jdk-24/test/jdk/javax/security/auth/Subject/Serial.java

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 */

/*
 * @test
 * @bug 4364826
 * @modules jdk.security.auth
 * @summary     Subject serialized principal set is
 *              implementation-dependent class
 */

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.HashSet;
import java.util.Set;
import javax.security.auth.Subject;

public class Serial implements java.io.Serializable {

    public static void main(String[] args) {

        try {
            FileOutputStream fos = new FileOutputStream("serial.tmp");
            ObjectOutputStream oos = new ObjectOutputStream(fos);

            HashSet principals = new HashSet();
            principals.add
                (new com.sun.security.auth.NTUserPrincipal("test"));
            principals.add
                (new com.sun.security.auth.NTDomainPrincipal("test2"));

            Subject s = new Subject
                                (false,
                                principals,
                                new HashSet(),
                                new HashSet());
            oos.writeObject(s);
            oos.flush();
            fos.close();

            FileInputStream fis = new FileInputStream("serial.tmp");
            ObjectInputStream ois = new ObjectInputStream(fis);

            Subject s2 = (Subject)ois.readObject();
            fis.close();

            System.out.println("s2 = " + s2.toString());
            System.out.println("s2.getPrincipals().size() = " +
                                s2.getPrincipals().size());
            if (!s.equals(s2) || !s2.equals(s)) {
                throw new SecurityException("Serial test failed: " +
                                        "EQUALS TEST FAILED");
            }

            System.out.println("Serial test succeeded");
        } catch (Exception e) {
            e.printStackTrace();
            throw new SecurityException("Serial test failed");
        }
    }
}