public void testCertPathValidatorSpi01() throws CertPathValidatorException,
InvalidAlgorithmParameterException {
CertPathValidatorSpi certPathValid = new MyCertPathValidatorSpi();
CertPathParameters params = null;
CertPath certPath = null;
CertPathValidatorResult cpvResult = certPathValid.engineValidate(
certPath, params);
assertNull("Not null CertPathValidatorResult", cpvResult);
try {
certPathValid.engineValidate(certPath, params);
fail("CertPathValidatorException must be thrown");