Index: trunk/test/unit/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialogTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialogTest.java	(revision 10198)
+++ trunk/test/unit/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialogTest.java	(revision 10198)
@@ -0,0 +1,131 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.gui.dialogs;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.ArrayList;
+
+import javax.swing.JPanel;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.openstreetmap.josm.JOSMFixture;
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.data.coor.LatLon;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.User;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
+
+/**
+ * Unit tests of {@link InspectPrimitiveDialog} class.
+ */
+public class InspectPrimitiveDialogTest {
+
+    /**
+     * Setup tests
+     */
+    @BeforeClass
+    public static void setUpBeforeClass() {
+        JOSMFixture.createUnitTestFixture().init(true);
+    }
+
+    /**
+     * Unit test of {@link InspectPrimitiveDialog#genericMonospacePanel}.
+     */
+    @Test
+    public void testGenericMonospacePanel() {
+        assertNotNull(InspectPrimitiveDialog.genericMonospacePanel(new JPanel(), ""));
+    }
+
+    /**
+     * Unit test of {@link InspectPrimitiveDialog#buildDataText}.
+     */
+    @Test
+    public void testBuildDataText() {
+        DataSet ds = new DataSet();
+        OsmDataLayer layer = new OsmDataLayer(ds, "", null);
+        assertEquals("", InspectPrimitiveDialog.buildDataText(layer, new ArrayList<>(ds.allPrimitives())));
+        Node n = new Node(LatLon.ZERO);
+        n.setOsmId(1, 1);
+        ds.addPrimitive(n);
+        assertEquals(
+                "Node: 1\n" +
+                "  Data Set: "+Integer.toHexString(ds.hashCode())+"\n" +
+                "  Edited at: <new object>\n" +
+                "  Edited by: <new object>\n" +
+                "  Version: 1\n" +
+                "  In changeset: 0\n" +
+                "  Coordinates: 0.0, 0.0\n" +
+                "  Coordinates (projected): 0.0, -7.081154551613622E-10\n" +
+                "\n", InspectPrimitiveDialog.buildDataText(layer, new ArrayList<>(ds.allPrimitives())));
+    }
+
+    /**
+     * Unit test of {@link InspectPrimitiveDialog#buildListOfEditorsText}.
+     */
+    @Test
+    public void testBuildListOfEditorsText() {
+        DataSet ds = new DataSet();
+        assertEquals("0 users last edited the selection:\n\n", InspectPrimitiveDialog.buildListOfEditorsText(ds.allPrimitives()));
+        ds.addPrimitive(new Node(LatLon.ZERO));
+        assertEquals("0 users last edited the selection:\n\n", InspectPrimitiveDialog.buildListOfEditorsText(ds.allPrimitives()));
+        Node n = new Node(LatLon.ZERO);
+        n.setUser(User.getAnonymous());
+        ds.addPrimitive(n);
+        n = new Node(LatLon.ZERO);
+        n.setUser(User.getAnonymous());
+        ds.addPrimitive(n);
+        assertEquals(
+                "1 user last edited the selection:\n" +
+                "\n" +
+                "     2  <anonymous>\n",
+                InspectPrimitiveDialog.buildListOfEditorsText(ds.allPrimitives()));
+    }
+
+    /**
+     * Unit test of {@link InspectPrimitiveDialog#buildMapPaintText}.
+     */
+    @Test
+    public void testBuildMapPaintText() {
+        DataSet ds = new DataSet();
+        OsmDataLayer layer = new OsmDataLayer(ds, "", null);
+
+        // CHECKSTYLE.OFF: LineLength
+        String baseText =
+                "Styles Cache for \"node ‎(0.0, 0.0)\":\n" +
+                "\n" +
+                "> applying mapcss style \"JOSM default (MapCSS)\"\n" +
+                "\n" +
+                "Range:|s119.4328566955879-Infinity\n" +
+                " default: \n" +
+                "Cascade{ symbol-fill-color:#ff0000; symbol-stroke-color:#ff0000; major-z-index:4.95; font-size:8.0; symbol-shape:Keyword{square}; symbol-size:6.0; }\n" +
+                "\n" +
+                "> skipping \"Potlatch 2\" (not active)\n" +
+                "\n" +
+                "List of generated Styles:\n" +
+                " * NodeElemStyle{z_idx=[4.95/0.0/0.0]  symbol=[symbol=SQUARE size=6 stroke=java.awt.BasicStroke strokeColor=java.awt.Color[r=255,g=0,b=0] fillColor=java.awt.Color[r=255,g=0,b=0]]}\n" +
+                "\n" +
+                "\n";
+        // CHECKSTYLE.ON: LineLength
+
+        try {
+            Main.main.addLayer(layer);
+            assertEquals("", InspectPrimitiveDialog.buildMapPaintText());
+            Node n = new Node(LatLon.ZERO);
+            n.setUser(User.getAnonymous());
+            ds.addPrimitive(n);
+            ds.addSelected(n);
+            assertEquals(baseText, InspectPrimitiveDialog.buildMapPaintText().replaceAll("@(\\p{XDigit})+", ""));
+            n = new Node(LatLon.ZERO);
+            n.setUser(User.getAnonymous());
+            ds.addPrimitive(n);
+            ds.addSelected(n);
+            assertEquals(baseText + baseText + "Warning: The 2 selected objects have equal, but not identical style caches.",
+                    InspectPrimitiveDialog.buildMapPaintText().replaceAll("@(\\p{XDigit})+", ""));
+        } finally {
+            Main.main.removeLayer(layer);
+        }
+    }
+}