Merge "Fix NetworkPolicyManager unit tests."
am: da3518bc6b

Change-Id: I4caf3995143b5dc63925e64a05dd9dd94deec636
diff --git a/core/java/android/util/DebugUtils.java b/core/java/android/util/DebugUtils.java
index 265b0d3..55d114b 100644
--- a/core/java/android/util/DebugUtils.java
+++ b/core/java/android/util/DebugUtils.java
@@ -251,7 +251,7 @@
                     if (value == 0 && flagsWasZero) {
                         return constNameWithoutPrefix(prefix, field);
                     }
-                    if ((flags & value) == value) {
+                    if (value != 0 && (flags & value) == value) {
                         flags &= ~value;
                         res.append(constNameWithoutPrefix(prefix, field)).append('|');
                     }
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index d3346cd..d610561 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -1509,6 +1509,11 @@
         latch.await(5, TimeUnit.SECONDS);
     }
 
+    @VisibleForTesting
+    Handler getHandlerForTesting() {
+        return mHandler;
+    }
+
     /**
      * Update mobile policies with data cycle information from {@link CarrierConfigManager}
      * if necessary.
diff --git a/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
index ce1edcd..49c22a3 100644
--- a/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
@@ -113,6 +113,7 @@
 import android.net.NetworkTemplate;
 import android.net.StringNetworkSpecifier;
 import android.os.Binder;
+import android.os.Handler;
 import android.os.INetworkManagementService;
 import android.os.PersistableBundle;
 import android.os.PowerManagerInternal;
@@ -1047,7 +1048,7 @@
         // Define simple data plan
         final SubscriptionPlan plan = buildMonthlyDataPlan(
                 ZonedDateTime.parse("2015-11-01T00:00:00.00Z"), DataUnit.MEGABYTES.toBytes(1800));
-        mService.setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[] { plan },
+        setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[] { plan },
                 mServiceContext.getOpPackageName());
 
         // We're 20% through the month (6 days)
@@ -1171,7 +1172,7 @@
         // Define simple data plan which gives us effectively 60MB/day
         final SubscriptionPlan plan = buildMonthlyDataPlan(
                 ZonedDateTime.parse("2015-11-01T00:00:00.00Z"), DataUnit.MEGABYTES.toBytes(1800));
-        mService.setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[] { plan },
+        setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[] { plan },
                 mServiceContext.getOpPackageName());
 
         // We're 20% through the month (6 days)
@@ -1387,6 +1388,8 @@
         when(mConnManager.getAllNetworkState()).thenReturn(new NetworkState[0]);
         when(mSubscriptionManager.getActiveSubscriptionIdList()).thenReturn(new int[]{FAKE_SUB_ID});
         when(mTelephonyManager.getSubscriberId(FAKE_SUB_ID)).thenReturn(FAKE_SUBSCRIBER_ID);
+        when(mTelephonyManager.createForSubscriptionId(FAKE_SUB_ID))
+                .thenReturn(mock(TelephonyManager.class));
         PersistableBundle bundle = CarrierConfigManager.getDefaultConfig();
         when(mCarrierConfigManager.getConfigForSubId(FAKE_SUB_ID)).thenReturn(bundle);
         setNetworkPolicies(buildDefaultFakeMobilePolicy());
@@ -1398,6 +1401,8 @@
         when(mConnManager.getAllNetworkState()).thenReturn(new NetworkState[0]);
         when(mSubscriptionManager.getActiveSubscriptionIdList()).thenReturn(new int[]{FAKE_SUB_ID});
         when(mTelephonyManager.getSubscriberId(FAKE_SUB_ID)).thenReturn(FAKE_SUBSCRIBER_ID);
+        when(mTelephonyManager.createForSubscriptionId(FAKE_SUB_ID))
+                .thenReturn(mock(TelephonyManager.class));
         when(mCarrierConfigManager.getConfigForSubId(FAKE_SUB_ID)).thenReturn(null);
         setNetworkPolicies(buildDefaultFakeMobilePolicy());
         // smoke test to make sure no errors are raised
@@ -1583,7 +1588,7 @@
             final SubscriptionPlan plan = buildMonthlyDataPlan(
                     ZonedDateTime.parse("2015-11-01T00:00:00.00Z"),
                     DataUnit.MEGABYTES.toBytes(1800));
-            mService.setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
+            setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
                     mServiceContext.getOpPackageName());
 
             reset(mTelephonyManager, mNetworkManager, mNotifManager);
@@ -1604,7 +1609,7 @@
             final SubscriptionPlan plan = buildMonthlyDataPlan(
                     ZonedDateTime.parse("2015-11-01T00:00:00.00Z"),
                     DataUnit.MEGABYTES.toBytes(100));
-            mService.setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
+            setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
                     mServiceContext.getOpPackageName());
 
             reset(mTelephonyManager, mNetworkManager, mNotifManager);
@@ -1620,7 +1625,7 @@
         {
             final SubscriptionPlan plan = buildMonthlyDataPlan(
                     ZonedDateTime.parse("2015-11-01T00:00:00.00Z"), BYTES_UNLIMITED);
-            mService.setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
+            setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
                     mServiceContext.getOpPackageName());
 
             reset(mTelephonyManager, mNetworkManager, mNotifManager);
@@ -1637,7 +1642,7 @@
         {
             final SubscriptionPlan plan = buildMonthlyDataPlan(
                     ZonedDateTime.parse("2015-11-01T00:00:00.00Z"), BYTES_UNLIMITED);
-            mService.setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
+            setSubscriptionPlans(TEST_SUB_ID, new SubscriptionPlan[]{plan},
                     mServiceContext.getOpPackageName());
 
             reset(mTelephonyManager, mNetworkManager, mNotifManager);
@@ -1853,6 +1858,8 @@
         when(mSubscriptionManager.getActiveSubscriptionIdList()).thenReturn(
                 new int[] { TEST_SUB_ID });
         when(mTelephonyManager.getSubscriberId(TEST_SUB_ID)).thenReturn(TEST_IMSI);
+        when(mTelephonyManager.createForSubscriptionId(TEST_SUB_ID))
+                .thenReturn(mock(TelephonyManager.class));
         doNothing().when(mTelephonyManager).setPolicyDataEnabled(anyBoolean(), anyInt());
         expectNetworkState(false /* roaming */);
     }
@@ -1979,6 +1986,23 @@
 
     private FutureIntent mRestrictBackgroundChanged;
 
+    private void postMsgAndWaitForCompletion() throws InterruptedException {
+        final Handler handler = mService.getHandlerForTesting();
+        final CountDownLatch latch = new CountDownLatch(1);
+        mService.getHandlerForTesting().post(latch::countDown);
+        if (!latch.await(5, TimeUnit.SECONDS)) {
+            fail("Timed out waiting for the test msg to be handled");
+        }
+    }
+
+    private void setSubscriptionPlans(int subId, SubscriptionPlan[] plans, String callingPackage)
+            throws InterruptedException {
+        mService.setSubscriptionPlans(subId, plans, callingPackage);
+        // setSubscriptionPlans() triggers async events, wait for those to be completed before
+        // moving forward as they could interfere with the tests later.
+        postMsgAndWaitForCompletion();
+    }
+
     private void setRestrictBackground(boolean flag) throws Exception {
         mService.setRestrictBackground(flag);
         // Sanity check.