Changeset 7079 in josm for trunk/src/org

Timestamp:

2014-05-08T15:15:11+02:00 (11 years ago)

Author:

Don-vip

Message:

fix some unit tests

File:

• trunk/src/org/openstreetmap/josm/data/osm/ChangesetCache.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/data/osm/ChangesetCache.java

@@ -46 +46 @@
 
     /** the cached changesets */
-    private final Map<Integer, Changeset> cache  = new HashMap<>();
+    private final Map<Integer, Changeset> cache = new HashMap<>();
 
     private final CopyOnWriteArrayList<ChangesetCacheListener> listeners =
@@ -56 +56 @@
 
     public void addChangesetCacheListener(ChangesetCacheListener listener) {
-        listeners.addIfAbsent(listener);
+        if (listener != null) {
+            listeners.addIfAbsent(listener);
+        }
     }
 
     public void removeChangesetCacheListener(ChangesetCacheListener listener) {
-        listeners.remove(listener);
+        if (listener != null) {
+            listeners.remove(listener);
+        }
     }