Merge "Refactor to IpNeighborMonitor and single-threaded semantics"
diff --git a/services/net/java/android/net/ip/IpClient.java b/services/net/java/android/net/ip/IpClient.java
index fdb366c..b305b33 100644
--- a/services/net/java/android/net/ip/IpClient.java
+++ b/services/net/java/android/net/ip/IpClient.java
@@ -163,10 +163,10 @@
     // TODO: Find an lighter weight approach.
     private class LoggingCallbackWrapper extends Callback {
         private static final String PREFIX = "INVOKE ";
-        private Callback mCallback;
+        private final Callback mCallback;
 
         public LoggingCallbackWrapper(Callback callback) {
-            mCallback = callback;
+            mCallback = (callback != null) ? callback : new Callback();
         }
 
         private void log(String msg) {
@@ -1283,6 +1283,7 @@
             stopAllIP();
 
             resetLinkProperties();
+            mCallback.onLinkPropertiesChange(new LinkProperties(mLinkProperties));
             if (mStartTimeMillis > 0) {
                 recordMetric(IpManagerEvent.COMPLETE_LIFECYCLE);
                 mStartTimeMillis = 0;
diff --git a/tests/net/java/android/net/ip/IpManagerTest.java b/tests/net/java/android/net/ip/IpManagerTest.java
index 22d88fb..ebf121a 100644
--- a/tests/net/java/android/net/ip/IpManagerTest.java
+++ b/tests/net/java/android/net/ip/IpManagerTest.java
@@ -69,6 +69,8 @@
 
 /**
  * Tests for IpManager.
+ *
+ * TODO: Rename to IpClientTest.
  */
 @RunWith(AndroidJUnit4.class)
 @SmallTest
@@ -111,6 +113,10 @@
         verify(mNMService, times(1)).registerObserver(arg.capture());
         mObserver = arg.getValue();
         reset(mNMService);
+        final LinkProperties emptyLp = new LinkProperties();
+        emptyLp.setInterfaceName(ifname);
+        verify(mCb, timeout(100)).onLinkPropertiesChange(eq(emptyLp));
+        reset(mCb);
         return ipm;
     }