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

    Region newRegion = _persistence.create(pk);

    newRegion.setMvccVersion(RandomTestUtil.nextLong());

    newRegion.setCountryId(RandomTestUtil.nextLong());

    newRegion.setRegionCode(RandomTestUtil.randomString());

    newRegion.setName(RandomTestUtil.randomString());

    newRegion.setActive(RandomTestUtil.randomBoolean());

    _persistence.update(newRegion);

    Region existingRegion = _persistence.findByPrimaryKey(newRegion.getPrimaryKey());

    Assert.assertEquals(existingRegion.getMvccVersion(), newRegion.getMvccVersion());
    Assert.assertEquals(existingRegion.getRegionId(), newRegion.getRegionId());
    Assert.assertEquals(existingRegion.getCountryId(), newRegion.getCountryId());
    Assert.assertEquals(existingRegion.getRegionCode(), newRegion.getRegionCode());
    Assert.assertEquals(existingRegion.getName(), newRegion.getName());
    Assert.assertEquals(existingRegion.getActive(), newRegion.getActive());
  }