static void assertEuropeanVanillaEquityIndexOptionSecurity(
     EquityIndexOptionSecurity expectedOption, Security sec) {
   // check specific bits we want to spot failures on quickly
   assertNotNull(sec);
   assertTrue(sec instanceof EquityIndexOptionSecurity);
   final EquityIndexOptionSecurity equityIndexOption = (EquityIndexOptionSecurity) sec;
   assertTrue(equityIndexOption.getExerciseType() instanceof EuropeanExerciseType);
   assertEquityIndexOptionSecurity(expectedOption, sec);
 }