* This will verify that we can load an old BRL change. If this fails, then
* backwards compatibility is broken.
*/
@Test
public void testBackwardsCompat() throws Exception {
PackageDataModelOracle dmo = mock(PackageDataModelOracle.class);
RuleModel m2 = BRXMLPersistence.getInstance().unmarshal( loadResource( "existing_brl.xml" ), dmo );
assertNotNull( m2 );
assertEquals( 3,
m2.rhs.length );