protected Contact addContact() throws Exception {
    long pk = RandomTestUtil.nextLong();

    Contact contact = _persistence.create(pk);

    contact.setMvccVersion(RandomTestUtil.nextLong());

    contact.setCompanyId(RandomTestUtil.nextLong());

    contact.setUserId(RandomTestUtil.nextLong());

    contact.setUserName(RandomTestUtil.randomString());

    contact.setCreateDate(RandomTestUtil.nextDate());

    contact.setModifiedDate(RandomTestUtil.nextDate());

    contact.setClassNameId(RandomTestUtil.nextLong());

    contact.setClassPK(RandomTestUtil.nextLong());

    contact.setAccountId(RandomTestUtil.nextLong());

    contact.setParentContactId(RandomTestUtil.nextLong());

    contact.setEmailAddress(RandomTestUtil.randomString());

    contact.setFirstName(RandomTestUtil.randomString());

    contact.setMiddleName(RandomTestUtil.randomString());

    contact.setLastName(RandomTestUtil.randomString());

    contact.setPrefixId(RandomTestUtil.nextLong());

    contact.setSuffixId(RandomTestUtil.nextLong());

    contact.setMale(RandomTestUtil.randomBoolean());

    contact.setBirthday(RandomTestUtil.nextDate());

    contact.setSmsSn(RandomTestUtil.randomString());

    contact.setFacebookSn(RandomTestUtil.randomString());

    contact.setJabberSn(RandomTestUtil.randomString());

    contact.setSkypeSn(RandomTestUtil.randomString());

    contact.setTwitterSn(RandomTestUtil.randomString());

    contact.setEmployeeStatusId(RandomTestUtil.randomString());

    contact.setEmployeeNumber(RandomTestUtil.randomString());

    contact.setJobTitle(RandomTestUtil.randomString());

    contact.setJobClass(RandomTestUtil.randomString());

    contact.setHoursOfOperation(RandomTestUtil.randomString());

    _contacts.add(_persistence.update(contact));

    return contact;
  }
  @Test
  public void testUpdateExisting() throws Exception {
    long pk = RandomTestUtil.nextLong();

    Contact newContact = _persistence.create(pk);

    newContact.setMvccVersion(RandomTestUtil.nextLong());

    newContact.setCompanyId(RandomTestUtil.nextLong());

    newContact.setUserId(RandomTestUtil.nextLong());

    newContact.setUserName(RandomTestUtil.randomString());

    newContact.setCreateDate(RandomTestUtil.nextDate());

    newContact.setModifiedDate(RandomTestUtil.nextDate());

    newContact.setClassNameId(RandomTestUtil.nextLong());

    newContact.setClassPK(RandomTestUtil.nextLong());

    newContact.setAccountId(RandomTestUtil.nextLong());

    newContact.setParentContactId(RandomTestUtil.nextLong());

    newContact.setEmailAddress(RandomTestUtil.randomString());

    newContact.setFirstName(RandomTestUtil.randomString());

    newContact.setMiddleName(RandomTestUtil.randomString());

    newContact.setLastName(RandomTestUtil.randomString());

    newContact.setPrefixId(RandomTestUtil.nextLong());

    newContact.setSuffixId(RandomTestUtil.nextLong());

    newContact.setMale(RandomTestUtil.randomBoolean());

    newContact.setBirthday(RandomTestUtil.nextDate());

    newContact.setSmsSn(RandomTestUtil.randomString());

    newContact.setFacebookSn(RandomTestUtil.randomString());

    newContact.setJabberSn(RandomTestUtil.randomString());

    newContact.setSkypeSn(RandomTestUtil.randomString());

    newContact.setTwitterSn(RandomTestUtil.randomString());

    newContact.setEmployeeStatusId(RandomTestUtil.randomString());

    newContact.setEmployeeNumber(RandomTestUtil.randomString());

    newContact.setJobTitle(RandomTestUtil.randomString());

    newContact.setJobClass(RandomTestUtil.randomString());

    newContact.setHoursOfOperation(RandomTestUtil.randomString());

    _contacts.add(_persistence.update(newContact));

    Contact existingContact = _persistence.findByPrimaryKey(newContact.getPrimaryKey());

    Assert.assertEquals(existingContact.getMvccVersion(), newContact.getMvccVersion());
    Assert.assertEquals(existingContact.getContactId(), newContact.getContactId());
    Assert.assertEquals(existingContact.getCompanyId(), newContact.getCompanyId());
    Assert.assertEquals(existingContact.getUserId(), newContact.getUserId());
    Assert.assertEquals(existingContact.getUserName(), newContact.getUserName());
    Assert.assertEquals(
        Time.getShortTimestamp(existingContact.getCreateDate()),
        Time.getShortTimestamp(newContact.getCreateDate()));
    Assert.assertEquals(
        Time.getShortTimestamp(existingContact.getModifiedDate()),
        Time.getShortTimestamp(newContact.getModifiedDate()));
    Assert.assertEquals(existingContact.getClassNameId(), newContact.getClassNameId());
    Assert.assertEquals(existingContact.getClassPK(), newContact.getClassPK());
    Assert.assertEquals(existingContact.getAccountId(), newContact.getAccountId());
    Assert.assertEquals(existingContact.getParentContactId(), newContact.getParentContactId());
    Assert.assertEquals(existingContact.getEmailAddress(), newContact.getEmailAddress());
    Assert.assertEquals(existingContact.getFirstName(), newContact.getFirstName());
    Assert.assertEquals(existingContact.getMiddleName(), newContact.getMiddleName());
    Assert.assertEquals(existingContact.getLastName(), newContact.getLastName());
    Assert.assertEquals(existingContact.getPrefixId(), newContact.getPrefixId());
    Assert.assertEquals(existingContact.getSuffixId(), newContact.getSuffixId());
    Assert.assertEquals(existingContact.getMale(), newContact.getMale());
    Assert.assertEquals(
        Time.getShortTimestamp(existingContact.getBirthday()),
        Time.getShortTimestamp(newContact.getBirthday()));
    Assert.assertEquals(existingContact.getSmsSn(), newContact.getSmsSn());
    Assert.assertEquals(existingContact.getFacebookSn(), newContact.getFacebookSn());
    Assert.assertEquals(existingContact.getJabberSn(), newContact.getJabberSn());
    Assert.assertEquals(existingContact.getSkypeSn(), newContact.getSkypeSn());
    Assert.assertEquals(existingContact.getTwitterSn(), newContact.getTwitterSn());
    Assert.assertEquals(existingContact.getEmployeeStatusId(), newContact.getEmployeeStatusId());
    Assert.assertEquals(existingContact.getEmployeeNumber(), newContact.getEmployeeNumber());
    Assert.assertEquals(existingContact.getJobTitle(), newContact.getJobTitle());
    Assert.assertEquals(existingContact.getJobClass(), newContact.getJobClass());
    Assert.assertEquals(existingContact.getHoursOfOperation(), newContact.getHoursOfOperation());
  }