assertEquals( Long.valueOf( -9223372036854775808L ), service.convert( "-9223372036854775808", Long.class ) );
assertEquals( Long.valueOf( -2147483648L ), service.convert( "-2147483648", Long.class ) );
assertEquals( Long.valueOf( -32768L ), service.convert( "-32768", Long.class ) );
assertEquals( Long.valueOf( -128L ), service.convert( "-128", Long.class ) );
assertEquals( Long.valueOf( -48L ), service.convert( "-48", Long.class ) );
assertEquals( Long.valueOf( 0L ), service.convert( "0", Long.class ) );
assertEquals( Long.valueOf( 47L ), service.convert( "47", Long.class ) );
assertEquals( Long.valueOf( 127L ), service.convert( "127", Long.class ) );
assertEquals( Long.valueOf( 32767L ), service.convert( "32767", Long.class ) );
assertEquals( Long.valueOf( 2147483647L ), service.convert( "2147483647", Long.class ) );
assertEquals( Long.valueOf( 9223372036854775807L ), service.convert( "9223372036854775807", Long.class ) );