merged changes in regex5 branch

[SVN r26692]

test/object_cache/object_cache_test.cpp

@@ -0,0 +1,75 @@
+/*
+ *
+ * Copyright (c) 2004
+ * Dr John Maddock
+ *
+ * Use, modification and distribution are subject to 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)
+ *
+ */
+
+ /*
+  *   LOCATION:    see http://www.boost.org for most recent version.
+  *   FILE         object_cache_test.cpp
+  *   VERSION      see <boost/version.hpp>
+  *   DESCRIPTION: Test code for a generic object cache.
+  */
+#include <boost/regex/pending/object_cache.hpp>
+#include <boost/test/included/test_exec_monitor.hpp>
+
+class test_object
+{
+public:
+   test_object(int i)
+      : m_value(i)
+   {
+      ++s_count;
+   }
+   int value()const
+   {
+      return m_value;
+   }
+   static int count()
+   {
+      return s_count;
+   }
+private:
+   int m_value;
+   static int s_count;
+};
+
+int test_object::s_count = 0;
+
+static const int max_cache_size = 5;
+
+int test_main(int /*argc*/, char * /*argv*/[])
+{
+   int i;
+   for(i = 0; i < 20; ++i)
+   {
+      boost::shared_ptr<test_object> p = boost::object_cache<int, test_object>::get(i, max_cache_size);
+      BOOST_TEST(p->value() == i);
+      p = boost::object_cache<int, test_object>::get(i, max_cache_size);
+      BOOST_TEST(p->value() == i);
+      if(i)
+      {
+         p = boost::object_cache<int, test_object>::get(i-1, max_cache_size);
+         BOOST_TEST(p->value() == i-1);
+      }
+   }
+   int current_count = test_object::count();
+   for(int j = 0; j < 10; ++j)
+   {
+      for(i = 20 - max_cache_size; i < 20; ++i)
+      {
+         boost::shared_ptr<test_object> p = boost::object_cache<int, test_object>::get(i, max_cache_size);
+         BOOST_TEST(p->value() == i);
+         p = boost::object_cache<int, test_object>::get(i, max_cache_size);
+         BOOST_TEST(p->value() == i);
+      }
+   }
+   BOOST_TEST(current_count == test_object::count());
+   return 0;
+}
+