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/enable_error_info_test.cpp

@@ -0,0 +1,57 @@
+//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 "helper1.hpp"
+#include <boost/exception/info.hpp>
+#include <boost/exception/diagnostic_information.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+namespace
+    {
+    typedef boost::error_info<struct tag_test_int,int> test_int;
+
+    void
+    throw_wrapper()
+        {
+        try
+            {
+            boost::exception_test::throw_length_error();
+            }
+        catch(
+        boost::exception & x )
+            {
+            x << test_int(42);
+            throw;
+            }
+        catch(
+        ... )
+            {
+            BOOST_TEST(false);
+            }
+        }
+    }
+
+int
+main()
+    {
+    try
+        {
+        throw_wrapper();
+        BOOST_TEST(false);
+        }
+    catch(
+    std::exception & x )
+        {
+        BOOST_TEST( 42==*boost::get_error_info<test_int>(x) );
+        BOOST_TEST( std::string(x.what())==std::string("exception test length error") );
+        BOOST_TEST( std::string(x.what())!=std::string(boost::diagnostic_information(x)) );
+        }
+    catch(
+    ... )
+        {
+        BOOST_TEST(false);
+        }
+    return boost::report_errors();
+    }