Add more checked_delete tests, a visit_each test.

test/visit_each_test.cpp

@@ -0,0 +1,65 @@
+//
+// visit_each_test.cpp
+//
+// 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/visit_each.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <string>
+
+struct X
+{
+    int v;
+    std::string w;
+};
+
+template<class Visitor> inline void visit_each( Visitor & visitor, X const & x )
+{
+    using boost::visit_each;
+
+    visit_each( visitor, x.v );
+    visit_each( visitor, x.w );
+}
+
+struct V
+{
+    int s_;
+
+    V(): s_( 0 )
+    {
+    }
+
+    template< class T > void operator()( T const & t )
+    {
+    }
+
+    void operator()( int const & v )
+    {
+        s_ = s_ * 10 + v;
+    }
+
+    void operator()( std::string const & w )
+    {
+        s_ = s_ * 10 + w.size();
+    }
+};
+
+int main()
+{
+    X x = { 5, "test" };
+    V v;
+
+    {
+        using boost::visit_each;
+        visit_each( v, x );
+    }
+
+    BOOST_TEST( v.s_ == 54 );
+
+    return boost::report_errors();
+}