question: public void testSplitAndJoinMultiplePropertiesOnDot ( ) { Properties inner = PropertyUtils . splitPropertiesOnDelimiter ( ONE_DOT_TWO , '.' ) ; assertEquals ( "hello" , inner . getProperty ( "inner-1" ) ) ; assertEquals ( "goodbye" , inner . getProperty ( "inner-2" ) ) ; assertEquals ( 2 , inner . size ( ) ) ; try { assertEquals ( ONE_DOT_TWO , PropertyUtils . joinOnDelimiter ( PropertyUtils . toMap ( inner ) , '.' ) ) ; } catch ( ComparisonFailure e ) { assertEquals ( TWO_DOT_ONE , PropertyUtils . joinOnDelimiter ( PropertyUtils . toMap ( inner ) , '.' ) ) ; } }
target:  Test split and join of properties (using dot).