Added comment to various array swapping tests, added member typedef to swap_test_template, to make the test more realistic.

[SVN r49953]

swap/test/array_of_class.cpp

@@ -4,6 +4,8 @@
 // (See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 
+// Tests swapping an array of arrays of swap_test_class objects by means of boost::swap.
+
 #include <boost/utility/swap.hpp>
 #define BOOST_INCLUDE_MAIN
 #include <boost/test/test_tools.hpp>