import unittest

def suite():
    modules_to_test = ('stacksim', 'all', 'linklist', 'workstar',
                       'cgraph', 'bitset', 'rjbuffer', 'lookup_library')
    alltests = unittest.TestSuite()
    for module in map(__import__, modules_to_test):
        module.add_tests (alltests)
        pass
    return alltests

if __name__ == '__main__':
    unittest.main(defaultTest='suite')