def test_aero_1(self): """checks the AERO card""" acsid = 0. velocity = None cref = 1.0 rho_ref = 1.0 aero = AERO(velocity, cref, rho_ref, acsid=acsid, sym_xz=0, sym_xy=0, comment='aero card') with self.assertRaises(TypeError): aero.validate() acsid = 0 aero = AERO(velocity, cref, rho_ref, acsid=acsid, sym_xz=0., sym_xy=0, comment='aero card') with self.assertRaises(TypeError): aero.validate() aero = AERO(velocity, cref, rho_ref, acsid=acsid, sym_xz=0, sym_xy=0., comment='aero card') with self.assertRaises(TypeError): aero.validate() aero = AERO(velocity, cref, rho_ref, acsid=acsid, sym_xz=0, sym_xy=0., comment='aero card') with self.assertRaises(TypeError): aero.validate() aero = AERO(velocity, cref, rho_ref, acsid=None, sym_xz=0, sym_xy=0, comment='aero card') aero.validate() aero.write_card() aero.raw_fields() model = BDF() aero.cross_reference(model) aero.write_card() aero.raw_fields() aero.uncross_reference() aero.write_card() aero.raw_fields()