certFactorySpi.engineGenerateCertPath(dis);
fail("CertificateException must be thrown");
} catch (CertificateException e) {
}
try {
certFactorySpi.engineGenerateCertPath(bais, "aa");
fail("CertificateException must be thrown");
} catch (CertificateException e) {
}
certFactorySpi.engineGenerateCertPath(dis, "");
certFactorySpi.engineGenerateCertPath(dis, "ss");