Hello, I've just started using the Boost Unit Test Framework so my problem may be a bit naive. I would like to name each test suite after each of my classes. e.g. class foo { } BOOST_AUTO_TEST_SUITE(foo) { foo bar; BOOST_REQUIRE_SOMETHING(bar ... etc ...); } This is a problem because the BOOST_AUTO_TEST_SUITE macro expands to: namespace foo { ... etc ... } and the compiler gives an error: 'namespace foo{}' redeclared as a different symbol. I solved the problem by changing the namespace name to something less likely to collide. e.g. #define BOOST_AUTO_TEST_SUITE( suite_name ) \ namespace suite_name ## _boost { \ BOOST_AUTO_TU_REGISTRAR( suite_name ## _boost )( BOOST_STRINGIZE( suite_name ) ); \ /**/ Tested and it works. Comments? regards, Aras Vaichas