KeyStoreSpi ksSpi = new MyKeyStoreSpi();
assertNull("engineGetKey(..) must return null", ksSpi.engineGetKey("",
new char[0]));
assertNull("engineGetCertificateChain(..) must return null", ksSpi
.engineGetCertificateChain(""));
assertNull("engineGetCertificate(..) must return null", ksSpi
.engineGetCertificate(""));
assertEquals("engineGetCreationDate(..) must return Date(0)",
new Date(0), ksSpi.engineGetCreationDate(""));
try {
ksSpi.engineSetKeyEntry("", null, new char[0], new Certificate[0]);