PersistentClass pc = getCfg().getClassMapping(
"org.hibernate.tool.hbm2x.Order" );
assertEquals( null, c2j.getPOJOClass(pc).getExtends() );
POJOClass entityPOJOClass = c2j.getPOJOClass(getCfg().getClassMapping(
"HelloWorld" ));
assertEquals( "Comparable", entityPOJOClass.getExtends() );
assertEquals( "should be interface which cannot have implements", null,
entityPOJOClass.getImplements() );
assertEquals( "should be interface which cannot have implements", "",
entityPOJOClass.getImplementsDeclaration() );
PersistentClass base = new RootClass();
base.setClassName( "Base" );
PersistentClass sub = new SingleTableSubclass( base );