Index: trunk/test/unit/org/openstreetmap/josm/actions/DeleteLayerActionTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/actions/DeleteLayerActionTest.java	(revision 11101)
+++ trunk/test/unit/org/openstreetmap/josm/actions/DeleteLayerActionTest.java	(revision 11101)
@@ -0,0 +1,43 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.actions;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+/**
+ * Unit tests for class {@link DeleteLayerAction}.
+ */
+public final class DeleteLayerActionTest {
+
+    /**
+     * Setup test.
+     */
+    @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
+    public JOSMTestRules test = new JOSMTestRules().platform();
+
+    /**
+     * Unit test of {@link DeleteLayerAction#actionPerformed}
+     */
+    @Test
+    public void testActionPerformed() {
+        DeleteLayerAction action = new DeleteLayerAction();
+        // No layer
+        action.actionPerformed(null);
+        // OsmDataLayer
+        OsmDataLayer layer = new OsmDataLayer(new DataSet(), "", null);
+        Main.getLayerManager().addLayer(layer);
+        assertNotNull(Main.getLayerManager().getActiveLayer());
+        action.actionPerformed(null);
+        assertNull(Main.getLayerManager().getActiveLayer());
+    }
+}
Index: trunk/test/unit/org/openstreetmap/josm/actions/ExitActionTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/actions/ExitActionTest.java	(revision 11101)
+++ trunk/test/unit/org/openstreetmap/josm/actions/ExitActionTest.java	(revision 11101)
@@ -0,0 +1,38 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.actions;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.contrib.java.lang.system.ExpectedSystemExit;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+/**
+ * Unit tests for class {@link ExitAction}.
+ */
+public final class ExitActionTest {
+
+    /**
+     * Setup test.
+     */
+    @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
+    public JOSMTestRules test = new JOSMTestRules().platform();
+
+    /**
+     * System.exit rule
+     */
+    @Rule
+    public final ExpectedSystemExit exit = ExpectedSystemExit.none();
+
+    /**
+     * Unit test of {@link ExitAction#actionPerformed}
+     */
+    @Test
+    public void testActionPerformed() {
+        exit.expectSystemExitWithStatus(0);
+        // No layer
+        new ExitAction().actionPerformed(null);
+    }
+}