Fix multi-round authentication....

net/http/http_network_transaction_unittest.cc

 // Copyright (c) 2010 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_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 6636 matching lines @@
       "Content-Length: 3\r\n\r\n"
       "Yes");
 
   MockWrite writes[] = {
     // First round
     kGet,
     // Second round
     kGetAuth,
     // Third round
     kGetAuth,
+    // Fourth round
+    kGetAuth
   };
   MockRead reads[] = {
     // First round
     kServerChallenge,
     // Second round
     kServerChallenge,
     // Third round
+    kServerChallenge,
+    // Fourth round
     kSuccess,
   };
   StaticSocketDataProvider data_provider(reads, arraysize(reads),
                                          writes, arraysize(writes));
   session_deps.socket_factory.AddSocketDataProvider(&data_provider);
 
   // First round
   auth_handler->SetGenerateExpectation(false, OK);
   rv = trans->Start(&request, &callback, BoundNetLog());
   if (rv == ERR_IO_PENDING)
@@ skipping 15 matching lines @@
 
   // Third round
   auth_handler->SetGenerateExpectation(false, OK);
   rv = trans->RestartWithAuth(string16(), string16(), &callback);
   if (rv == ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(OK, rv);
   response = trans->GetResponseInfo();
   ASSERT_FALSE(response == NULL);
   EXPECT_TRUE(response->auth_challenge.get() == NULL);
+
+  // Fourth round
+  auth_handler->SetGenerateExpectation(false, OK);
+  rv = trans->RestartWithAuth(string16(), string16(), &callback);
+  if (rv == ERR_IO_PENDING)
+    rv = callback.WaitForResult();
+  EXPECT_EQ(OK, rv);
+  response = trans->GetResponseInfo();
+  ASSERT_FALSE(response == NULL);
+  EXPECT_TRUE(response->auth_challenge.get() == NULL);
 }
 
 class TLSDecompressionFailureSocketDataProvider : public SocketDataProvider {
  public:
   explicit TLSDecompressionFailureSocketDataProvider(bool fail_all)
       : fail_all_(fail_all) {
   }
 
   virtual MockRead GetNextRead() {
     if (fail_all_)
@@ skipping 549 matching lines @@
   size_t pos = ExpectLogContainsSomewhere(
       log.entries(), 0, NetLog::TYPE_HTTP_TRANSACTION_SEND_TUNNEL_HEADERS,
       NetLog::PHASE_NONE);
   ExpectLogContainsSomewhere(
       log.entries(), pos,
       NetLog::TYPE_HTTP_TRANSACTION_READ_TUNNEL_RESPONSE_HEADERS,
       NetLog::PHASE_NONE);
 }
 
 }  // namespace net