System.setSecurityManager(new SecurityManager());
}
DynamicPolicyProvider policy = new DynamicPolicyProvider();
policy.grant((Class) null,(Principal[]) null, (Permission[]) null);
try {
policy.grant((Class) null, new Principal[]{ null }, (Permission[]) null);
throw new Error();
} catch (NullPointerException e) {
}
try {
policy.grant((Class) null, (Principal[]) null, new Permission[]{ null });