Add more checked_delete tests, a visit_each test.

test/checked_delete_test.cpp

@@ -0,0 +1,58 @@
+// Boost checked_delete test program
+
+// Copyright Beman Dawes 2001. Copyright 2014 Peter Dimov.
+// 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
+
+#include <boost/core/checked_delete.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+struct X
+{
+    static int instances;
+
+    X()
+    {
+        ++instances;
+    }
+
+    ~X()
+    {
+        --instances;
+    }
+
+private:
+
+    X( X const & );
+    X & operator=( X const & );
+};
+
+int X::instances = 0;
+
+int main()
+{
+    BOOST_TEST( X::instances == 0 );
+
+    {
+        X * p = new X;
+
+        BOOST_TEST( X::instances == 1 );
+
+        boost::checked_delete( p );
+
+        BOOST_TEST( X::instances == 0 );
+    }
+
+    {
+        X * p = new X[ 3 ];
+
+        BOOST_TEST( X::instances == 3 );
+
+        boost::checked_array_delete( p );
+
+        BOOST_TEST( X::instances == 0 );
+    }
+
+    return boost::report_errors();
+}