@Test
public void testGetVC() {

    connectionSetup();
    Iterator<SdxL2ConnectionPoint> lhs = setupLhsCPs().iterator();
    Iterator<SdxL2ConnectionPoint> rhs = setupRhsCPs().iterator();
    String vc;
    SdxL2ConnectionPoint one;
    SdxL2ConnectionPoint two;
    while (lhs.hasNext()) {
        one = lhs.next();
        two = rhs.next();
        vc = one.toString().compareTo(two.toString()) < 0 ?
                format(SdxL2VCManager.SDXL2_CPS_FORMAT, one, two) :
                format(SdxL2VCManager.SDXL2_CPS_FORMAT, two, one);
        assertEquals(vc, manager.getVC(one, two));
    }
    SdxL2ConnectionPoint cpLeft = SdxL2ConnectionPoint.sdxl2ConnectionPoint("TEST1", CP1, VLANS1, CEMAC1);
    SdxL2ConnectionPoint cpRight = SdxL2ConnectionPoint.sdxl2ConnectionPoint("TEST1", CP3, VLANS3, CEMAC1);
    assertNull(manager.getVC(cpLeft, cpRight));
}