am b8ad8a1a: am 17607b8a: am 4106602e: am 7e84d75c: Merge "resolve merge conflicts of a97c792 to kitkat-cts-dev" into kitkat-cts-dev

* commit 'b8ad8a1a990597951faaf9e82722e628ff74c0e3':
  Fix CTS android.net package testTrafficStatsForLocalhost seldom fail issue
diff --git a/tests/cts/net/src/android/net/cts/TrafficStatsTest.java b/tests/cts/net/src/android/net/cts/TrafficStatsTest.java
index 5b93bee..74cd771 100755
--- a/tests/cts/net/src/android/net/cts/TrafficStatsTest.java
+++ b/tests/cts/net/src/android/net/cts/TrafficStatsTest.java
@@ -34,7 +34,6 @@
 
 public class TrafficStatsTest extends AndroidTestCase {
     private static final String LOG_TAG = "TrafficStatsTest";
-
     public void testValidMobileStats() {
         // We can't assume a mobile network is even present in this test, so
         // we simply assert that a valid value is returned.
@@ -218,6 +217,17 @@
             assertTrue("too many non-localhost packets on the sam UID", deltaTxOtherPackets + deltaTxOtherPackets < 20);
         }
 
+        // Some other tests don't cleanup connections correctly.
+        // They have the same UID, so we discount their lingering traffic
+        // which happens only on non-localhost, such as TCP FIN retranmission packets
+        long deltaTxOtherPackets = (totalTxPacketsAfter - totalTxPacketsBefore) - uidTxDeltaPackets;
+        long deltaRxOtherPackets = (totalRxPacketsAfter - totalRxPacketsBefore) - uidRxDeltaPackets;
+        if (deltaTxOtherPackets > 0 || deltaRxOtherPackets > 0) {
+            Log.i(LOG_TAG, "lingering traffic data: " + deltaTxOtherPackets + "/" + deltaRxOtherPackets);
+            // Make sure that not too many non-localhost packets are accounted for
+            assertTrue("too many non-localhost packets on the sam UID", deltaTxOtherPackets + deltaTxOtherPackets < 20);
+        }
+
         assertTrue("uidtxp: " + uidTxPacketsBefore + " -> " + uidTxPacketsAfter + " delta=" + uidTxDeltaPackets +
             " Wanted: " + uidTxDeltaPackets + ">=" + packetCount + "+" + minExpectedExtraPackets + " && " +
             uidTxDeltaPackets + "<=" + packetCount + "+" + packetCount + "+" + maxExpectedExtraPackets + "+" + deltaTxOtherPackets,