Index: trunk/test/unit/org/openstreetmap/josm/data/osm/OsmUtilsTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/osm/OsmUtilsTest.java	(revision 15950)
+++ trunk/test/unit/org/openstreetmap/josm/data/osm/OsmUtilsTest.java	(revision 15951)
@@ -75,4 +75,7 @@
     @Test
     public void testTrueFalse() {
+        assertFalse(OsmUtils.isTrue(null));
+        assertFalse(OsmUtils.isFalse(null));
+        assertNull(OsmUtils.getOsmBoolean(null));
         assertTrue(OsmUtils.isTrue("yes"));
         assertFalse(OsmUtils.isFalse("yes"));