QUIC - FieldTrial parameters not do PreConnect if QUIC can do 0RTT.

chrome/browser/io_thread_unittest.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/test/mock_entropy_provider.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/common/chrome_switches.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
@@ skipping 182 matching lines @@
   EXPECT_FALSE(params.quic_enable_non_blocking_io);
   EXPECT_FALSE(params.quic_disable_disk_cache);
   EXPECT_FALSE(params.quic_prefer_aes);
   EXPECT_FALSE(params.use_alternative_services);
   EXPECT_EQ(0, params.quic_max_number_of_lossy_connections);
   EXPECT_EQ(1.0f, params.quic_packet_loss_threshold);
   EXPECT_FALSE(params.quic_delay_tcp_race);
   EXPECT_FALSE(params.quic_close_sessions_on_ip_change);
   EXPECT_EQ(net::kIdleConnectionTimeoutSeconds,
             params.quic_idle_connection_timeout_seconds);
+  EXPECT_FALSE(params.quic_disable_preconnect_if_0rtt);
   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 }
 
 TEST_F(IOThreadTest, EnableQuicFromQuicProxyFieldTrialGroup) {
   const struct {
     std::string field_trial_group_name;
     bool expect_enable_quic;
   } tests[] = {
       {
           std::string(), false,
@@ skipping 85 matching lines @@
 
 TEST_F(IOThreadTest, QuicIdleConnectionTimeoutSecondsFieldTrialParams) {
   field_trial_group_ = "Enabled";
   field_trial_params_["idle_connection_timeout_seconds"] = "300";
   ConfigureQuicGlobals();
   net::HttpNetworkSession::Params params;
   InitializeNetworkSessionParams(&params);
   EXPECT_EQ(300, params.quic_idle_connection_timeout_seconds);
 }
 
+TEST_F(IOThreadTest, QuicDisablePreConnectIfZeroRtt) {
+  field_trial_group_ = "Enabled";
+  field_trial_params_["disable_preconnect_if_0rtt"] = "true";
+  ConfigureQuicGlobals();
+  net::HttpNetworkSession::Params params;
+  InitializeNetworkSessionParams(&params);
+  EXPECT_TRUE(params.quic_disable_preconnect_if_0rtt);
+}
+
 TEST_F(IOThreadTest, PacketLengthFromFieldTrialParams) {
   field_trial_group_ = "Enabled";
   field_trial_params_["max_packet_length"] = "1450";
 
   ConfigureQuicGlobals();
   net::HttpNetworkSession::Params params;
   InitializeNetworkSessionParams(&params);
   EXPECT_EQ(1450u, params.quic_max_packet_length);
 }
 
@@ skipping 211 matching lines @@
   command_line_.AppendSwitch(switches::kEnableQuic);
   is_quic_allowed_by_policy_ = false;
   ConfigureQuicGlobals();
 
   net::HttpNetworkSession::Params params;
   InitializeNetworkSessionParams(&params);
   EXPECT_FALSE(params.enable_quic);
 }
 
 }  // namespace test