Use manually constructed IPv6 socket addresses for tests, rather than system ...

net/base/mock_host_resolver.h

 // Copyright (c) 2009 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.
 
 #ifndef NET_BASE_MOCK_HOST_RESOLVER_H_
 #define NET_BASE_MOCK_HOST_RESOLVER_H_
 
 #include <list>
 
 #include "base/waitable_event.h"
@@ skipping 80 matching lines @@
 class RuleBasedHostResolverProc : public HostResolverProc {
  public:
   explicit RuleBasedHostResolverProc(HostResolverProc* previous);
   ~RuleBasedHostResolverProc();
 
   // Any hostname matching the given pattern will be replaced with the given
   // replacement value.  Usually, replacement should be an IP address literal.
   void AddRule(const std::string& host_pattern,
                const std::string& replacement);
 
+  // Same as AddRule(), but the replacement is expected to be an IPV6 literal.
+  // You should use this in place of AddRule(), since the system's host resolver
+  // may not support IPv6 literals on all systems. Whereas this variant
+  // constructs the socket address directly so it will always work.
+  void AddIPv6Rule(const std::string& host_pattern,
+                   const std::string& ipv6_literal);
+
   void AddRuleWithLatency(const std::string& host_pattern,
                           const std::string& replacement,
                           int latency_ms);
 
   // Make sure that |host| will not be re-mapped or even processed by underlying
   // host resolver procedures. It can also be a pattern.
   void AllowDirectLookup(const std::string& host);
 
   // Simulate a lookup failure for |host| (it also can be a pattern).
   void AddSimulatedFailure(const std::string& host);
 
   // HostResolverProc methods:
   virtual int Resolve(const std::string& host, AddressList* addrlist);
 
  private:
   struct Rule;
   typedef std::list<Rule> RuleList;
+
   RuleList rules_;
 };
 
 // Using WaitingHostResolverProc you can simulate very long lookups.
 class WaitingHostResolverProc : public HostResolverProc {
  public:
   explicit WaitingHostResolverProc(HostResolverProc* previous)
       : HostResolverProc(previous), event_(false, false) {}
 
   void Signal() {
@@ skipping 26 matching lines @@
   void Init(HostResolverProc* proc);
 
  private:
   scoped_refptr<HostResolverProc> current_proc_;
   scoped_refptr<HostResolverProc> previous_proc_;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_MOCK_HOST_RESOLVER_H_