Index: trunk/test/performance/org/openstreetmap/josm/data/validation/tests/MapCSSTagCheckerPerformanceTest.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/data/validation/tests/MapCSSTagCheckerPerformanceTest.java	(revision 17588)
+++ trunk/test/performance/org/openstreetmap/josm/data/validation/tests/MapCSSTagCheckerPerformanceTest.java	(revision 17588)
@@ -0,0 +1,50 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.data.validation.tests;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
+import org.openstreetmap.josm.io.Compression;
+import org.openstreetmap.josm.io.OsmReader;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+
+import java.io.File;
+import java.io.InputStream;
+
+/**
+ * Performance test of {@code MapCSSTagChecker}.
+ */
+class MapCSSTagCheckerPerformanceTest {
+
+    private MapCSSTagChecker tagChecker;
+    private DataSet dsCity;
+
+    /**
+     * Setup test.
+     */
+    @RegisterExtension
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
+    public JOSMTestRules test = new JOSMTestRules().projection().territories().preferences();
+
+    /**
+     * Setup test.
+     *
+     * @throws Exception if any error occurs
+     */
+    @BeforeEach
+    void setUp() throws Exception {
+        tagChecker = new MapCSSTagChecker();
+        tagChecker.initialize();
+        try (InputStream in = Compression.getUncompressedFileInputStream(new File("nodist/data/neubrandenburg.osm.bz2"))) {
+            dsCity = OsmReader.parseDataSet(in, NullProgressMonitor.INSTANCE);
+        }
+    }
+
+    @Test
+    void testCity() {
+        tagChecker.visit(dsCity.allPrimitives());
+    }
+}