public class ClosedEntityManagerTest extends BaseEntityManagerFunctionalTestCase {

	@Test
	public void getTransactionOnClosedEntityManagerShouldReturnNotNUll() {
		EntityManager em = createEntityManager();
		assertThat( em.getTransaction(), CoreMatchers.notNullValue() );
		em.close();
		assertThat( em.getTransaction(), CoreMatchers.notNullValue() );
	}

	@Test
	public void getTransactionOnClosedEntityManagerCallIsActive() {
		EntityManager em = createEntityManager();
		assertThat( em.getTransaction(), CoreMatchers.notNullValue() );
		em.close();
		assertFalse( em.getTransaction().isActive() );
	}

	@Test(expected = IllegalStateException.class)
	public void getTransactionOnClosedEntityManagerCallBegin() {
		EntityManager em = createEntityManager();
		assertThat( em.getTransaction(), CoreMatchers.notNullValue() );
		em.close();
		em.getTransaction().begin();
	}

	@Test(expected = IllegalStateException.class)
	public void getTransactionOnClosedEntityManagerCallSetRollBackOnly() {
		EntityManager em = createEntityManager();
		assertThat( em.getTransaction(), CoreMatchers.notNullValue() );
		em.close();
		em.getTransaction().setRollbackOnly();
	}

	@Test(expected = IllegalStateException.class)
	public void getTransactionOnClosedEntityManagerCallRollBack() {
		EntityManager em = createEntityManager();
		assertThat( em.getTransaction(), CoreMatchers.notNullValue() );
		em.close();
		em.getTransaction().rollback();
	}

	@Test(expected = IllegalStateException.class)
	public void getTransactionOnClosedEntityManagerCallGetRollBackOnly() {
		EntityManager em = createEntityManager();
		assertThat( em.getTransaction(), CoreMatchers.notNullValue() );
		em.close();
		em.getTransaction().getRollbackOnly();
	}
}