0,connection.openStreamCount());
    MockSpdyPeer.InFrame synStream=peer.takeFrame();
    assertEquals(TYPE_HEADERS,synStream.type);
    assertEquals(HeadersMode.SPDY_SYN_STREAM,synStream.headersMode);
    assertFalse(synStream.inFinished);
    assertTrue(synStream.outFinished);
    MockSpdyPeer.InFrame data=peer.takeFrame();
    assertEquals(TYPE_DATA,data.type);
    assertFalse(data.inFinished);
    assertTrue(Arrays.equals("square".getBytes("UTF-8"),data.data));
    MockSpdyPeer.InFrame fin=peer.takeFrame();
    assertEquals(TYPE_DATA,fin.type);
    assertTrue(fin.inFinished);
    MockSpdyPeer.InFrame ping=peer.takeFrame();
    assertEquals(TYPE_PING,ping.type);
    assertEquals(1,ping.payload1);
  }
  