relnote: refactoring the buffering logic in QUIC's stream sequencer.

net/quic/quic_stream_sequencer_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_stream_sequencer.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 505 matching lines @@
 
   // Peek into the data.  Only the first chunk should be readable because of the
   // missing data.
   const char* expected[] = {"abc"};
   ASSERT_TRUE(VerifyReadableRegions(expected, arraysize(expected)));
 
   // Now, attempt to mark consumed more data than was readable and expect the
   // stream to be closed.
   EXPECT_CALL(stream_, Reset(QUIC_ERROR_PROCESSING_STREAM));
   EXPECT_DFATAL(sequencer_->MarkConsumed(4),
-                "Invalid argument to MarkConsumed.  num_bytes_consumed_: 3 "
-                "end_offset: 4 offset: 9 length: 17");
+                "Invalid argument to MarkConsumed."
+                " expect to consume: 4, but not enough bytes available.");
 }
 
 TEST_F(QuicStreamSequencerTest, MarkConsumedWithMissingPacket) {
   InSequence s;
   EXPECT_CALL(stream_, OnDataAvailable());
 
   OnFrame(0, "abc");
   OnFrame(3, "def");
   // Missing packet: 6, ghi.
   OnFrame(9, "jkl");
@@ skipping 53 matching lines @@
   QuicStreamFrame frame2(kClientDataStreamId1, false, 2, StringPiece("hello"));
   EXPECT_TRUE(FrameOverlapsBufferedData(frame2));
   EXPECT_CALL(stream_, CloseConnectionWithDetails(QUIC_INVALID_STREAM_FRAME, _))
       .Times(1);
   sequencer_->OnStreamFrame(frame2);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net