Full merge from trunk at revision 41356 of entire boost-root tree.

[SVN r41370]

test/virtual_base_test.cpp

@@ -0,0 +1,85 @@
+/////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga  2007
+//
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/intrusive for documentation.
+//
+/////////////////////////////////////////////////////////////////////////////
+#include <boost/intrusive/list.hpp>
+#include <boost/intrusive/slist.hpp>
+#include <boost/intrusive/set.hpp>
+#include <boost/intrusive/unordered_set.hpp>
+#include <vector>
+
+using namespace boost::intrusive;
+
+struct VirtualBase
+{
+   virtual ~VirtualBase(){}
+};
+
+struct VirtualBase2
+{
+   virtual ~VirtualBase2(){}
+};
+
+struct VirtualBase3
+{
+};
+
+class NonVirtualBase
+   :  public virtual VirtualBase
+   ,  public virtual VirtualBase2
+{
+   public:
+   int dummy[10];
+};
+
+class MyClass
+   :  public NonVirtualBase
+   ,  public virtual VirtualBase3
+{
+   int int_;
+   public:
+   list_member_hook<> list_hook_;
+   MyClass(int i = 0)
+      :  int_(i)
+   {}
+};
+
+//Define a list that will store MyClass using the public base hook
+typedef member_hook< MyClass, list_member_hook<>, &MyClass::list_hook_ > MemberHook;
+typedef list<MyClass, MemberHook> List;
+
+int main()
+{
+   typedef std::vector<MyClass>::iterator VectIt;
+   typedef std::vector<MyClass>::reverse_iterator VectRit;
+
+   //Create several MyClass objects, each one with a different value
+   std::vector<MyClass> values;
+   for(int i = 0; i < 100; ++i)  values.push_back(MyClass(i));
+
+   List  my_list;
+
+   //Now insert them in the reverse order
+   //in the base hook intrusive list
+   for(VectIt it(values.begin()), itend(values.end()); it != itend; ++it)
+      my_list.push_front(*it);
+
+   //Now test lists
+   {
+      List::const_iterator  list_it(my_list.cbegin());
+      VectRit vect_it(values.rbegin()), vect_itend(values.rend());
+
+      //Test the objects inserted in the base hook list
+      for(; vect_it != vect_itend; ++vect_it, ++list_it)
+         if(&*list_it  != &*vect_it)   return 1;
+   }
+
+   return 0;
+}