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Commit 9eef36ca authored by James Mattis's avatar James Mattis Committed by Automerger Merge Worker
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Merge "Unit test automation for Multilayer Evaluation" am: c1115803 am:... 

Merge "Unit test automation for Multilayer Evaluation" am: c1115803 am: 762fabc3 am: 5fdad411 am: f01c170c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1579206

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2e6f7e775226c7aaa28f04be05ddecef292e5834
parents 2393a45d f01c170c

tests/net/java/com/android/server/ConnectivityServiceTest.java

+314 −18
Original line number Diff line number Diff line
@@ -84,6 +84,11 @@ import static android.net.NetworkPolicyManager.RULE_ALLOW_METERED; 
import static android.net.NetworkPolicyManager.RULE_NONE;

import static android.net.NetworkPolicyManager.RULE_REJECT_ALL;

import static android.net.NetworkPolicyManager.RULE_REJECT_METERED;

import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID;

import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;

import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;

import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_UNINITIALIZED;

import static android.net.RouteInfo.RTN_UNREACHABLE;

import static android.os.Process.INVALID_UID;

import static android.system.OsConstants.IPPROTO_TCP;
@@ -355,6 +360,7 @@ public class ConnectivityServiceTest { 
    private static final long TIMESTAMP = 1234L;



    private static final int NET_ID = 110;

    private static final int OEM_PREF_ANY_NET_ID = -1;

    // Set a non-zero value to verify the flow to set tcp init rwnd value.

    private static final int TEST_TCP_INIT_RWND = 60;
@@ -9488,7 +9494,7 @@ public class ConnectivityServiceTest { 
    public void testOemNetworkRequestFactoryPreferenceUninitializedThrowsError()

            throws PackageManager.NameNotFoundException {

        @OemNetworkPreferences.OemNetworkPreference final int prefToTest =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_UNINITIALIZED;

                OEM_NETWORK_PREFERENCE_UNINITIALIZED;



        // Act on OemNetworkRequestFactory.createNrisFromOemNetworkPreferences()

        assertThrows(IllegalArgumentException.class,
@@ -9505,7 +9511,7 @@ public class ConnectivityServiceTest { 
        final int expectedNumOfRequests = 3;



        @OemNetworkPreferences.OemNetworkPreference final int prefToTest =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID;

                OEM_NETWORK_PREFERENCE_OEM_PAID;



        // Act on OemNetworkRequestFactory.createNrisFromOemNetworkPreferences()

        final ArraySet<ConnectivityService.NetworkRequestInfo> nris =
@@ -9534,7 +9540,7 @@ public class ConnectivityServiceTest { 
        final int expectedNumOfRequests = 2;



        @OemNetworkPreferences.OemNetworkPreference final int prefToTest =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;

                OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;



        // Act on OemNetworkRequestFactory.createNrisFromOemNetworkPreferences()

        final ArraySet<ConnectivityService.NetworkRequestInfo> nris =
@@ -9560,7 +9566,7 @@ public class ConnectivityServiceTest { 
        final int expectedNumOfRequests = 1;



        @OemNetworkPreferences.OemNetworkPreference final int prefToTest =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;



        // Act on OemNetworkRequestFactory.createNrisFromOemNetworkPreferences()

        final ArraySet<ConnectivityService.NetworkRequestInfo> nris =
@@ -9583,7 +9589,7 @@ public class ConnectivityServiceTest { 
        final int expectedNumOfRequests = 1;



        @OemNetworkPreferences.OemNetworkPreference final int prefToTest =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;



        // Act on OemNetworkRequestFactory.createNrisFromOemNetworkPreferences()

        final ArraySet<ConnectivityService.NetworkRequestInfo> nris =
@@ -9611,8 +9617,8 @@ public class ConnectivityServiceTest { 
        mockGetApplicationInfo(testPackageName2, TEST_PACKAGE_UID);



        // Build OemNetworkPreferences object

        final int testOemPref = OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID;

        final int testOemPref2 = OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;

        final int testOemPref = OEM_NETWORK_PREFERENCE_OEM_PAID;

        final int testOemPref2 = OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;

        final OemNetworkPreferences pref = new OemNetworkPreferences.Builder()

                .addNetworkPreference(TEST_PACKAGE_NAME, testOemPref)

                .addNetworkPreference(testPackageName2, testOemPref2)
@@ -9636,8 +9642,8 @@ public class ConnectivityServiceTest { 
        mockGetApplicationInfo(testPackageName2, testPackageNameUid2);



        // Build OemNetworkPreferences object

        final int testOemPref = OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID;

        final int testOemPref2 = OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;

        final int testOemPref = OEM_NETWORK_PREFERENCE_OEM_PAID;

        final int testOemPref2 = OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;

        final OemNetworkPreferences pref = new OemNetworkPreferences.Builder()

                .addNetworkPreference(TEST_PACKAGE_NAME, testOemPref)

                .addNetworkPreference(testPackageName2, testOemPref2)
@@ -9671,7 +9677,7 @@ public class ConnectivityServiceTest { 
        mockGetApplicationInfo(testPackageName2, testPackageNameUid2);



        // Build OemNetworkPreferences object

        final int testOemPref = OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID;

        final int testOemPref = OEM_NETWORK_PREFERENCE_OEM_PAID;

        final OemNetworkPreferences pref = new OemNetworkPreferences.Builder()

                .addNetworkPreference(TEST_PACKAGE_NAME, testOemPref)

                .addNetworkPreference(testPackageName2, testOemPref)
@@ -9689,8 +9695,6 @@ public class ConnectivityServiceTest { 
    @Test

    public void testSetOemNetworkPreferenceNullListenerAndPrefParamThrowsNpe() {

        mockHasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE, true);

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;



        // Act on ConnectivityService.setOemNetworkPreference()

        assertThrows(NullPointerException.class,
@@ -9704,7 +9708,7 @@ public class ConnectivityServiceTest { 
            throws Exception {

        mockHasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE, false);

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;



        // Act on ConnectivityService.setOemNetworkPreference()

        assertThrows(UnsupportedOperationException.class,
@@ -9870,7 +9874,7 @@ public class ConnectivityServiceTest { 
    @Test

    public void testMultiDefaultGetActiveNetworkIsCorrect() throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

        final int expectedOemPrefRequestSize = 1;



        // Setup the test process to use networkPref for their default network.
@@ -9891,7 +9895,7 @@ public class ConnectivityServiceTest { 
    @Test

    public void testMultiDefaultIsActiveNetworkMeteredIsCorrect() throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

        final int expectedOemPrefRequestSize = 1;



        // Setup the test process to use networkPref for their default network.
@@ -9918,7 +9922,7 @@ public class ConnectivityServiceTest { 
    @Test

    public void testPerAppDefaultRegisterDefaultNetworkCallback() throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

        final int expectedOemPrefRequestSize = 1;

        final TestNetworkCallback defaultNetworkCallback = new TestNetworkCallback();
@@ -9955,7 +9959,7 @@ public class ConnectivityServiceTest { 
    @Test

    public void testPerAppDefaultRegisterDefaultNetworkCallbackAfterPrefSet() throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

        final int expectedOemPrefRequestSize = 1;

        final TestNetworkCallback defaultNetworkCallback = new TestNetworkCallback();
@@ -9992,7 +9996,7 @@ public class ConnectivityServiceTest { 
    @Test

    public void testPerAppDefaultRegisterDefaultNetworkCallbackDoesNotFire() throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

                OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;

        final int expectedOemPrefRequestSize = 1;

        final TestNetworkCallback defaultNetworkCallback = new TestNetworkCallback();

        final int userId = UserHandle.getUserId(Process.myUid());
@@ -10042,4 +10046,296 @@ public class ConnectivityServiceTest { 
        // Confirm we can unregister without issues.

        mCm.unregisterNetworkCallback(defaultNetworkCallback);

    }



    private void verifySetOemNetworkPreferenceForPreference(

            @NonNull final UidRangeParcel[] uidRanges,

            final int addUidRangesNetId,

            final int addUidRangesTimes,

            final int removeUidRangesNetId,

            final int removeUidRangesTimes,

            final boolean shouldDestroyNetwork) throws RemoteException {

        final boolean useAnyIdForAdd = OEM_PREF_ANY_NET_ID == addUidRangesNetId;

        final boolean useAnyIdForRemove = OEM_PREF_ANY_NET_ID == removeUidRangesNetId;



        // Validate netd.

        verify(mMockNetd, times(addUidRangesTimes))

                .networkAddUidRanges(

                        (useAnyIdForAdd ? anyInt() : eq(addUidRangesNetId)), eq(uidRanges));

        verify(mMockNetd, times(removeUidRangesTimes))

                .networkRemoveUidRanges(

                        (useAnyIdForRemove ? anyInt() : eq(removeUidRangesNetId)), eq(uidRanges));

        if (shouldDestroyNetwork) {

            verify(mMockNetd, times(1))

                    .networkDestroy((useAnyIdForRemove ? anyInt() : eq(removeUidRangesNetId)));

        }

        reset(mMockNetd);

    }



    /**

     * Test the tracked default requests clear previous OEM requests on setOemNetworkPreference().

     * @throws Exception

     */

    @Test

    public void testSetOemNetworkPreferenceClearPreviousOemValues() throws Exception {

        @OemNetworkPreferences.OemNetworkPreference int networkPref =

                OEM_NETWORK_PREFERENCE_OEM_PAID;

        final int testPackageUid = 123;

        final String testPackageName = "com.google.apps.contacts";

        final UidRangeParcel[] uidRanges =

                toUidRangeStableParcels(uidRangesForUid(testPackageUid));



        // Validate the starting requests only includes the fallback request.

        assertEquals(1, mService.mDefaultNetworkRequests.size());



        // Add an OEM default network request to track.

        setupSetOemNetworkPreferenceForPreferenceTest(networkPref, uidRanges, testPackageName);



        // Two requests should exist, one for the fallback and one for the pref.

        assertEquals(2, mService.mDefaultNetworkRequests.size());



        networkPref = OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;

        setupSetOemNetworkPreferenceForPreferenceTest(networkPref, uidRanges, testPackageName);



        // Two requests should still exist validating the previous per-app request was replaced.

        assertEquals(2, mService.mDefaultNetworkRequests.size());

    }



    /**

     * Test network priority for preference OEM_NETWORK_PREFERENCE_OEM_PAID following in order:

     * NET_CAPABILITY_NOT_METERED -> NET_CAPABILITY_OEM_PAID -> fallback

     * @throws Exception

     */

    @Test

    public void testMultilayerForPreferenceOemPaidEvaluatesCorrectly()

            throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OEM_NETWORK_PREFERENCE_OEM_PAID;



        // Arrange PackageManager mocks

        final int testPackageNameUid = 123;

        final UidRangeParcel[] uidRanges =

                toUidRangeStableParcels(uidRangesForUid(testPackageNameUid));

        setupSetOemNetworkPreferenceForPreferenceTest(networkPref, uidRanges, TEST_PACKAGE_NAME);



        // Verify the starting state. No networks should be connected.

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Test lowest to highest priority requests.

        // Bring up metered cellular. This will satisfy the fallback network.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mCellNetworkAgent.getNetwork().netId, 1 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up ethernet with OEM_PAID. This will satisfy NET_CAPABILITY_OEM_PAID.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mEthernetNetworkAgent.getNetwork().netId, 1 /* times */,

                mCellNetworkAgent.getNetwork().netId, 1 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up unmetered Wi-Fi. This will satisfy NET_CAPABILITY_NOT_METERED.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_WIFI, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mWiFiNetworkAgent.getNetwork().netId, 1 /* times */,

                mEthernetNetworkAgent.getNetwork().netId, 1 /* times */,

                false /* shouldDestroyNetwork */);



        // Disconnecting OEM_PAID should have no effect as it is lower in priority then unmetered.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, false);

        // netd should not be called as default networks haven't changed.

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Disconnecting unmetered should put PANS on lowest priority fallback request.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_WIFI, false);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mCellNetworkAgent.getNetwork().netId, 1 /* times */,

                mWiFiNetworkAgent.getNetwork().netId, 0 /* times */,

                true /* shouldDestroyNetwork */);



        // Disconnecting the fallback network should result in no connectivity.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, false);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                mCellNetworkAgent.getNetwork().netId, 0 /* times */,

                true /* shouldDestroyNetwork */);

    }



    /**

     * Test network priority for OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK following in order:

     * NET_CAPABILITY_NOT_METERED -> NET_CAPABILITY_OEM_PAID

     * @throws Exception

     */

    @Test

    public void testMultilayerForPreferenceOemPaidNoFallbackEvaluatesCorrectly()

            throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;



        // Arrange PackageManager mocks

        final int testPackageNameUid = 123;

        final UidRangeParcel[] uidRanges =

                toUidRangeStableParcels(uidRangesForUid(testPackageNameUid));

        setupSetOemNetworkPreferenceForPreferenceTest(networkPref, uidRanges, TEST_PACKAGE_NAME);



        // Verify the starting state. This preference doesn't support using the fallback network

        // therefore should be on the disconnected network as it has no networks to connect to.

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Test lowest to highest priority requests.

        // Bring up metered cellular. This will satisfy the fallback network.

        // This preference should not use this network as it doesn't support fallback usage.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up ethernet with OEM_PAID. This will satisfy NET_CAPABILITY_OEM_PAID.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mEthernetNetworkAgent.getNetwork().netId, 1 /* times */,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up unmetered Wi-Fi. This will satisfy NET_CAPABILITY_NOT_METERED.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_WIFI, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mWiFiNetworkAgent.getNetwork().netId, 1 /* times */,

                mEthernetNetworkAgent.getNetwork().netId, 1 /* times */,

                false /* shouldDestroyNetwork */);



        // Disconnecting unmetered should put PANS on OEM_PAID.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_WIFI, false);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mEthernetNetworkAgent.getNetwork().netId, 1 /* times */,

                mWiFiNetworkAgent.getNetwork().netId, 0 /* times */,

                true /* shouldDestroyNetwork */);



        // Disconnecting OEM_PAID should result in no connectivity.

        // OEM_PAID_NO_FALLBACK not supporting a fallback now uses the disconnected network.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, false);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                mEthernetNetworkAgent.getNetwork().netId, 0 /* times */,

                true /* shouldDestroyNetwork */);

    }



    /**

     * Test network priority for OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY following in order:

     * NET_CAPABILITY_OEM_PAID

     * This preference should only apply to OEM_PAID networks.

     * @throws Exception

     */

    @Test

    public void testMultilayerForPreferenceOemPaidOnlyEvaluatesCorrectly()

            throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;



        // Arrange PackageManager mocks

        final int testPackageNameUid = 123;

        final UidRangeParcel[] uidRanges =

                toUidRangeStableParcels(uidRangesForUid(testPackageNameUid));

        setupSetOemNetworkPreferenceForPreferenceTest(networkPref, uidRanges, TEST_PACKAGE_NAME);



        // Verify the starting state. This preference doesn't support using the fallback network

        // therefore should be on the disconnected network as it has no networks to connect to.

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up metered cellular. This should not apply to this preference.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up unmetered Wi-Fi. This should not apply to this preference.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_WIFI, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up ethernet with OEM_PAID. This will satisfy NET_CAPABILITY_OEM_PAID.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mEthernetNetworkAgent.getNetwork().netId, 1 /* times */,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                false /* shouldDestroyNetwork */);



        // Disconnecting OEM_PAID should result in no connectivity.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, false);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                mEthernetNetworkAgent.getNetwork().netId, 0 /* times */,

                true /* shouldDestroyNetwork */);

    }



    /**

     * Test network priority for OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY following in order:

     * NET_CAPABILITY_OEM_PRIVATE

     * This preference should only apply to OEM_PRIVATE networks.

     * @throws Exception

     */

    @Test

    public void testMultilayerForPreferenceOemPrivateOnlyEvaluatesCorrectly()

            throws Exception {

        @OemNetworkPreferences.OemNetworkPreference final int networkPref =

                OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;



        // Arrange PackageManager mocks

        final int testPackageNameUid = 123;

        final UidRangeParcel[] uidRanges =

                toUidRangeStableParcels(uidRangesForUid(testPackageNameUid));

        setupSetOemNetworkPreferenceForPreferenceTest(networkPref, uidRanges, TEST_PACKAGE_NAME);



        // Verify the starting state. This preference doesn't support using the fallback network

        // therefore should be on the disconnected network as it has no networks to connect to.

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up metered cellular. This should not apply to this preference.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up unmetered Wi-Fi. This should not apply to this preference.

        setOemNetworkPreferenceAgentConnected(TRANSPORT_WIFI, true);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                OEM_PREF_ANY_NET_ID, 0 /* times */,

                false /* shouldDestroyNetwork */);



        // Bring up ethernet with OEM_PRIVATE. This will satisfy NET_CAPABILITY_OEM_PRIVATE.

        startOemManagedNetwork(false);

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mEthernetNetworkAgent.getNetwork().netId, 1 /* times */,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                false /* shouldDestroyNetwork */);



        // Disconnecting OEM_PRIVATE should result in no connectivity.

        stopOemManagedNetwork();

        verifySetOemNetworkPreferenceForPreference(uidRanges,

                mService.mNoServiceNetwork.network.getNetId(), 1 /* times */,

                mEthernetNetworkAgent.getNetwork().netId, 0 /* times */,

                true /* shouldDestroyNetwork */);

    }

}