Undisable HostResolverImplTest.EmptyHost, by making empty host fail to resolv...

net/base/host_resolver_impl_unittest.cc

 // Copyright (c) 2006-2008 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/base/host_resolver_impl.h"
 
 #if defined(OS_WIN)
 #include <ws2tcpip.h>
 #include <wspiapi.h>
 #elif defined(OS_POSIX)
@@ skipping 326 matching lines @@
 
   const uint8 expect_addr[] = {
     0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
   };
   for (int i = 0; i < 16; i++) {
     EXPECT_EQ(expect_addr[i], sa_in6->sin6_addr.s6_addr[i]);
   }
 }
 
-// TODO(eroman): This test is disabled because it is bogus. It used to pass
-// solely because of a bug in the RuleBasedHostMapper -- (empty replacements
-// would map to a failure). However when using the actual host resolver
-// (getaddrinfo), this is not necessarily the case. On windows getaddrinfo("")
-// gives you the address of your machine.
-TEST_F(HostResolverImplTest, DISABLED_EmptyHost) {
+TEST_F(HostResolverImplTest, EmptyHost) {
   scoped_refptr<RuleBasedHostResolverProc> resolver_proc =
       new RuleBasedHostResolverProc(NULL);
   resolver_proc->AllowDirectLookup("*");
 
   scoped_refptr<net::HostResolver> host_resolver(
       new HostResolverImpl(resolver_proc, kMaxCacheEntries, kMaxCacheAgeMs));
   net::AddressList adrlist;
   const int kPortnum = 5555;
   net::HostResolver::RequestInfo info("", kPortnum);
   int err = host_resolver->Resolve(NULL, info, &adrlist, NULL, NULL);
@@ skipping 597 matching lines @@
   EXPECT_EQ(2U, observer.start_log.size());
   EXPECT_EQ(0U, observer.finish_log.size());
   EXPECT_EQ(2U, observer.cancel_log.size());
 
   net::HostResolver::RequestInfo info("host2", 60);
   EXPECT_TRUE(observer.cancel_log[1] ==
               CapturingObserver::StartOrCancelEntry(1, info));
 }
 
 }  // namespace