Ignore the peer's receive buffer in QUIC and instead set the max CWND to 2000 packets. Protected b…

net/quic/quic_sent_packet_manager_test.cc

 // Copyright 2013 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_sent_packet_manager.h"
 
 #include <memory>
 
 #include "base/stl_util.h"
 #include "net/quic/quic_flags.h"
@@ skipping 1611 matching lines @@
   QuicSentPacketManagerPeer::SetPerspective(&manager_, Perspective::IS_CLIENT);
   client_config.SetConnectionOptionsToSend(options);
   EXPECT_CALL(*network_change_visitor_, OnCongestionChange());
   EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
   manager_.SetFromConfig(client_config);
   EXPECT_TRUE(QuicSentPacketManagerPeer::GetUndoRetransmits(&manager_));
 }
 
 TEST_P(QuicSentPacketManagerTest,
        NegotiateConservativeReceiveWindowFromOptions) {
+  ValueRestore<bool> old_flag(&FLAGS_quic_ignore_srbf, false);
   EXPECT_EQ(kDefaultSocketReceiveBuffer,
             QuicSentPacketManagerPeer::GetReceiveWindow(&manager_));
 
   // Try to set a size below the minimum and ensure it gets set to the min.
   QuicConfig client_config;
   QuicConfigPeer::SetReceivedSocketReceiveBuffer(&client_config, 1024);
   EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
   EXPECT_CALL(*send_algorithm_,
               SetMaxCongestionWindow(kMinSocketReceiveBuffer * 0.6));
   EXPECT_CALL(*send_algorithm_, PacingRate())
@@ skipping 23 matching lines @@
                           NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA);
   }
   EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
       .WillOnce(Return(QuicTime::Delta::Infinite()));
   EXPECT_EQ(
       QuicTime::Delta::Infinite(),
       manager_.TimeUntilSend(clock_.Now(), HAS_RETRANSMITTABLE_DATA, &path_id));
 }
 
 TEST_P(QuicSentPacketManagerTest, ReceiveWindowLimited) {
+  ValueRestore<bool> old_flag(&FLAGS_quic_ignore_srbf, false);
   EXPECT_EQ(kDefaultSocketReceiveBuffer,
             QuicSentPacketManagerPeer::GetReceiveWindow(&manager_));
 
   // Ensure the smaller send window only allows 256 * 0.95 packets to be sent.
   QuicPathId path_id = kInvalidPathId;
   for (QuicPacketNumber i = 1; i <= 244; ++i) {
     EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
         .WillOnce(Return(QuicTime::Delta::Zero()));
     EXPECT_EQ(QuicTime::Delta::Zero(),
               manager_.TimeUntilSend(clock_.Now(), HAS_RETRANSMITTABLE_DATA,
@@ skipping 92 matching lines @@
   manager_.OnConnectionMigration(kDefaultPathId, PORT_CHANGE);
 
   EXPECT_EQ(2 * default_init_rtt, rtt_stats->initial_rtt_us());
   EXPECT_EQ(1u, manager_.GetConsecutiveRtoCount());
   EXPECT_EQ(2u, manager_.GetConsecutiveTlpCount());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net