Boost Exception

In other libraries, watch for compile error referring to throw_exception_assert_compatibility in boost::throw_exception. Resolve by throwing an exception that derives from std::exception. This is not a new requirement but it is being enforced now.

[SVN r46818]

test/what_test.cpp

@@ -0,0 +1,32 @@
+//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
+
+//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/exception/exception.hpp>
+#include <exception>
+#include <string>
+#include <boost/detail/lightweight_test.hpp>
+
+struct
+test_exception:
+    std::exception,
+    boost::exception
+    {
+    char const *
+    what() const throw()
+        {
+        return "test_exception";
+        }
+    };
+
+int
+main()
+    {
+    test_exception x;
+    std::exception & sx(x);
+    boost::exception & bx(x);
+    BOOST_TEST(std::string(sx.what())=="test_exception");
+    BOOST_TEST(std::string(bx.what())=="test_exception");
+    return boost::report_errors();
+    }