Metacat

        testCase18();

    /**

     * case 18. P1(S1) <->P2(S1) -> ??  ???<-P5(S1) S1 = P5 (P2 is a type 2 end and P4  is a type 1 end, not an ideal chain)

     * @throws Exception

     */

    private void testCase18() throws Exception {

        Identifier s1 = new Identifier();

        s1.setValue("S1");

        Identifier s2 = new Identifier();

        s2.setValue("S2");

        Identifier p1 = new Identifier();

        p1.setValue("P1");

        Identifier p2 = new Identifier();

        p2.setValue("P2");

        Identifier p3 = new Identifier();

        p3.setValue("P3");

        Identifier p4 = new Identifier();

        p4.setValue("P4");

        Identifier p5 = new Identifier();

        p5.setValue("P5");

        SystemMetadata p1Sys = new SystemMetadata();

        p1Sys.setIdentifier(p1);

        p1Sys.setSeriesId(s1);

        p1Sys.setObsoletedBy(p2);

        p1Sys.setDateUploaded(new Date(100));

        SystemMetadata p2Sys = new SystemMetadata();

        p2Sys.setIdentifier(p2);

        p2Sys.setSeriesId(s1);

        p2Sys.setObsoletes(p1);

        p2Sys.setObsoletedBy(p3);

        p2Sys.setDateUploaded(new Date(200));

        SystemMetadata p5Sys = new SystemMetadata();

        p5Sys.setIdentifier(p5);

        p5Sys.setSeriesId(s1);

        p5Sys.setObsoletes(p4);

        p5Sys.setDateUploaded(new Date(500));

        Vector<SystemMetadata> chain = new Vector<SystemMetadata>();

        chain.add(p1Sys);

        chain.add(p2Sys);

        chain.add(p5Sys);

        System.out.println("Case 18:");

        Identifier head = getHeadVersion(s1, chain);

        //System.out.println("The head is "+head.getValue());

        assertTrue(head.equals(p5));

    }