Merge "Test for the current behaviour of updating a network's owner UID."

        doNetworkCallbacksSanitizationTest(false /* sanitized */);

    }

    @Test

    public void testOwnerUidChangeBug() throws Exception {

        // Owner UIDs are not visible without location permission.

        setupLocationPermissions(Build.VERSION_CODES.Q, true, AppOpsManager.OPSTR_FINE_LOCATION,

                Manifest.permission.ACCESS_FINE_LOCATION);

        final NetworkCapabilities ncTemplate = new NetworkCapabilities();

        final int originalOwnerUid = Process.myUid();

        ncTemplate.setOwnerUid(originalOwnerUid);

        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, new LinkProperties(),

                ncTemplate);

        mWiFiNetworkAgent.connect(false);

        waitForIdle();

        // Send ConnectivityService an update to the mWiFiNetworkAgent's capabilities that changes

        // its owner UID.

        NetworkCapabilities agentCapabilities = mWiFiNetworkAgent.getNetworkCapabilities();

        assertEquals(originalOwnerUid, agentCapabilities.getOwnerUid());

        agentCapabilities.setOwnerUid(42);

        mWiFiNetworkAgent.setNetworkCapabilities(agentCapabilities, true);

        waitForIdle();

        // Check that the owner UID is not updated.

        NetworkCapabilities nc = mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork());

        assertEquals(originalOwnerUid, nc.getOwnerUid());

        // Make an unrelated change to the capabilities.

        assertFalse(agentCapabilities.hasCapability(NET_CAPABILITY_NOT_CONGESTED));

        agentCapabilities.addCapability(NET_CAPABILITY_NOT_CONGESTED);

        mWiFiNetworkAgent.setNetworkCapabilities(agentCapabilities, true);

        waitForIdle();

        // Check that both the capability change and the owner UID have been modified.

        // The owner UID is -1 because it is visible only to the UID that owns the network.

        nc = mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork());

        assertEquals(-1, nc.getOwnerUid());

        assertTrue(nc.hasCapability(NET_CAPABILITY_NOT_CONGESTED));

        // Set the owner back to originalOwnerUid, update the capabilities, and check that it is

        // visible again.

        // TODO: should this even be possible?

        agentCapabilities.setOwnerUid(originalOwnerUid);

        agentCapabilities.removeCapability(NET_CAPABILITY_NOT_CONGESTED);

        mWiFiNetworkAgent.setNetworkCapabilities(agentCapabilities, true);

        waitForIdle();

        nc = mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork());

        assertEquals(originalOwnerUid, nc.getOwnerUid());

    }

    @Test

    public void testMultipleLingering() throws Exception {

        // This test would be flaky with the default 120ms timer: that is short enough that