Retry upon 421 status code without IP pooling.

net/spdy/spdy_session_pool_unittest.cc

 // Copyright (c) 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/spdy/spdy_session_pool.h"
 
 #include <cstddef>
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 373 matching lines @@
 
   // Flush the SpdySession::OnReadComplete() task.
   base::RunLoop().RunUntilIdle();
 
   // The third host has no overlap with the first, so it can't pool IPs.
   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_hosts[2].key));
 
   // The second host overlaps with the first, and should IP pool.
   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
 
+  // However, if IP pooling is disabled, FindAvailableSession() should not find
+  // |session| for the second host.
+  base::WeakPtr<SpdySession> session1 =
+      spdy_session_pool_->FindAvailableSession(
+          test_hosts[1].key, GURL(test_hosts[1].url),
+          /* enable_ip_based_pooling = */ false, NetLogWithSource());
+  EXPECT_FALSE(session1);
+
   // Verify that the second host, through a proxy, won't share the IP.
   SpdySessionKey proxy_key(test_hosts[1].key.host_port_pair(),
       ProxyServer::FromPacString("HTTP http://proxy.foo.com/"),
       PRIVACY_MODE_DISABLED);
   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, proxy_key));
 
   // Overlap between 2 and 3 does is not transitive to 1.
   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_hosts[2].key));
 
   // Create a new session to host 2.
   StaticSocketDataProvider data2(reads, arraysize(reads), NULL, 0);
   data2.set_connect_data(connect_data);
   session_deps_.socket_factory->AddSocketDataProvider(&data2);
 
   AddSSLSocketData();
 
   base::WeakPtr<SpdySession> session2 = CreateSecureSpdySession(
       http_session_.get(), test_hosts[2].key, NetLogWithSource());
 
   // Verify that we have sessions for everything.
   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[0].key));
   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[2].key));
 
   // Grab the session to host 1 and verify that it is the same session
   // we got with host 0, and that is a different from host 2's session.
-  base::WeakPtr<SpdySession> session1 =
-      spdy_session_pool_->FindAvailableSession(
-          test_hosts[1].key, GURL(test_hosts[1].url),
-          /* enable_ip_based_pooling = */ true, NetLogWithSource());
+  session1 = spdy_session_pool_->FindAvailableSession(
+      test_hosts[1].key, GURL(test_hosts[1].url),
+      /* enable_ip_based_pooling = */ true, NetLogWithSource());
   EXPECT_EQ(session.get(), session1.get());
   EXPECT_NE(session2.get(), session1.get());
 
   // Remove the aliases and observe that we still have a session for host1.
   SpdySessionPoolPeer pool_peer(spdy_session_pool_);
   pool_peer.RemoveAliases(test_hosts[0].key);
   pool_peer.RemoveAliases(test_hosts[1].key);
   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
 
   // Expire the host cache
@@ skipping 458 matching lines @@
         active_session_count_attr->GetString("value", &active_session_count));
     // No created stream so the session should be idle.
     ASSERT_EQ("0", active_session_count);
     did_dump = true;
   }
   EXPECT_TRUE(did_dump);
   spdy_session_pool_->CloseCurrentSessions(ERR_ABORTED);
 }
 
 }  // namespace net