assertEquals( 1,
queryResults.size() );
// europe=[ ], america=[ 1, 2, 3 ]
p1.setStatus( "america" );
workingMemory.update( c1FactHandle,
p1 );
workingMemory.fireAllRules();
queryResults = workingMemory.getQueryResults( "2 persons with the same status" );
assertEquals( 2,
queryResults.size() );