Merge "Merge "Ensure CONFIGURED_NETWORKS_CHANGED not received without permissions" into oreo-cts-dev am: f23d174804" into oreo-mr1-cts-dev am: 09eb86e9af am: e59a75a8db

Original change: https://android-review.googlesource.com/c/platform/cts/+/1452057

Change-Id: I44f41a40d8ff5fa15e0bb0c14a3e9b9b463828aa

tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java

@@ -456,12 +456,33 @@ public class WifiManagerTest extends AndroidTestCase {
             assertFalse(existSSID(SSID1));
             assertTrue(existSSID(SSID2));
 
+            // Need an effectively-final holder because we need to modify inner Intent in callback.
+            class IntentHolder {
+                Intent intent;
+            }
+            IntentHolder intentHolder = new IntentHolder();
+            mContext.registerReceiver(new BroadcastReceiver() {
+                @Override
+                public void onReceive(Context context, Intent intent) {
+                    Log.i(TAG, "Received CONFIGURED_NETWORKS_CHANGED_ACTION broadcast: " + intent);
+                    intentHolder.intent = intent;
+                }
+            }, new IntentFilter(WifiManager.CONFIGURED_NETWORKS_CHANGED_ACTION));
+
             // Remove a WifiConfig
             assertTrue(mWifiManager.removeNetwork(netId));
             assertFalse(mWifiManager.removeNetwork(notExist));
             assertFalse(existSSID(SSID1));
             assertFalse(existSSID(SSID2));
 
+            // wait 10 seconds to ensure that broadcast wasn't received
+            Thread.sleep(DURATION);
+            Intent intent = intentHolder.intent;
+            // Broadcast shouldn't be received because although CtsNetTestCases has
+            // ACCESS_WIFI_STATE permission, it doesn't have ACCESS_FINE_LOCATION permission.
+            // Receivers need both permissions to get the broadcast.
+            assertNull("Unexpected received CONFIGURED_NETWORKS_CHANGED_ACTION broadcast!", intent);
+
             assertTrue(mWifiManager.saveConfiguration());
         } finally {
             reEnableNetworks(enabledSsids, mWifiManager.getConfiguredNetworks());