':py:obj:`SSLeay_version` takes a version type indicator and returns
one of a number of version strings based on that indicator.'

def test_SSLeay_version(self):

    versions = {}
    for t in [SSLEAY_VERSION, SSLEAY_CFLAGS, SSLEAY_BUILT_ON, SSLEAY_PLATFORM, SSLEAY_DIR]:
        version = SSLeay_version(t)
        versions[version] = t
        self.assertTrue(isinstance(version, bytes))
    self.assertEqual(len(versions), 5)
