--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stdcpp/tsrc/Boost_test/multi_index/src/test_observers.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,56 @@
+/* Boost.MultiIndex test for observer memfuns.
+ *
+ * Copyright 2003-2005 Joaquín M López Muñoz.
+ * 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/multi_index for library home page.
+ */
+
+#include "test_observers.hpp"
+
+#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
+#include <algorithm>
+#include <vector>
+#include "pre_multi_index.hpp"
+#include "employee.hpp"
+#include <boost/test/test_tools.hpp>
+
+using namespace boost::multi_index;
+
+void test_observers()
+{
+  employee_set                es;
+  const employee_set_by_name& i1=get<by_name>(es);
+  const employee_set_by_age&  i2=get<age>(es);
+
+  es.insert(employee(0,"Joe",31,1123));
+  es.insert(employee(1,"Robert",27,5601));
+  es.insert(employee(2,"John",40,7889));
+  es.insert(employee(3,"Albert",20,9012));
+  es.insert(employee(4,"John",57,1002));
+
+  {
+    employee_set_by_name::key_from_value k=i1.key_extractor();
+    employee_set_by_name::hasher         h=i1.hash_function();
+    employee_set_by_name::key_equal      eq=i1.key_eq();
+
+    employee_set_by_name::const_iterator it0=i1.equal_range("John").first;
+    employee_set_by_name::const_iterator it1=it0;++it1;
+    BOOST_CHECK(k(*it0)=="John"&&k(*it1)=="John");
+    BOOST_CHECK(h(k(*it0))==h(k(*it1)));
+    BOOST_CHECK(eq(k(*it0),k(*it1))==true);
+  }
+  {
+    employee_set_by_age::key_from_value k=i2.key_extractor();
+    employee_set_by_age::key_compare    c=i2.key_comp();
+    employee_set_by_age::value_compare  vc=i2.value_comp();
+
+    employee_set_by_age::const_iterator it0=i2.find(31);
+    employee_set_by_age::const_iterator it1=i2.find(40);
+    BOOST_CHECK(k(*it0)==31&&k(*it1)==40);
+    BOOST_CHECK(c(k(*it0),k(*it1))==true);
+    BOOST_CHECK(vc(*it0,*it1)==true);
+  }
+}