Removing QUIC_VERSION_18.

net/quic/quic_session_test.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_session.h"
 
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 511 matching lines @@
   CloseStream(stream6->id());
 
   InSequence s;
   EXPECT_CALL(*stream2, OnCanWrite());
   EXPECT_CALL(*stream4, OnCanWrite());
   session_.OnCanWrite();
   EXPECT_FALSE(session_.WillingAndAbleToWrite());
 }
 
 TEST_P(QuicSessionTest, OnCanWriteLimitsNumWritesIfFlowControlBlocked) {
-  if (version() < QUIC_VERSION_19) {
-    return;
-  }
-
   // Ensure connection level flow control blockage.
   QuicFlowControllerPeer::SetSendWindowOffset(session_.flow_controller(), 0);
   EXPECT_TRUE(session_.flow_controller()->IsBlocked());
   EXPECT_TRUE(session_.IsConnectionFlowControlBlocked());
   EXPECT_FALSE(session_.IsStreamFlowControlBlocked());
 
   // Mark the crypto and headers streams as write blocked, we expect them to be
   // allowed to write later.
   session_.MarkWriteBlocked(kCryptoStreamId, kHighestPriority);
   session_.MarkWriteBlocked(kHeadersStreamId, kHighestPriority);
@@ skipping 244 matching lines @@
                                                             kInvalidWindow);
 
   EXPECT_CALL(*connection_,
               SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW));
   session_.OnConfigNegotiated();
 }
 
 TEST_P(QuicSessionTest, InvalidSessionFlowControlWindowInHandshake) {
   // Test that receipt of an invalid (< default) session flow control window
   // from the peer results in the connection being torn down.
-  if (version() <= QUIC_VERSION_19) {
+  if (version() == QUIC_VERSION_19) {
     return;
   }
 
   uint32 kInvalidWindow = kDefaultFlowControlSendWindow - 1;
   QuicConfigPeer::SetReceivedInitialSessionFlowControlWindow(session_.config(),
                                                              kInvalidWindow);
 
   EXPECT_CALL(*connection_,
               SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW));
   session_.OnConfigNegotiated();
 }
 
-TEST_P(QuicSessionTest, ConnectionFlowControlAccountingRstOutOfOrder) {
-  if (version() < QUIC_VERSION_19) {
-    return;
-  }
-
-  // Test that when we receive an out of order stream RST we correctly adjust
-  // our connection level flow control receive window.
-  // On close, the stream should mark as consumed all bytes between the highest
-  // byte consumed so far and the final byte offset from the RST frame.
-  TestStream* stream = session_.CreateOutgoingDataStream();
-
-  const QuicStreamOffset kByteOffset =
-      1 + kInitialSessionFlowControlWindowForTest / 2;
-
-  // Expect no stream WINDOW_UPDATE frames, as stream read side closed.
-  EXPECT_CALL(*connection_, SendWindowUpdate(stream->id(), _)).Times(0);
-  // We do expect a connection level WINDOW_UPDATE when the stream is reset.
-  EXPECT_CALL(*connection_,
-              SendWindowUpdate(0, kInitialSessionFlowControlWindowForTest +
-                                      kByteOffset)).Times(1);
-
-  QuicRstStreamFrame rst_frame(stream->id(), QUIC_STREAM_CANCELLED,
-                               kByteOffset);
-  session_.OnRstStream(rst_frame);
-  session_.PostProcessAfterData();
-  EXPECT_EQ(kByteOffset, session_.flow_controller()->bytes_consumed());
-}
-
-TEST_P(QuicSessionTest, ConnectionFlowControlAccountingFinAndLocalReset) {
-  if (version() < QUIC_VERSION_19) {
-    return;
-  }
-
-  // Test the situation where we receive a FIN on a stream, and before we fully
-  // consume all the data from the sequencer buffer we locally RST the stream.
-  // The bytes between highest consumed byte, and the final byte offset that we
-  // determined when the FIN arrived, should be marked as consumed at the
-  // connection level flow controller when the stream is reset.
-  TestStream* stream = session_.CreateOutgoingDataStream();
-
-  const QuicStreamOffset kByteOffset =
-      1 + kInitialSessionFlowControlWindowForTest / 2;
-  QuicStreamFrame frame(stream->id(), true, kByteOffset, IOVector());
-  vector<QuicStreamFrame> frames;
-  frames.push_back(frame);
-  session_.OnStreamFrames(frames);
-  session_.PostProcessAfterData();
-
-  EXPECT_EQ(0u, stream->flow_controller()->bytes_consumed());
-  EXPECT_EQ(kByteOffset,
-            stream->flow_controller()->highest_received_byte_offset());
-
-  // We only expect to see a connection WINDOW_UPDATE when talking
-  // QUIC_VERSION_19, as in this case both stream and session flow control
-  // windows are the same size. In later versions we will not see a connection
-  // level WINDOW_UPDATE when exhausting a stream, as the stream flow control
-  // limit is much lower than the connection flow control limit.
-  if (version() == QUIC_VERSION_19) {
-    // Expect no stream WINDOW_UPDATE frames, as stream read side closed.
-    EXPECT_CALL(*connection_, SendWindowUpdate(stream->id(), _)).Times(0);
-    // We do expect a connection level WINDOW_UPDATE when the stream is reset.
-    EXPECT_CALL(*connection_,
-                SendWindowUpdate(0, kInitialSessionFlowControlWindowForTest +
-                                        kByteOffset)).Times(1);
-  }
-
-  // Reset stream locally.
-  stream->Reset(QUIC_STREAM_CANCELLED);
-  EXPECT_EQ(kByteOffset, session_.flow_controller()->bytes_consumed());
-}
-
-TEST_P(QuicSessionTest, ConnectionFlowControlAccountingFinAfterRst) {
-  // Test that when we RST the stream (and tear down stream state), and then
-  // receive a FIN from the peer, we correctly adjust our connection level flow
-  // control receive window.
-  if (version() < QUIC_VERSION_19) {
-    return;
-  }
-
-  // Connection starts with some non-zero highest received byte offset,
-  // due to other active streams.
-  const uint64 kInitialConnectionBytesConsumed = 567;
-  const uint64 kInitialConnectionHighestReceivedOffset = 1234;
-  EXPECT_LT(kInitialConnectionBytesConsumed,
-            kInitialConnectionHighestReceivedOffset);
-  session_.flow_controller()->UpdateHighestReceivedOffset(
-      kInitialConnectionHighestReceivedOffset);
-  session_.flow_controller()->AddBytesConsumed(kInitialConnectionBytesConsumed);
-
-  // Reset our stream: this results in the stream being closed locally.
-  TestStream* stream = session_.CreateOutgoingDataStream();
-  stream->Reset(QUIC_STREAM_CANCELLED);
-
-  // Now receive a response from the peer with a FIN. We should handle this by
-  // adjusting the connection level flow control receive window to take into
-  // account the total number of bytes sent by the peer.
-  const QuicStreamOffset kByteOffset = 5678;
-  string body = "hello";
-  IOVector data = MakeIOVector(body);
-  QuicStreamFrame frame(stream->id(), true, kByteOffset, data);
-  vector<QuicStreamFrame> frames;
-  frames.push_back(frame);
-  session_.OnStreamFrames(frames);
-
-  QuicStreamOffset total_stream_bytes_sent_by_peer =
-      kByteOffset + body.length();
-  EXPECT_EQ(kInitialConnectionBytesConsumed + total_stream_bytes_sent_by_peer,
-            session_.flow_controller()->bytes_consumed());
-  EXPECT_EQ(
-      kInitialConnectionHighestReceivedOffset + total_stream_bytes_sent_by_peer,
-      session_.flow_controller()->highest_received_byte_offset());
-}
-
-TEST_P(QuicSessionTest, ConnectionFlowControlAccountingRstAfterRst) {
-  // Test that when we RST the stream (and tear down stream state), and then
-  // receive a RST from the peer, we correctly adjust our connection level flow
-  // control receive window.
-  if (version() < QUIC_VERSION_19) {
-    return;
-  }
-
-  // Connection starts with some non-zero highest received byte offset,
-  // due to other active streams.
-  const uint64 kInitialConnectionBytesConsumed = 567;
-  const uint64 kInitialConnectionHighestReceivedOffset = 1234;
-  EXPECT_LT(kInitialConnectionBytesConsumed,
-            kInitialConnectionHighestReceivedOffset);
-  session_.flow_controller()->UpdateHighestReceivedOffset(
-      kInitialConnectionHighestReceivedOffset);
-  session_.flow_controller()->AddBytesConsumed(kInitialConnectionBytesConsumed);
-
-  // Reset our stream: this results in the stream being closed locally.
-  TestStream* stream = session_.CreateOutgoingDataStream();
-  stream->Reset(QUIC_STREAM_CANCELLED);
-
-  // Now receive a RST from the peer. We should handle this by adjusting the
-  // connection level flow control receive window to take into account the total
-  // number of bytes sent by the peer.
-  const QuicStreamOffset kByteOffset = 5678;
-  QuicRstStreamFrame rst_frame(stream->id(), QUIC_STREAM_CANCELLED,
-                               kByteOffset);
-  session_.OnRstStream(rst_frame);
-
-  EXPECT_EQ(kInitialConnectionBytesConsumed + kByteOffset,
-            session_.flow_controller()->bytes_consumed());
-  EXPECT_EQ(kInitialConnectionHighestReceivedOffset + kByteOffset,
-            session_.flow_controller()->highest_received_byte_offset());
-}
-
 TEST_P(QuicSessionTest, FlowControlWithInvalidFinalOffset) {
   // Test that if we receive a stream RST with a highest byte offset that
   // violates flow control, that we close the connection.
   const uint64 kLargeOffset = kInitialSessionFlowControlWindowForTest + 1;
   EXPECT_CALL(*connection_,
               SendConnectionClose(QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA))
       .Times(2);
 
   // Check that stream frame + FIN results in connection close.
   TestStream* stream = session_.CreateOutgoingDataStream();
   stream->Reset(QUIC_STREAM_CANCELLED);
   QuicStreamFrame frame(stream->id(), true, kLargeOffset, IOVector());
   vector<QuicStreamFrame> frames;
   frames.push_back(frame);
   session_.OnStreamFrames(frames);
 
   // Check that RST results in connection close.
   QuicRstStreamFrame rst_frame(stream->id(), QUIC_STREAM_CANCELLED,
                                kLargeOffset);
   session_.OnRstStream(rst_frame);
 }
 
-TEST_P(QuicSessionTest, VersionNegotiationDisablesFlowControl) {
-  if (version() < QUIC_VERSION_19) {
-    return;
-  }
-
-  // Test that after successful version negotiation, flow control is disabled
-  // appropriately at both the connection and stream level.
-
-  // Initially both stream and connection flow control are enabled.
-  TestStream* stream = session_.CreateOutgoingDataStream();
-  EXPECT_TRUE(stream->flow_controller()->IsEnabled());
-  EXPECT_TRUE(session_.flow_controller()->IsEnabled());
-
-  // Version 18 implies that stream flow control is enabled, but connection
-  // level is disabled.
-  session_.OnSuccessfulVersionNegotiation(QUIC_VERSION_18);
-  EXPECT_FALSE(session_.flow_controller()->IsEnabled());
-  EXPECT_TRUE(stream->flow_controller()->IsEnabled());
-}
-
 TEST_P(QuicSessionTest, WindowUpdateUnblocksHeadersStream) {
   // Test that a flow control blocked headers stream gets unblocked on recipt of
   // a WINDOW_UPDATE frame. Regression test for b/17413860.
   if (version() < QUIC_VERSION_21) {
     return;
   }
 
   // Set the headers stream to be flow control blocked.
   QuicHeadersStream* headers_stream =
       QuicSessionPeer::GetHeadersStream(&session_);
   QuicFlowControllerPeer::SetSendWindowOffset(headers_stream->flow_controller(),
                                               0);
   EXPECT_TRUE(headers_stream->flow_controller()->IsBlocked());
   EXPECT_FALSE(session_.IsConnectionFlowControlBlocked());
   EXPECT_TRUE(session_.IsStreamFlowControlBlocked());
 
   // Unblock the headers stream by supplying a WINDOW_UPDATE.
   QuicWindowUpdateFrame window_update_frame(headers_stream->id(),
                                             2 * kDefaultFlowControlSendWindow);
   vector<QuicWindowUpdateFrame> frames;
   frames.push_back(window_update_frame);
   session_.OnWindowUpdateFrames(frames);
   EXPECT_FALSE(headers_stream->flow_controller()->IsBlocked());
   EXPECT_FALSE(session_.IsConnectionFlowControlBlocked());
   EXPECT_FALSE(session_.IsStreamFlowControlBlocked());
 }
 
-TEST_P(QuicSessionTest, TooManyUnfinishedStreamsCauseConnectionClose) {
-  if (version() < QUIC_VERSION_18) {
-    return;
-  }
-  // If a buggy/malicious peer creates too many streams that are not ended with
-  // a FIN or RST then we send a connection close.
-  ValueRestore<bool> old_flag(&FLAGS_close_quic_connection_unfinished_streams_2,
-                              true);
-
-  EXPECT_CALL(*connection_,
-              SendConnectionClose(QUIC_TOO_MANY_UNFINISHED_STREAMS)).Times(1);
-
-  const int kMaxStreams = 5;
-  QuicSessionPeer::SetMaxOpenStreams(&session_, kMaxStreams);
-
-  // Create kMaxStreams + 1 data streams, and close them all without receiving a
-  // FIN or a RST from the client.
-  const int kFirstStreamId = kClientDataStreamId1;
-  const int kFinalStreamId = kClientDataStreamId1 + 2 * kMaxStreams + 1;
-  for (int i = kFirstStreamId; i < kFinalStreamId; i += 2) {
-    QuicStreamFrame data1(i, false, 0, MakeIOVector("HT"));
-    vector<QuicStreamFrame> frames;
-    frames.push_back(data1);
-    session_.OnStreamFrames(frames);
-    EXPECT_EQ(1u, session_.GetNumOpenStreams());
-    session_.CloseStream(i);
-  }
-
-  // Called after any new data is received by the session, and triggers the call
-  // to close the connection.
-  session_.PostProcessAfterData();
-}
-
 }  // namespace
 }  // namespace test
 }  // namespace net