DnsProbeJob: Differentiate network and DNS errors

chrome/browser/net/dns_probe_job_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/net/dns_probe_job.h"
 
 #include "base/basictypes.h"
 #include "base/message_loop.h"
 #include "base/run_loop.h"
 #include "net/base/net_log.h"
@@ skipping 88 matching lines @@
     { MockDnsClientRule::OK,
       MockDnsClientRule::EMPTY,
       DnsProbeJob::SERVERS_CORRECT },
     { MockDnsClientRule::EMPTY,
       MockDnsClientRule::EMPTY,
       DnsProbeJob::SERVERS_INCORRECT },
     // TODO(ttuttle): Test that triggers QUERY_DNS_ERROR.
     //                (Need to add another mock behavior to MockDnsClient.)
     { MockDnsClientRule::FAIL_ASYNC,
       MockDnsClientRule::FAIL_ASYNC,
-      DnsProbeJob::SERVERS_UNREACHABLE },
+      DnsProbeJob::SERVERS_FAILING },
     { MockDnsClientRule::FAIL_SYNC,
       MockDnsClientRule::FAIL_SYNC,
+      DnsProbeJob::SERVERS_FAILING },
+    { MockDnsClientRule::TIMEOUT,
+      MockDnsClientRule::TIMEOUT,
       DnsProbeJob::SERVERS_UNREACHABLE },
   };
   for (size_t i = 0; i < arraysize(kTestCases); i++) {
     const TestCase* test_case = &kTestCases[i];
     RunProbe(test_case->good_result, test_case->bad_result);
     EXPECT_TRUE(callback_called_);
     EXPECT_EQ(test_case->expected_probe_result, callback_result_);
   }
 }
 
 }  // namespace
 
 }  // namespace chrome_browser_net