net/http/http_server_properties_impl_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/http/http_server_properties_impl.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/containers/hash_tables.h"
  12 #include "base/logging.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/values.h"
  15 #include "net/base/host_port_pair.h"
  16 #include "net/base/ip_address_number.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 namespace base {
  20 class ListValue;
  21 }
  22
  23 namespace net {
  24
  25 const int kMaxSupportsSpdyServerHosts = 500;
  26
  27 class HttpServerPropertiesImplPeer {
  28  public:
  29   static void AddBrokenAlternativeServiceWithExpirationTime(
  30       HttpServerPropertiesImpl& impl,
  31       AlternativeService alternative_service,
  32       base::TimeTicks when) {
  33     impl.broken_alternative_services_.insert(
  34         std::make_pair(alternative_service, when));
  35     ++impl.recently_broken_alternative_services_[alternative_service];
  36   }
  37
  38   static void ExpireBrokenAlternateProtocolMappings(
  39       HttpServerPropertiesImpl& impl) {
  40     impl.ExpireBrokenAlternateProtocolMappings();
  41   }
  42 };
  43
  44 void PrintTo(const AlternativeService& alternative_service, std::ostream* os) {
  45   *os << alternative_service.ToString();
  46 }
  47
  48 namespace {
  49
  50 class HttpServerPropertiesImplTest : public testing::Test {
  51  protected:
  52   bool HasAlternativeService(const HostPortPair& origin) {
  53     const AlternativeService alternative_service =
  54         impl_.GetAlternativeService(origin);
  55     return alternative_service.protocol != UNINITIALIZED_ALTERNATE_PROTOCOL;
  56   }
  57
  58   HttpServerPropertiesImpl impl_;
  59 };
  60
  61 typedef HttpServerPropertiesImplTest SpdyServerPropertiesTest;
  62
  63 TEST_F(SpdyServerPropertiesTest, Initialize) {
  64   HostPortPair spdy_server_google("www.google.com", 443);
  65   std::string spdy_server_g = spdy_server_google.ToString();
  66
  67   HostPortPair spdy_server_docs("docs.google.com", 443);
  68   std::string spdy_server_d = spdy_server_docs.ToString();
  69
  70   // Check by initializing NULL spdy servers.
  71   impl_.InitializeSpdyServers(NULL, true);
  72   EXPECT_FALSE(impl_.SupportsRequestPriority(spdy_server_google));
  73
  74   // Check by initializing empty spdy servers.
  75   std::vector<std::string> spdy_servers;
  76   impl_.InitializeSpdyServers(&spdy_servers, true);
  77   EXPECT_FALSE(impl_.SupportsRequestPriority(spdy_server_google));
  78
  79   // Check by initializing with www.google.com:443 spdy server.
  80   std::vector<std::string> spdy_servers1;
  81   spdy_servers1.push_back(spdy_server_g);
  82   impl_.InitializeSpdyServers(&spdy_servers1, true);
  83   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_google));
  84
  85   // Check by initializing with www.google.com:443 and docs.google.com:443 spdy
  86   // servers.
  87   std::vector<std::string> spdy_servers2;
  88   spdy_servers2.push_back(spdy_server_g);
  89   spdy_servers2.push_back(spdy_server_d);
  90   impl_.InitializeSpdyServers(&spdy_servers2, true);
  91
  92   // Verify spdy_server_g and spdy_server_d are in the list in the same order.
  93   base::ListValue spdy_server_list;
  94   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
  95   EXPECT_EQ(2U, spdy_server_list.GetSize());
  96   std::string string_value_g;
  97   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_g));
  98   ASSERT_EQ(spdy_server_g, string_value_g);
  99   std::string string_value_d;
 100   ASSERT_TRUE(spdy_server_list.GetString(1, &string_value_d));
 101   ASSERT_EQ(spdy_server_d, string_value_d);
 102   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_google));
 103   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_docs));
 104 }
 105
 106 TEST_F(SpdyServerPropertiesTest, SupportsRequestPriorityTest) {
 107   HostPortPair spdy_server_empty(std::string(), 443);
 108   EXPECT_FALSE(impl_.SupportsRequestPriority(spdy_server_empty));
 109
 110   // Add www.google.com:443 as supporting SPDY.
 111   HostPortPair spdy_server_google("www.google.com", 443);
 112   impl_.SetSupportsSpdy(spdy_server_google, true);
 113   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_google));
 114
 115   // Add mail.google.com:443 as not supporting SPDY.
 116   HostPortPair spdy_server_mail("mail.google.com", 443);
 117   EXPECT_FALSE(impl_.SupportsRequestPriority(spdy_server_mail));
 118
 119   // Add docs.google.com:443 as supporting SPDY.
 120   HostPortPair spdy_server_docs("docs.google.com", 443);
 121   impl_.SetSupportsSpdy(spdy_server_docs, true);
 122   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_docs));
 123
 124   // Add www.youtube.com:443 as supporting QUIC.
 125   HostPortPair quic_server_youtube("www.youtube.com", 443);
 126   const AlternativeService alternative_service(QUIC, "www.youtube.com", 443);
 127   impl_.SetAlternativeService(quic_server_youtube, alternative_service, 1.0);
 128   EXPECT_TRUE(impl_.SupportsRequestPriority(quic_server_youtube));
 129
 130   // Verify all the entries are the same after additions.
 131   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_google));
 132   EXPECT_FALSE(impl_.SupportsRequestPriority(spdy_server_mail));
 133   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_docs));
 134   EXPECT_TRUE(impl_.SupportsRequestPriority(quic_server_youtube));
 135 }
 136
 137 TEST_F(SpdyServerPropertiesTest, Clear) {
 138   // Add www.google.com:443 and mail.google.com:443 as supporting SPDY.
 139   HostPortPair spdy_server_google("www.google.com", 443);
 140   impl_.SetSupportsSpdy(spdy_server_google, true);
 141   HostPortPair spdy_server_mail("mail.google.com", 443);
 142   impl_.SetSupportsSpdy(spdy_server_mail, true);
 143
 144   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_google));
 145   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_mail));
 146
 147   impl_.Clear();
 148   EXPECT_FALSE(impl_.SupportsRequestPriority(spdy_server_google));
 149   EXPECT_FALSE(impl_.SupportsRequestPriority(spdy_server_mail));
 150 }
 151
 152 TEST_F(SpdyServerPropertiesTest, GetSpdyServerList) {
 153   base::ListValue spdy_server_list;
 154
 155   // Check there are no spdy_servers.
 156   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 157   EXPECT_EQ(0U, spdy_server_list.GetSize());
 158
 159   // Check empty server is not added.
 160   HostPortPair spdy_server_empty(std::string(), 443);
 161   impl_.SetSupportsSpdy(spdy_server_empty, true);
 162   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 163   EXPECT_EQ(0U, spdy_server_list.GetSize());
 164
 165   std::string string_value_g;
 166   std::string string_value_m;
 167   HostPortPair spdy_server_google("www.google.com", 443);
 168   std::string spdy_server_g = spdy_server_google.ToString();
 169   HostPortPair spdy_server_mail("mail.google.com", 443);
 170   std::string spdy_server_m = spdy_server_mail.ToString();
 171
 172   // Add www.google.com:443 as not supporting SPDY.
 173   impl_.SetSupportsSpdy(spdy_server_google, false);
 174   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 175   EXPECT_EQ(0U, spdy_server_list.GetSize());
 176
 177   // Add www.google.com:443 as supporting SPDY.
 178   impl_.SetSupportsSpdy(spdy_server_google, true);
 179   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 180   ASSERT_EQ(1U, spdy_server_list.GetSize());
 181   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_g));
 182   ASSERT_EQ(spdy_server_g, string_value_g);
 183
 184   // Add mail.google.com:443 as not supporting SPDY.
 185   impl_.SetSupportsSpdy(spdy_server_mail, false);
 186   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 187   ASSERT_EQ(1U, spdy_server_list.GetSize());
 188   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_g));
 189   ASSERT_EQ(spdy_server_g, string_value_g);
 190
 191   // Add mail.google.com:443 as supporting SPDY.
 192   impl_.SetSupportsSpdy(spdy_server_mail, true);
 193   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 194   ASSERT_EQ(2U, spdy_server_list.GetSize());
 195
 196   // Verify www.google.com:443 and mail.google.com:443 are in the list.
 197   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_m));
 198   ASSERT_EQ(spdy_server_m, string_value_m);
 199   ASSERT_TRUE(spdy_server_list.GetString(1, &string_value_g));
 200   ASSERT_EQ(spdy_server_g, string_value_g);
 201
 202   // Request for only one server and verify that we get only one server.
 203   impl_.GetSpdyServerList(&spdy_server_list, 1);
 204   ASSERT_EQ(1U, spdy_server_list.GetSize());
 205   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_m));
 206   ASSERT_EQ(spdy_server_m, string_value_m);
 207 }
 208
 209 TEST_F(SpdyServerPropertiesTest, MRUOfGetSpdyServerList) {
 210   base::ListValue spdy_server_list;
 211
 212   std::string string_value_g;
 213   std::string string_value_m;
 214   HostPortPair spdy_server_google("www.google.com", 443);
 215   std::string spdy_server_g = spdy_server_google.ToString();
 216   HostPortPair spdy_server_mail("mail.google.com", 443);
 217   std::string spdy_server_m = spdy_server_mail.ToString();
 218
 219   // Add www.google.com:443 as supporting SPDY.
 220   impl_.SetSupportsSpdy(spdy_server_google, true);
 221   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 222   ASSERT_EQ(1U, spdy_server_list.GetSize());
 223   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_g));
 224   ASSERT_EQ(spdy_server_g, string_value_g);
 225
 226   // Add mail.google.com:443 as supporting SPDY. Verify mail.google.com:443 and
 227   // www.google.com:443 are in the list.
 228   impl_.SetSupportsSpdy(spdy_server_mail, true);
 229   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 230   ASSERT_EQ(2U, spdy_server_list.GetSize());
 231   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_m));
 232   ASSERT_EQ(spdy_server_m, string_value_m);
 233   ASSERT_TRUE(spdy_server_list.GetString(1, &string_value_g));
 234   ASSERT_EQ(spdy_server_g, string_value_g);
 235
 236   // Get www.google.com:443 should reorder SpdyServerHostPortMap. Verify that it
 237   // is www.google.com:443 is the MRU server.
 238   EXPECT_TRUE(impl_.SupportsRequestPriority(spdy_server_google));
 239   impl_.GetSpdyServerList(&spdy_server_list, kMaxSupportsSpdyServerHosts);
 240   ASSERT_EQ(2U, spdy_server_list.GetSize());
 241   ASSERT_TRUE(spdy_server_list.GetString(0, &string_value_g));
 242   ASSERT_EQ(spdy_server_g, string_value_g);
 243   ASSERT_TRUE(spdy_server_list.GetString(1, &string_value_m));
 244   ASSERT_EQ(spdy_server_m, string_value_m);
 245 }
 246
 247 typedef HttpServerPropertiesImplTest AlternateProtocolServerPropertiesTest;
 248
 249 TEST_F(AlternateProtocolServerPropertiesTest, Basic) {
 250   HostPortPair test_host_port_pair("foo", 80);
 251   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 252
 253   AlternativeService alternative_service(NPN_SPDY_4, "foo", 443);
 254   impl_.SetAlternativeService(test_host_port_pair, alternative_service, 1.0);
 255   ASSERT_TRUE(HasAlternativeService(test_host_port_pair));
 256   alternative_service = impl_.GetAlternativeService(test_host_port_pair);
 257   EXPECT_EQ(443, alternative_service.port);
 258   EXPECT_EQ(NPN_SPDY_4, alternative_service.protocol);
 259
 260   impl_.Clear();
 261   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 262 }
 263
 264 TEST_F(AlternateProtocolServerPropertiesTest, DefaultProbabilityExcluded) {
 265   HostPortPair test_host_port_pair("foo", 80);
 266   const AlternativeService alternative_service(NPN_SPDY_4, "foo", 443);
 267   impl_.SetAlternativeService(test_host_port_pair, alternative_service, 0.99);
 268
 269   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 270 }
 271
 272 TEST_F(AlternateProtocolServerPropertiesTest, Probability) {
 273   impl_.SetAlternativeServiceProbabilityThreshold(0.25);
 274
 275   HostPortPair test_host_port_pair("foo", 80);
 276   const AlternativeService alternative_service(NPN_SPDY_4, "foo", 443);
 277   impl_.SetAlternativeService(test_host_port_pair, alternative_service, 0.5);
 278   EXPECT_TRUE(HasAlternativeService(test_host_port_pair));
 279
 280   AlternativeServiceMap::const_iterator it =
 281       impl_.alternative_service_map().Peek(test_host_port_pair);
 282   ASSERT_TRUE(it != impl_.alternative_service_map().end());
 283   EXPECT_EQ(443, it->second.alternative_service.port);
 284   EXPECT_EQ(NPN_SPDY_4, it->second.alternative_service.protocol);
 285   EXPECT_EQ(0.5, it->second.probability);
 286 }
 287
 288 TEST_F(AlternateProtocolServerPropertiesTest, ProbabilityExcluded) {
 289   impl_.SetAlternativeServiceProbabilityThreshold(0.75);
 290
 291   HostPortPair test_host_port_pair("foo", 80);
 292   const AlternativeService alternative_service(NPN_SPDY_4, "foo", 443);
 293   impl_.SetAlternativeService(test_host_port_pair, alternative_service, 0.5);
 294   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 295 }
 296
 297 TEST_F(AlternateProtocolServerPropertiesTest, Initialize) {
 298   HostPortPair test_host_port_pair1("foo1", 80);
 299   const AlternativeService alternative_service1(NPN_SPDY_4, "foo1", 443);
 300   impl_.SetAlternativeService(test_host_port_pair1, alternative_service1, 1.0);
 301   impl_.MarkAlternativeServiceBroken(alternative_service1);
 302
 303   HostPortPair test_host_port_pair2("foo2", 80);
 304   const AlternativeService alternative_service2(NPN_SPDY_4, "foo2", 443);
 305   impl_.SetAlternativeService(test_host_port_pair2, alternative_service2, 1.0);
 306
 307   AlternativeServiceMap alternative_service_map(
 308       AlternativeServiceMap::NO_AUTO_EVICT);
 309   AlternativeServiceInfo alternative_service_info(NPN_SPDY_4, "bar", 123, 1.0);
 310   alternative_service_map.Put(test_host_port_pair2, alternative_service_info);
 311   HostPortPair test_host_port_pair3("foo3", 80);
 312   alternative_service_info.alternative_service.port = 1234;
 313   alternative_service_map.Put(test_host_port_pair3, alternative_service_info);
 314   impl_.InitializeAlternativeServiceServers(&alternative_service_map);
 315
 316   // Verify test_host_port_pair3 is the MRU server.
 317   const AlternativeServiceMap& map = impl_.alternative_service_map();
 318   AlternativeServiceMap::const_iterator it = map.begin();
 319   ASSERT_TRUE(it != map.end());
 320   EXPECT_TRUE(it->first.Equals(test_host_port_pair3));
 321   EXPECT_EQ(NPN_SPDY_4, it->second.alternative_service.protocol);
 322   EXPECT_EQ(1234, it->second.alternative_service.port);
 323
 324   ASSERT_TRUE(HasAlternativeService(test_host_port_pair1));
 325   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(alternative_service1));
 326   const AlternativeService alternative_service =
 327       impl_.GetAlternativeService(test_host_port_pair2);
 328   EXPECT_EQ(NPN_SPDY_4, alternative_service.protocol);
 329   EXPECT_EQ(123, alternative_service.port);
 330 }
 331
 332 // Regression test for https://crbug.com/504032:
 333 // InitializeAlternativeServiceServers() should not crash if there is an empty
 334 // hostname is the mapping.
 335 TEST_F(AlternateProtocolServerPropertiesTest, InitializeWithEmptyHostname) {
 336   const HostPortPair host_port_pair("foo", 443);
 337   const AlternativeService alternative_service_with_empty_hostname(NPN_SPDY_4,
 338                                                                    "", 1234);
 339   const AlternativeService alternative_service_with_foo_hostname(NPN_SPDY_4,
 340                                                                  "foo", 1234);
 341   impl_.SetAlternativeService(host_port_pair,
 342                               alternative_service_with_empty_hostname, 1.0);
 343   impl_.MarkAlternativeServiceBroken(alternative_service_with_foo_hostname);
 344
 345   AlternativeServiceMap alternative_service_map(
 346       AlternativeServiceMap::NO_AUTO_EVICT);
 347   impl_.InitializeAlternativeServiceServers(&alternative_service_map);
 348
 349   EXPECT_TRUE(
 350       impl_.IsAlternativeServiceBroken(alternative_service_with_foo_hostname));
 351   EXPECT_TRUE(impl_.GetAlternativeService(host_port_pair) ==
 352               alternative_service_with_foo_hostname);
 353 }
 354
 355 TEST_F(AlternateProtocolServerPropertiesTest, MRUOfGetAlternateProtocol) {
 356   HostPortPair test_host_port_pair1("foo1", 80);
 357   const AlternativeService alternative_service1(NPN_SPDY_4, "foo1", 443);
 358   impl_.SetAlternativeService(test_host_port_pair1, alternative_service1, 1.0);
 359   HostPortPair test_host_port_pair2("foo2", 80);
 360   const AlternativeService alternative_service2(NPN_SPDY_4, "foo2", 1234);
 361   impl_.SetAlternativeService(test_host_port_pair2, alternative_service2, 1.0);
 362
 363   const AlternativeServiceMap& map = impl_.alternative_service_map();
 364   AlternativeServiceMap::const_iterator it = map.begin();
 365   EXPECT_TRUE(it->first.Equals(test_host_port_pair2));
 366   EXPECT_EQ(NPN_SPDY_4, it->second.alternative_service.protocol);
 367   EXPECT_EQ(1234, it->second.alternative_service.port);
 368
 369   // GetAlternativeService should reorder the AlternateProtocol map.
 370   const AlternativeService alternative_service =
 371       impl_.GetAlternativeService(test_host_port_pair1);
 372   EXPECT_EQ(443, alternative_service.port);
 373   EXPECT_EQ(NPN_SPDY_4, alternative_service.protocol);
 374   it = map.begin();
 375   EXPECT_TRUE(it->first.Equals(test_host_port_pair1));
 376   EXPECT_EQ(NPN_SPDY_4, it->second.alternative_service.protocol);
 377   EXPECT_EQ(443, it->second.alternative_service.port);
 378 }
 379
 380 TEST_F(AlternateProtocolServerPropertiesTest, SetBroken) {
 381   HostPortPair test_host_port_pair("foo", 80);
 382   const AlternativeService alternative_service1(NPN_SPDY_4, "foo", 443);
 383   impl_.SetAlternativeService(test_host_port_pair, alternative_service1, 1.0);
 384   impl_.MarkAlternativeServiceBroken(alternative_service1);
 385   ASSERT_TRUE(HasAlternativeService(test_host_port_pair));
 386   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(alternative_service1));
 387
 388   const AlternativeService alternative_service2(NPN_SPDY_4, "foo", 1234);
 389   impl_.SetAlternativeService(test_host_port_pair, alternative_service2, 1.0);
 390   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(alternative_service1));
 391   EXPECT_FALSE(impl_.IsAlternativeServiceBroken(alternative_service2));
 392   EXPECT_EQ(1234, impl_.GetAlternativeService(test_host_port_pair).port);
 393 }
 394
 395 // A broken alternative service in the mapping carries meaningful information,
 396 // therefore it should not be ignored by SetAlternativeService().  In
 397 // particular, an alternative service mapped to an origin shadows alternative
 398 // services of canonical hosts.
 399 TEST_F(AlternateProtocolServerPropertiesTest, BrokenShadowsCanonical) {
 400   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 401   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 402   AlternativeService canonical_altsvc(QUIC, "bar.c.youtube.com", 1234);
 403   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 1.0);
 404   EXPECT_TRUE(impl_.GetAlternativeService(test_host_port_pair) ==
 405               canonical_altsvc);
 406
 407   const AlternativeService broken_alternative_service(NPN_SPDY_4, "foo", 443);
 408   impl_.MarkAlternativeServiceBroken(broken_alternative_service);
 409   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(broken_alternative_service));
 410
 411   impl_.SetAlternativeService(test_host_port_pair, broken_alternative_service,
 412                               1.0);
 413   ASSERT_EQ(broken_alternative_service,
 414             impl_.GetAlternativeService(test_host_port_pair));
 415   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(broken_alternative_service));
 416 }
 417
 418 TEST_F(AlternateProtocolServerPropertiesTest, ClearBroken) {
 419   HostPortPair test_host_port_pair("foo", 80);
 420   const AlternativeService alternative_service(NPN_SPDY_4, "foo", 443);
 421   impl_.SetAlternativeService(test_host_port_pair, alternative_service, 1.0);
 422   impl_.MarkAlternativeServiceBroken(alternative_service);
 423   ASSERT_TRUE(HasAlternativeService(test_host_port_pair));
 424   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(alternative_service));
 425   impl_.ClearAlternativeService(test_host_port_pair);
 426   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(alternative_service));
 427 }
 428
 429 TEST_F(AlternateProtocolServerPropertiesTest, MarkRecentlyBroken) {
 430   HostPortPair host_port_pair("foo", 80);
 431   const AlternativeService alternative_service(NPN_SPDY_4, "foo", 443);
 432   impl_.SetAlternativeService(host_port_pair, alternative_service, 1.0);
 433
 434   EXPECT_FALSE(impl_.IsAlternativeServiceBroken(alternative_service));
 435   EXPECT_FALSE(impl_.WasAlternativeServiceRecentlyBroken(alternative_service));
 436
 437   impl_.MarkAlternativeServiceRecentlyBroken(alternative_service);
 438   EXPECT_FALSE(impl_.IsAlternativeServiceBroken(alternative_service));
 439   EXPECT_TRUE(impl_.WasAlternativeServiceRecentlyBroken(alternative_service));
 440
 441   impl_.ConfirmAlternativeService(alternative_service);
 442   EXPECT_FALSE(impl_.IsAlternativeServiceBroken(alternative_service));
 443   EXPECT_FALSE(impl_.WasAlternativeServiceRecentlyBroken(alternative_service));
 444 }
 445
 446 TEST_F(AlternateProtocolServerPropertiesTest, Canonical) {
 447   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 448   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 449
 450   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 451   EXPECT_FALSE(HasAlternativeService(canonical_port_pair));
 452
 453   AlternativeService canonical_altsvc(QUIC, "bar.c.youtube.com", 1234);
 454   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 1.0);
 455   // Verify the forced protocol.
 456   ASSERT_TRUE(HasAlternativeService(test_host_port_pair));
 457   const AlternativeService alternative_service =
 458       impl_.GetAlternativeService(test_host_port_pair);
 459   EXPECT_EQ(canonical_altsvc.port, alternative_service.port);
 460   EXPECT_EQ(canonical_altsvc.protocol, alternative_service.protocol);
 461
 462   // Verify the canonical suffix.
 463   EXPECT_EQ(".c.youtube.com",
 464             impl_.GetCanonicalSuffix(test_host_port_pair.host()));
 465   EXPECT_EQ(".c.youtube.com",
 466             impl_.GetCanonicalSuffix(canonical_port_pair.host()));
 467 }
 468
 469 TEST_F(AlternateProtocolServerPropertiesTest, CanonicalDefaultHost) {
 470   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 471   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 472
 473   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 474   EXPECT_FALSE(HasAlternativeService(canonical_port_pair));
 475
 476   AlternativeService canonical_altsvc(QUIC, "", 1234);
 477   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 1.0);
 478   ASSERT_TRUE(HasAlternativeService(test_host_port_pair));
 479   const AlternativeService alternative_service =
 480       impl_.GetAlternativeService(test_host_port_pair);
 481   EXPECT_EQ(canonical_altsvc.protocol, alternative_service.protocol);
 482   EXPECT_EQ(test_host_port_pair.host(), alternative_service.host);
 483   EXPECT_EQ(canonical_altsvc.port, alternative_service.port);
 484 }
 485
 486 TEST_F(AlternateProtocolServerPropertiesTest, CanonicalBelowThreshold) {
 487   impl_.SetAlternativeServiceProbabilityThreshold(0.02);
 488
 489   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 490   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 491   AlternativeService canonical_altsvc(QUIC, "bar.c.youtube.com", 1234);
 492
 493   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 0.01);
 494   EXPECT_FALSE(HasAlternativeService(canonical_port_pair));
 495   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 496 }
 497
 498 TEST_F(AlternateProtocolServerPropertiesTest, CanonicalAboveThreshold) {
 499   impl_.SetAlternativeServiceProbabilityThreshold(0.02);
 500
 501   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 502   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 503   AlternativeService canonical_altsvc(QUIC, "bar.c.youtube.com", 1234);
 504
 505   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 0.03);
 506   EXPECT_TRUE(HasAlternativeService(canonical_port_pair));
 507   EXPECT_TRUE(HasAlternativeService(test_host_port_pair));
 508 }
 509
 510 TEST_F(AlternateProtocolServerPropertiesTest, ClearCanonical) {
 511   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 512   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 513   AlternativeService canonical_altsvc(QUIC, "bar.c.youtube.com", 1234);
 514
 515   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 1.0);
 516   impl_.ClearAlternativeService(canonical_port_pair);
 517   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 518 }
 519
 520 TEST_F(AlternateProtocolServerPropertiesTest, CanonicalBroken) {
 521   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 522   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 523   AlternativeService canonical_altsvc(QUIC, "bar.c.youtube.com", 1234);
 524
 525   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 1.0);
 526   impl_.MarkAlternativeServiceBroken(canonical_altsvc);
 527   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 528 }
 529
 530 // Adding an alternative service for a new host overrides canonical host.
 531 TEST_F(AlternateProtocolServerPropertiesTest, CanonicalOverride) {
 532   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 533   HostPortPair bar_host_port_pair("bar.c.youtube.com", 80);
 534   AlternativeService bar_alternative_service(QUIC, "bar.c.youtube.com", 1234);
 535   impl_.SetAlternativeService(bar_host_port_pair, bar_alternative_service, 1.0);
 536   AlternativeService altsvc = impl_.GetAlternativeService(test_host_port_pair);
 537   EXPECT_EQ(1234, altsvc.port);
 538
 539   HostPortPair qux_host_port_pair("qux.c.youtube.com", 80);
 540   AlternativeService qux_alternative_service(QUIC, "qux.c.youtube.com", 443);
 541   impl_.SetAlternativeService(qux_host_port_pair, qux_alternative_service, 1.0);
 542   altsvc = impl_.GetAlternativeService(test_host_port_pair);
 543   EXPECT_EQ(443, altsvc.port);
 544 }
 545
 546 TEST_F(AlternateProtocolServerPropertiesTest, ClearWithCanonical) {
 547   HostPortPair test_host_port_pair("foo.c.youtube.com", 80);
 548   HostPortPair canonical_port_pair("bar.c.youtube.com", 80);
 549   AlternativeService canonical_altsvc(QUIC, "bar.c.youtube.com", 1234);
 550
 551   impl_.SetAlternativeService(canonical_port_pair, canonical_altsvc, 1.0);
 552   impl_.Clear();
 553   EXPECT_FALSE(HasAlternativeService(test_host_port_pair));
 554 }
 555
 556 TEST_F(AlternateProtocolServerPropertiesTest,
 557        ExpireBrokenAlternateProtocolMappings) {
 558   HostPortPair host_port_pair("foo", 443);
 559   AlternativeService alternative_service(QUIC, "foo", 443);
 560   impl_.SetAlternativeService(host_port_pair, alternative_service, 1.0);
 561   EXPECT_TRUE(HasAlternativeService(host_port_pair));
 562   EXPECT_FALSE(impl_.IsAlternativeServiceBroken(alternative_service));
 563   EXPECT_FALSE(impl_.WasAlternativeServiceRecentlyBroken(alternative_service));
 564
 565   base::TimeTicks past =
 566       base::TimeTicks::Now() - base::TimeDelta::FromSeconds(42);
 567   HttpServerPropertiesImplPeer::AddBrokenAlternativeServiceWithExpirationTime(
 568       impl_, alternative_service, past);
 569   EXPECT_TRUE(impl_.IsAlternativeServiceBroken(alternative_service));
 570   EXPECT_TRUE(impl_.WasAlternativeServiceRecentlyBroken(alternative_service));
 571
 572   HttpServerPropertiesImplPeer::ExpireBrokenAlternateProtocolMappings(impl_);
 573   EXPECT_FALSE(impl_.IsAlternativeServiceBroken(alternative_service));
 574   // TODO(bnc): Test WasAlternativeServiceRecentlyBroken once it's changed to
 575   // take AlternativeService as argument.
 576 }
 577
 578 typedef HttpServerPropertiesImplTest SpdySettingsServerPropertiesTest;
 579
 580 TEST_F(SpdySettingsServerPropertiesTest, Initialize) {
 581   HostPortPair spdy_server_google("www.google.com", 443);
 582
 583   // Check by initializing empty spdy settings.
 584   SpdySettingsMap spdy_settings_map(SpdySettingsMap::NO_AUTO_EVICT);
 585   impl_.InitializeSpdySettingsServers(&spdy_settings_map);
 586   EXPECT_TRUE(impl_.GetSpdySettings(spdy_server_google).empty());
 587
 588   // Check by initializing with www.google.com:443 spdy server settings.
 589   SettingsMap settings_map;
 590   const SpdySettingsIds id = SETTINGS_UPLOAD_BANDWIDTH;
 591   const SpdySettingsFlags flags = SETTINGS_FLAG_PERSISTED;
 592   const uint32 value = 31337;
 593   SettingsFlagsAndValue flags_and_value(flags, value);
 594   settings_map[id] = flags_and_value;
 595   spdy_settings_map.Put(spdy_server_google, settings_map);
 596   impl_.InitializeSpdySettingsServers(&spdy_settings_map);
 597
 598   const SettingsMap& settings_map2 = impl_.GetSpdySettings(spdy_server_google);
 599   ASSERT_EQ(1U, settings_map2.size());
 600   SettingsMap::const_iterator it = settings_map2.find(id);
 601   EXPECT_TRUE(it != settings_map2.end());
 602   SettingsFlagsAndValue flags_and_value2 = it->second;
 603   EXPECT_EQ(flags, flags_and_value2.first);
 604   EXPECT_EQ(value, flags_and_value2.second);
 605 }
 606
 607 TEST_F(SpdySettingsServerPropertiesTest, SetSpdySetting) {
 608   HostPortPair spdy_server_empty(std::string(), 443);
 609   const SettingsMap& settings_map0 = impl_.GetSpdySettings(spdy_server_empty);
 610   EXPECT_EQ(0U, settings_map0.size());  // Returns kEmptySettingsMap.
 611
 612   // Add www.google.com:443 as persisting.
 613   HostPortPair spdy_server_google("www.google.com", 443);
 614   const SpdySettingsIds id1 = SETTINGS_UPLOAD_BANDWIDTH;
 615   const SpdySettingsFlags flags1 = SETTINGS_FLAG_PLEASE_PERSIST;
 616   const uint32 value1 = 31337;
 617   EXPECT_TRUE(impl_.SetSpdySetting(spdy_server_google, id1, flags1, value1));
 618   // Check the values.
 619   const SettingsMap& settings_map1_ret =
 620       impl_.GetSpdySettings(spdy_server_google);
 621   ASSERT_EQ(1U, settings_map1_ret.size());
 622   SettingsMap::const_iterator it1_ret = settings_map1_ret.find(id1);
 623   EXPECT_TRUE(it1_ret != settings_map1_ret.end());
 624   SettingsFlagsAndValue flags_and_value1_ret = it1_ret->second;
 625   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value1_ret.first);
 626   EXPECT_EQ(value1, flags_and_value1_ret.second);
 627
 628   // Add mail.google.com:443 as not persisting.
 629   HostPortPair spdy_server_mail("mail.google.com", 443);
 630   const SpdySettingsIds id2 = SETTINGS_DOWNLOAD_BANDWIDTH;
 631   const SpdySettingsFlags flags2 = SETTINGS_FLAG_NONE;
 632   const uint32 value2 = 62667;
 633   EXPECT_FALSE(impl_.SetSpdySetting(spdy_server_mail, id2, flags2, value2));
 634   const SettingsMap& settings_map2_ret =
 635       impl_.GetSpdySettings(spdy_server_mail);
 636   EXPECT_EQ(0U, settings_map2_ret.size());  // Returns kEmptySettingsMap.
 637
 638   // Add docs.google.com:443 as persisting
 639   HostPortPair spdy_server_docs("docs.google.com", 443);
 640   const SpdySettingsIds id3 = SETTINGS_ROUND_TRIP_TIME;
 641   const SpdySettingsFlags flags3 = SETTINGS_FLAG_PLEASE_PERSIST;
 642   const uint32 value3 = 93997;
 643   SettingsFlagsAndValue flags_and_value3(flags3, value3);
 644   EXPECT_TRUE(impl_.SetSpdySetting(spdy_server_docs, id3, flags3, value3));
 645   // Check the values.
 646   const SettingsMap& settings_map3_ret =
 647       impl_.GetSpdySettings(spdy_server_docs);
 648   ASSERT_EQ(1U, settings_map3_ret.size());
 649   SettingsMap::const_iterator it3_ret = settings_map3_ret.find(id3);
 650   EXPECT_TRUE(it3_ret != settings_map3_ret.end());
 651   SettingsFlagsAndValue flags_and_value3_ret = it3_ret->second;
 652   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value3_ret.first);
 653   EXPECT_EQ(value3, flags_and_value3_ret.second);
 654
 655   // Check data for www.google.com:443 (id1).
 656   const SettingsMap& settings_map4_ret =
 657       impl_.GetSpdySettings(spdy_server_google);
 658   ASSERT_EQ(1U, settings_map4_ret.size());
 659   SettingsMap::const_iterator it4_ret = settings_map4_ret.find(id1);
 660   EXPECT_TRUE(it4_ret != settings_map4_ret.end());
 661   SettingsFlagsAndValue flags_and_value4_ret = it4_ret->second;
 662   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value4_ret.first);
 663   EXPECT_EQ(value1, flags_and_value1_ret.second);
 664
 665   // Clear www.google.com:443 as persisting.
 666   impl_.ClearSpdySettings(spdy_server_google);
 667   // Check the values.
 668   const SettingsMap& settings_map5_ret =
 669       impl_.GetSpdySettings(spdy_server_google);
 670   ASSERT_EQ(0U, settings_map5_ret.size());
 671
 672   // Clear all settings.
 673   ASSERT_GT(impl_.spdy_settings_map().size(), 0U);
 674   impl_.ClearAllSpdySettings();
 675   ASSERT_EQ(0U, impl_.spdy_settings_map().size());
 676 }
 677
 678 TEST_F(SpdySettingsServerPropertiesTest, Clear) {
 679   // Add www.google.com:443 as persisting.
 680   HostPortPair spdy_server_google("www.google.com", 443);
 681   const SpdySettingsIds id1 = SETTINGS_UPLOAD_BANDWIDTH;
 682   const SpdySettingsFlags flags1 = SETTINGS_FLAG_PLEASE_PERSIST;
 683   const uint32 value1 = 31337;
 684   EXPECT_TRUE(impl_.SetSpdySetting(spdy_server_google, id1, flags1, value1));
 685   // Check the values.
 686   const SettingsMap& settings_map1_ret =
 687       impl_.GetSpdySettings(spdy_server_google);
 688   ASSERT_EQ(1U, settings_map1_ret.size());
 689   SettingsMap::const_iterator it1_ret = settings_map1_ret.find(id1);
 690   EXPECT_TRUE(it1_ret != settings_map1_ret.end());
 691   SettingsFlagsAndValue flags_and_value1_ret = it1_ret->second;
 692   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value1_ret.first);
 693   EXPECT_EQ(value1, flags_and_value1_ret.second);
 694
 695   // Add docs.google.com:443 as persisting
 696   HostPortPair spdy_server_docs("docs.google.com", 443);
 697   const SpdySettingsIds id3 = SETTINGS_ROUND_TRIP_TIME;
 698   const SpdySettingsFlags flags3 = SETTINGS_FLAG_PLEASE_PERSIST;
 699   const uint32 value3 = 93997;
 700   EXPECT_TRUE(impl_.SetSpdySetting(spdy_server_docs, id3, flags3, value3));
 701   // Check the values.
 702   const SettingsMap& settings_map3_ret =
 703       impl_.GetSpdySettings(spdy_server_docs);
 704   ASSERT_EQ(1U, settings_map3_ret.size());
 705   SettingsMap::const_iterator it3_ret = settings_map3_ret.find(id3);
 706   EXPECT_TRUE(it3_ret != settings_map3_ret.end());
 707   SettingsFlagsAndValue flags_and_value3_ret = it3_ret->second;
 708   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value3_ret.first);
 709   EXPECT_EQ(value3, flags_and_value3_ret.second);
 710
 711   impl_.Clear();
 712   EXPECT_EQ(0U, impl_.GetSpdySettings(spdy_server_google).size());
 713   EXPECT_EQ(0U, impl_.GetSpdySettings(spdy_server_docs).size());
 714 }
 715
 716 TEST_F(SpdySettingsServerPropertiesTest, MRUOfGetSpdySettings) {
 717   // Add www.google.com:443 as persisting.
 718   HostPortPair spdy_server_google("www.google.com", 443);
 719   const SpdySettingsIds id1 = SETTINGS_UPLOAD_BANDWIDTH;
 720   const SpdySettingsFlags flags1 = SETTINGS_FLAG_PLEASE_PERSIST;
 721   const uint32 value1 = 31337;
 722   EXPECT_TRUE(impl_.SetSpdySetting(spdy_server_google, id1, flags1, value1));
 723
 724   // Add docs.google.com:443 as persisting
 725   HostPortPair spdy_server_docs("docs.google.com", 443);
 726   const SpdySettingsIds id2 = SETTINGS_ROUND_TRIP_TIME;
 727   const SpdySettingsFlags flags2 = SETTINGS_FLAG_PLEASE_PERSIST;
 728   const uint32 value2 = 93997;
 729   EXPECT_TRUE(impl_.SetSpdySetting(spdy_server_docs, id2, flags2, value2));
 730
 731   // Verify the first element is docs.google.com:443.
 732   const SpdySettingsMap& map = impl_.spdy_settings_map();
 733   SpdySettingsMap::const_iterator it = map.begin();
 734   EXPECT_TRUE(it->first.Equals(spdy_server_docs));
 735   const SettingsMap& settings_map2_ret = it->second;
 736   ASSERT_EQ(1U, settings_map2_ret.size());
 737   SettingsMap::const_iterator it2_ret = settings_map2_ret.find(id2);
 738   EXPECT_TRUE(it2_ret != settings_map2_ret.end());
 739   SettingsFlagsAndValue flags_and_value2_ret = it2_ret->second;
 740   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value2_ret.first);
 741   EXPECT_EQ(value2, flags_and_value2_ret.second);
 742
 743   // GetSpdySettings should reorder the SpdySettingsMap.
 744   const SettingsMap& settings_map1_ret =
 745       impl_.GetSpdySettings(spdy_server_google);
 746   ASSERT_EQ(1U, settings_map1_ret.size());
 747   SettingsMap::const_iterator it1_ret = settings_map1_ret.find(id1);
 748   EXPECT_TRUE(it1_ret != settings_map1_ret.end());
 749   SettingsFlagsAndValue flags_and_value1_ret = it1_ret->second;
 750   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value1_ret.first);
 751   EXPECT_EQ(value1, flags_and_value1_ret.second);
 752
 753   // Check the first entry is spdy_server_google by accessing it via iterator.
 754   it = map.begin();
 755   EXPECT_TRUE(it->first.Equals(spdy_server_google));
 756   const SettingsMap& settings_map1_it_ret = it->second;
 757   ASSERT_EQ(1U, settings_map1_it_ret.size());
 758   it1_ret = settings_map1_it_ret.find(id1);
 759   EXPECT_TRUE(it1_ret != settings_map1_it_ret.end());
 760   flags_and_value1_ret = it1_ret->second;
 761   EXPECT_EQ(SETTINGS_FLAG_PERSISTED, flags_and_value1_ret.first);
 762   EXPECT_EQ(value1, flags_and_value1_ret.second);
 763 }
 764
 765 typedef HttpServerPropertiesImplTest SupportsQuicServerPropertiesTest;
 766
 767 TEST_F(SupportsQuicServerPropertiesTest, Initialize) {
 768   HostPortPair quic_server_google("www.google.com", 443);
 769
 770   // Check by initializing empty address.
 771   IPAddressNumber initial_address;
 772   impl_.InitializeSupportsQuic(&initial_address);
 773
 774   IPAddressNumber address;
 775   EXPECT_FALSE(impl_.GetSupportsQuic(&address));
 776   EXPECT_TRUE(address.empty());
 777
 778   // Check by initializing with a valid address.
 779   CHECK(ParseIPLiteralToNumber("127.0.0.1", &initial_address));
 780   impl_.InitializeSupportsQuic(&initial_address);
 781
 782   EXPECT_TRUE(impl_.GetSupportsQuic(&address));
 783   EXPECT_EQ(initial_address, address);
 784 }
 785
 786 TEST_F(SupportsQuicServerPropertiesTest, SetSupportsQuic) {
 787   IPAddressNumber address;
 788   EXPECT_FALSE(impl_.GetSupportsQuic(&address));
 789   EXPECT_TRUE(address.empty());
 790
 791   IPAddressNumber actual_address;
 792   CHECK(ParseIPLiteralToNumber("127.0.0.1", &actual_address));
 793   impl_.SetSupportsQuic(true, actual_address);
 794
 795   EXPECT_TRUE(impl_.GetSupportsQuic(&address));
 796   EXPECT_EQ(actual_address, address);
 797
 798   impl_.Clear();
 799
 800   EXPECT_FALSE(impl_.GetSupportsQuic(&address));
 801 }
 802
 803 typedef HttpServerPropertiesImplTest ServerNetworkStatsServerPropertiesTest;
 804
 805 TEST_F(ServerNetworkStatsServerPropertiesTest, Initialize) {
 806   HostPortPair google_server("www.google.com", 443);
 807
 808   // Check by initializing empty ServerNetworkStats.
 809   ServerNetworkStatsMap server_network_stats_map(
 810       ServerNetworkStatsMap::NO_AUTO_EVICT);
 811   impl_.InitializeServerNetworkStats(&server_network_stats_map);
 812   const ServerNetworkStats* stats = impl_.GetServerNetworkStats(google_server);
 813   EXPECT_EQ(NULL, stats);
 814
 815   // Check by initializing with www.google.com:443.
 816   ServerNetworkStats stats1;
 817   stats1.srtt = base::TimeDelta::FromMicroseconds(10);
 818   stats1.bandwidth_estimate = QuicBandwidth::FromBitsPerSecond(100);
 819   server_network_stats_map.Put(google_server, stats1);
 820   impl_.InitializeServerNetworkStats(&server_network_stats_map);
 821
 822   const ServerNetworkStats* stats2 = impl_.GetServerNetworkStats(google_server);
 823   EXPECT_EQ(10, stats2->srtt.ToInternalValue());
 824   EXPECT_EQ(100, stats2->bandwidth_estimate.ToBitsPerSecond());
 825 }
 826
 827 TEST_F(ServerNetworkStatsServerPropertiesTest, SetServerNetworkStats) {
 828   HostPortPair foo_server("foo", 80);
 829   const ServerNetworkStats* stats = impl_.GetServerNetworkStats(foo_server);
 830   EXPECT_EQ(NULL, stats);
 831
 832   ServerNetworkStats stats1;
 833   stats1.srtt = base::TimeDelta::FromMicroseconds(10);
 834   stats1.bandwidth_estimate = QuicBandwidth::FromBitsPerSecond(100);
 835   impl_.SetServerNetworkStats(foo_server, stats1);
 836
 837   const ServerNetworkStats* stats2 = impl_.GetServerNetworkStats(foo_server);
 838   EXPECT_EQ(10, stats2->srtt.ToInternalValue());
 839   EXPECT_EQ(100, stats2->bandwidth_estimate.ToBitsPerSecond());
 840
 841   impl_.Clear();
 842   const ServerNetworkStats* stats3 = impl_.GetServerNetworkStats(foo_server);
 843   EXPECT_EQ(NULL, stats3);
 844 }
 845
 846 }  // namespace
 847
 848 }  // namespace net