QUIC - Allow cronet apps to specify how many server configs are to be

net/http/http_server_properties_manager_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 "net/http/http_server_properties_manager.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 258 matching lines @@
                                             GetParam());
     http_server_properties_dict->SetWithoutPathExpansion("servers",
                                                          servers_dict);
   }
   base::DictionaryValue* supports_quic = new base::DictionaryValue;
   supports_quic->SetBoolean("used_quic", true);
   supports_quic->SetString("address", "127.0.0.1");
   http_server_properties_dict->SetWithoutPathExpansion("supports_quic",
                                                        supports_quic);
 
-  // Set quic_server_info for www.google.com:80 and mail.google.com:80.
+  // Set quic_server_info for www.google.com:80, mail.google.com:80 and
+  // play.google.com:80 and verify the MRU.
+  http_server_props_manager_->SetMaxServerConfigsStoredInProperties(3);
   base::DictionaryValue* quic_servers_dict = new base::DictionaryValue;
   base::DictionaryValue* quic_server_pref_dict1 = new base::DictionaryValue;
   std::string quic_server_info1("quic_server_info1");
   quic_server_pref_dict1->SetStringWithoutPathExpansion("server_info",
                                                         quic_server_info1);
   base::DictionaryValue* quic_server_pref_dict2 = new base::DictionaryValue;
   std::string quic_server_info2("quic_server_info2");
   quic_server_pref_dict2->SetStringWithoutPathExpansion("server_info",
                                                         quic_server_info2);
+  base::DictionaryValue* quic_server_pref_dict3 = new base::DictionaryValue;
+  std::string quic_server_info3("quic_server_info3");
+  quic_server_pref_dict3->SetStringWithoutPathExpansion("server_info",
+                                                        quic_server_info3);
   // Set the quic_server_info1 for www.google.com server.
   QuicServerId google_quic_server_id("www.google.com", 80);
   quic_servers_dict->SetWithoutPathExpansion(google_quic_server_id.ToString(),
                                              quic_server_pref_dict1);
   // Set the quic_server_info2 for mail.google.com server.
   QuicServerId mail_quic_server_id("mail.google.com", 80);
   quic_servers_dict->SetWithoutPathExpansion(mail_quic_server_id.ToString(),
                                              quic_server_pref_dict2);
+  // Set the quic_server_info3 for play.google.com server.
+  QuicServerId play_quic_server_id("play.google.com", 80);
+  quic_servers_dict->SetWithoutPathExpansion(play_quic_server_id.ToString(),
+                                             quic_server_pref_dict3);
   http_server_properties_dict->SetWithoutPathExpansion("quic_servers",
                                                        quic_servers_dict);
 
   // Set the same value for kHttpServerProperties multiple times.
   pref_service_.SetManagedPref(kTestHttpServerProperties,
                                http_server_properties_dict);
   base::DictionaryValue* http_server_properties_dict2 =
       http_server_properties_dict->DeepCopy();
   pref_service_.SetManagedPref(kTestHttpServerProperties,
                                http_server_properties_dict2);
@@ skipping 61 matching lines @@
   EXPECT_EQ(10, stats2->srtt.ToInternalValue());
   const ServerNetworkStats* stats3 =
       http_server_props_manager_->GetServerNetworkStats(mail_server);
   EXPECT_EQ(20, stats3->srtt.ToInternalValue());
 
   // Verify QuicServerInfo.
   EXPECT_EQ(quic_server_info1, *http_server_props_manager_->GetQuicServerInfo(
                                    google_quic_server_id));
   EXPECT_EQ(quic_server_info2, *http_server_props_manager_->GetQuicServerInfo(
                                    mail_quic_server_id));
+  EXPECT_EQ(quic_server_info3, *http_server_props_manager_->GetQuicServerInfo(
+                                   play_quic_server_id));
+
+  // Verify the MRU order.
+  http_server_props_manager_->SetMaxServerConfigsStoredInProperties(2);
+  EXPECT_EQ(nullptr, http_server_props_manager_->GetQuicServerInfo(
+                         google_quic_server_id));
+  EXPECT_EQ(quic_server_info2, *http_server_props_manager_->GetQuicServerInfo(
+                                   mail_quic_server_id));
+  EXPECT_EQ(quic_server_info3, *http_server_props_manager_->GetQuicServerInfo(
+                                   play_quic_server_id));
 }
 
 TEST_P(HttpServerPropertiesManagerTest, BadCachedHostPortPair) {
   ExpectCacheUpdate();
   // The prefs are automaticalls updated in the case corruption is detected.
   ExpectPrefsUpdate();
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   base::DictionaryValue* server_pref_dict = new base::DictionaryValue;
 
@@ skipping 919 matching lines @@
   // Shutdown comes before the task is executed.
   http_server_props_manager_->ShutdownOnPrefThread();
   // Run the task after shutdown, but before deletion.
   base::RunLoop().RunUntilIdle();
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
   http_server_props_manager_.reset();
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace net