mapcss "area" rule: inconsistency asserts and validator

[Famlam]

What steps will reproduce the problem?

1. Have the following mapcss rule:

   area[building] {
     throwWarning: "Area rule matches";
     assertMatch: "way building=yes";
     assertNoMatch: "way building=yes area=no";
   }
   

2. Validate a (closed) way with building=yes. You see a validator warning "Area rule matches" as expected
3. Validate a (closed) way with building=yes and area=no. You see no validator warnings
4. Now check the result of the asserts in the log:

   Expecting test 'Area rule matches' (i.e., [area[building]]) to not match way building=yes area=no (i.e., TagMap[area=no,building=yes])
   

What is the expected result?

Behavior of the asserts and the validator are the same

What happens instead?

Validator in UI takes into account that ways with area=no are excluded.
The assert does not take this into account.

Please provide any additional information below. Attach a screenshot if possible.

area=no is filtered out here: https://josm.openstreetmap.de/browser/josm/trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSStyleIndex.java#L141

Revision:18721
Build-Date:2023-05-03 12:38:30

Identification: JOSM/1.5 (18721 nl) Windows 10 64-Bit
OS Build number: Windows 10 Home 2009 (19045)
Memory Usage: 296 MB / 2012 MB (158 MB allocated, but free)
Java version: 17.0.7+7-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1920×1080 (scaling 1.10×1.10)
Maximum Screen Size: 1920×1080
Best cursor sizes: 16×16→32×32, 32×32→32×32
System property file.encoding: Cp1252
System property sun.jnu.encoding: Cp1252
Locale info: nl_NL
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djpackage.app-version=1.5.18721, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, --add-exports=java.base/sun.security.action=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED, --add-opens=java.base/java.lang=ALL-UNNAMED, --add-opens=java.base/java.nio=ALL-UNNAMED, --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED, --add-opens=java.base/jdk.internal.ref=ALL-UNNAMED, --add-opens=java.desktop/javax.imageio.spi=ALL-UNNAMED, --add-opens=java.desktop/javax.swing.text.html=ALL-UNNAMED, --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED, -Djpackage.app-path=%UserProfile%\AppData\Local\JOSM\JOSM.exe]
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (35924)
+ SimplifyArea (35978)
+ imagery_offset_db (35978)
+ pbf (36034)
+ pt_assistant (2.1.15-19-g9aeec3c-SNAPSHOT)
+ reverter (36043)
+ tageditor (36011)
+ turnlanes-tagging (v0.0.5)
+ undelete (36011)
+ utilsplugin2 (36011)

Tagging presets:
+ http://mijndev.openstreetmap.nl/~allroads/JOSM/Presets/NL-Fiets.zip

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransport&zip=1
+ %UserProfile%\Documents\tijdelijke bestanden\josm-eigen.mappaint.mapcss
+ https://josm.openstreetmap.de/josmfile?page=Styles/Sidewalks&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/ParkingLanes&zip=1

Validator rules:
+ %UserProfile%\Documents\tijdelijke bestanden\josm-eigen.validator.mapcss
+ https://josm.openstreetmap.de/josmfile?page=Rules/SuspiciousSwimming_Pool&zip=1
+ https://raw.githubusercontent.com/Famlam/OsmMapcssValidationNL/main/netherlands.validator.mapcss
+ https://raw.githubusercontent.com/osm-fr/osmose-backend/master/plugins/TagFix_Destination.validator.mapcss
+ https://raw.githubusercontent.com/osm-fr/osmose-backend/master/plugins/Colour.validator.mapcss
+ https://raw.githubusercontent.com/osm-fr/osmose-backend/master/plugins/notprefix.validator.mapcss
+ https://raw.githubusercontent.com/osm-fr/osmose-backend/master/plugins/TagFix_MultipleTag2.validator.mapcss

Last errors/warnings:
- 00000.859 W: extended font config - overriding 'filename.Myanmar_Text=mmrtext.ttf' with 'MMRTEXT.TTF'
- 00000.862 W: extended font config - overriding 'filename.Mongolian_Baiti=monbaiti.ttf' with 'MONBAITI.TTF'
- 00001.931 E: java.security.KeyStoreException: Windows-ROOT not found. Oorzaak: java.security.NoSuchAlgorithmException: Windows-ROOT KeyStore not available
- 00013.305 W: Expecting test 'Area rule matches' (i.e., [area[building]]) to not match way building=yes area=no (i.e., TagMap[area=no,building=yes])