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Commit f76b06a6 authored by Makoto Onuki's avatar Makoto Onuki
Browse files

Test more DPM APIs. 

Bug 24061108

Change-Id: Ia9da19f62c0f4edf53ca1f4c213f0368ec1983ba
parent a4490622

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

+67 −40
Original line number Diff line number Diff line
@@ -271,7 +271,6 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
    final Context mContext;

    final PackageManager mPackageManager;

    final UserManager mUserManager;

    final PowerManager.WakeLock mWakeLock;



    final LocalService mLocalService;
@@ -995,7 +994,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        boolean removed = false;

        if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle);

        DevicePolicyData policy = getUserData(userHandle);

        IPackageManager pm = AppGlobals.getPackageManager();

        IPackageManager pm = getIPackageManager();

        synchronized (this) {

            for (int i = policy.mAdminList.size() - 1; i >= 0; i--) {

                ActiveAdmin aa = policy.mAdminList.get(i);
@@ -1071,7 +1070,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 


    /** Unit test will override it to inject a mock. */

    @VisibleForTesting

    IWindowManager newIWindowManager() {

    IWindowManager getIWindowManager() {

        return IWindowManager.Stub.asInterface(ServiceManager.getService(Context.WINDOW_SERVICE));

    }
@@ -1081,6 +1080,12 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        return ActivityManagerNative.getDefault();

    }



    /** Unit test will override it to inject a mock. */

    @VisibleForTesting

    IPackageManager getIPackageManager() {

        return AppGlobals.getPackageManager();

    }



    /** Unit test will override it to inject a mock. */

    @VisibleForTesting

    LockPatternUtils newLockPatternUtils(Context context) {
@@ -1129,13 +1134,33 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
    }



    @VisibleForTesting

    WakeLock powerManagerNewWakeLock(int levelAndFlags, String tag) {

        return mContext.getSystemService(PowerManager.class).newWakeLock(levelAndFlags, tag);

    void powerManagerGoToSleep(long time, int reason, int flags) {

        mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags);

    }



    @VisibleForTesting

    void powerManagerGoToSleep(long time, int reason, int flags) {

        mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags);

    boolean systemPropertiesGetBoolean(String key, boolean def) {

        return SystemProperties.getBoolean(key, def);

    }



    @VisibleForTesting

    long systemPropertiesGetLong(String key, long def) {

        return SystemProperties.getLong(key, def);

    }



    @VisibleForTesting

    String systemPropertiesGet(String key, String def) {

        return SystemProperties.get(key, def);

    }



    @VisibleForTesting

    String systemPropertiesGet(String key) {

        return SystemProperties.get(key);

    }



    @VisibleForTesting

    void systemPropertiesSet(String key, String value) {

        SystemProperties.set(key, value);

    }



    /**
@@ -1145,14 +1170,16 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        mContext = context;

        mHandler = new Handler(getMyLooper());

        mOwners = newOwners();

        mUserManager = getUserManager();

        mPackageManager = getPackageManager();

        mHasFeature = mPackageManager.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN);

        mPowerManagerInternal = getPowerManagerInternal();

        mWakeLock = powerManagerNewWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM");

        mIWindowManager = newIWindowManager();

        mNotificationManager = getNotificationManager();



        mUserManager = Preconditions.checkNotNull(getUserManager());

        mPackageManager = Preconditions.checkNotNull(getPackageManager());

        mPowerManagerInternal = Preconditions.checkNotNull(getPowerManagerInternal());

        mIWindowManager = Preconditions.checkNotNull(getIWindowManager());

        mNotificationManager = Preconditions.checkNotNull(getNotificationManager());



        mLocalService = new LocalService();



        mHasFeature = mPackageManager.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN);

        if (!mHasFeature) {

            // Skip the rest of the initialization

            return;
@@ -1862,7 +1889,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        // Ensure the status of the camera is synced down to the system. Interested native services

        // should monitor this value and act accordingly.

        String cameraPropertyForUser = SYSTEM_PROP_DISABLE_CAMERA_PREFIX + policy.mUserHandle;

        boolean systemState = SystemProperties.getBoolean(cameraPropertyForUser, false);

        boolean systemState = systemPropertiesGetBoolean(cameraPropertyForUser, false);

        boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle);

        if (cameraDisabled != systemState) {

            long token = binderClearCallingIdentity();
@@ -1870,7 +1897,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
                String value = cameraDisabled ? "1" : "0";

                if (DBG) Slog.v(LOG_TAG, "Change in camera state ["

                        + cameraPropertyForUser + "] = " + value);

                SystemProperties.set(cameraPropertyForUser, value);

                systemPropertiesSet(cameraPropertyForUser, value);

            } finally {

                binderRestoreCallingIdentity(token);

            }
@@ -3231,7 +3258,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
    }



    private boolean isExtStorageEncrypted() {

        String state = SystemProperties.get("vold.decrypt");

        String state = systemPropertiesGet("vold.decrypt");

        return !"".equals(state);

    }
@@ -3969,7 +3996,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
     * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}.

     */

    private int getEncryptionStatus() {

        String status = SystemProperties.get("ro.crypto.state", "unsupported");

        String status = systemPropertiesGet("ro.crypto.state", "unsupported");

        if ("encrypted".equalsIgnoreCase(status)) {

            final long token = binderClearCallingIdentity();

            try {
@@ -4377,7 +4404,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        }

        boolean isInitializerSystemApp;

        try {

            isInitializerSystemApp = isSystemApp(AppGlobals.getPackageManager(),

            isInitializerSystemApp = isSystemApp(getIPackageManager(),

                    initializer.getPackageName(), binderGetCallingUserHandle().getIdentifier());

        } catch (RemoteException | IllegalArgumentException e) {

            isInitializerSystemApp = false;
@@ -4528,7 +4555,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        final long ident = binderClearCallingIdentity();

        try {

            clearUserRestrictions(userHandle);

            AppGlobals.getPackageManager().updatePermissionFlagsForAllApps(

            getIPackageManager().updatePermissionFlagsForAllApps(

                    PackageManager.FLAG_PERMISSION_POLICY_FIXED,

                    0  /* flagValues */, userHandle.getIdentifier());

        } catch (RemoteException re) {
@@ -4596,7 +4623,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
            long id = binderClearCallingIdentity();

            try {

                if (!isDeviceOwner(activeAdmin.info.getPackageName())) {

                    IPackageManager ipm = AppGlobals.getPackageManager();

                    IPackageManager ipm = getIPackageManager();

                    ipm.setComponentEnabledSetting(who,

                            PackageManager.COMPONENT_ENABLED_STATE_DISABLED,

                            PackageManager.DONT_KILL_APP, userId);
@@ -4857,7 +4884,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 


    private void enableIfNecessary(String packageName, int userId) {

        try {

            IPackageManager ipm = AppGlobals.getPackageManager();

            IPackageManager ipm = getIPackageManager();

            ApplicationInfo ai = ipm.getApplicationInfo(packageName,

                    PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS,

                    userId);
@@ -4919,7 +4946,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        synchronized (this) {

            getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);



            IPackageManager pm = AppGlobals.getPackageManager();

            IPackageManager pm = getIPackageManager();

            long id = binderClearCallingIdentity();

            try {

                pm.addPersistentPreferredActivity(filter, activity, userHandle);
@@ -4938,7 +4965,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        synchronized (this) {

            getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);



            IPackageManager pm = AppGlobals.getPackageManager();

            IPackageManager pm = getIPackageManager();

            long id = binderClearCallingIdentity();

            try {

                pm.clearPackagePersistentPreferredActivities(packageName, userHandle);
@@ -5074,7 +5101,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        synchronized (this) {

            getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);



            IPackageManager pm = AppGlobals.getPackageManager();

            IPackageManager pm = getIPackageManager();

            long id = binderClearCallingIdentity();

            try {

                UserInfo parent = mUserManager.getProfileParent(callingUserId);
@@ -5105,7 +5132,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        int callingUserId = UserHandle.getCallingUserId();

        synchronized (this) {

            getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);

            IPackageManager pm = AppGlobals.getPackageManager();

            IPackageManager pm = getIPackageManager();

            long id = binderClearCallingIdentity();

            try {

                UserInfo parent = mUserManager.getProfileParent(callingUserId);
@@ -5144,7 +5171,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
                userIdToCheck = user.profileGroupId;

            }



            IPackageManager pm = AppGlobals.getPackageManager();

            IPackageManager pm = getIPackageManager();

            for (String enabledPackage : enabledPackages) {

                boolean systemService = false;

                try {
@@ -5276,7 +5303,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
                    List<AccessibilityServiceInfo> installedServices =

                            accessibilityManager.getInstalledAccessibilityServiceList();



                    IPackageManager pm = AppGlobals.getPackageManager();

                    IPackageManager pm = getIPackageManager();

                    if (installedServices != null) {

                        for (AccessibilityServiceInfo service : installedServices) {

                            ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo;
@@ -5425,7 +5452,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
                List<InputMethodInfo> imes = inputMethodManager.getInputMethodList();

                long id = binderClearCallingIdentity();

                try {

                    IPackageManager pm = AppGlobals.getPackageManager();

                    IPackageManager pm = getIPackageManager();

                    if (imes != null) {

                        for (InputMethodInfo ime : imes) {

                            ServiceInfo serviceInfo = ime.getServiceInfo();
@@ -5472,7 +5499,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
        long id = binderClearCallingIdentity();

        try {

            String profileOwnerPkg = profileOwnerComponent.getPackageName();

            final IPackageManager ipm = AppGlobals.getPackageManager();

            final IPackageManager ipm = getIPackageManager();

            IActivityManager activityManager = getIActivityManager();



            final int userHandle = user.getIdentifier();
@@ -5624,8 +5651,8 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
                        // Send out notifications however as some clients may want to reread the

                        // value which actually changed due to a restriction having been applied.

                        final String property = Settings.Secure.SYS_PROP_SETTING_VERSION;

                        long version = SystemProperties.getLong(property, 0) + 1;

                        SystemProperties.set(property, Long.toString(version));

                        long version = systemPropertiesGetLong(property, 0) + 1;

                        systemPropertiesSet(property, Long.toString(version));



                        final String name = Settings.Secure.LOCATION_PROVIDERS_ALLOWED;

                        Uri url = Uri.withAppendedPath(Settings.Secure.CONTENT_URI, name);
@@ -5660,7 +5687,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 


            long id = binderClearCallingIdentity();

            try {

                IPackageManager pm = AppGlobals.getPackageManager();

                IPackageManager pm = getIPackageManager();

                return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId);

            } catch (RemoteException re) {

                // shouldn't happen
@@ -5681,7 +5708,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 


            long id = binderClearCallingIdentity();

            try {

                IPackageManager pm = AppGlobals.getPackageManager();

                IPackageManager pm = getIPackageManager();

                return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId);

            } catch (RemoteException re) {

                // shouldn't happen
@@ -5718,7 +5745,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
                    primaryUser = um.getUserInfo(userId);

                }



                IPackageManager pm = AppGlobals.getPackageManager();

                IPackageManager pm = getIPackageManager();

                if (!isSystemApp(pm, packageName, primaryUser.id)) {

                    throw new IllegalArgumentException("Only system apps can be enabled this way.");

                }
@@ -5755,7 +5782,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
                    primaryUser = um.getUserInfo(userId);

                }



                IPackageManager pm = AppGlobals.getPackageManager();

                IPackageManager pm = getIPackageManager();

                List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent,

                        intent.resolveTypeIfNeeded(mContext.getContentResolver()),

                        0, // no flags
@@ -5851,7 +5878,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 


            long id = binderClearCallingIdentity();

            try {

                IPackageManager pm = AppGlobals.getPackageManager();

                IPackageManager pm = getIPackageManager();

                pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId);

            } catch (RemoteException re) {

                // Shouldn't happen.
@@ -5876,7 +5903,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 


            long id = binderClearCallingIdentity();

            try {

                IPackageManager pm = AppGlobals.getPackageManager();

                IPackageManager pm = getIPackageManager();

                return pm.getBlockUninstallForUser(packageName, userId);

            } catch (RemoteException re) {

                // Shouldn't happen.
@@ -6560,7 +6587,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
            getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);

            long ident = binderClearCallingIdentity();

            try {

                final ApplicationInfo ai = AppGlobals.getPackageManager()

                final ApplicationInfo ai = getIPackageManager()

                        .getApplicationInfo(packageName, 0, user.getIdentifier());

                final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion;

                if (targetSdkVersion < android.os.Build.VERSION_CODES.M) {
@@ -6607,7 +6634,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 
            getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);

            long ident = binderClearCallingIdentity();

            try {

                int granted = AppGlobals.getPackageManager().checkPermission(permission,

                int granted = getIPackageManager().checkPermission(permission,

                        packageName, user.getIdentifier());

                int permFlags = packageManager.getPermissionFlags(permission, packageName, user);

                if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED)

services/tests/servicestests/AndroidManifest.xml

+20 −2
Original line number Diff line number Diff line
@@ -67,7 +67,25 @@ 
            </intent-filter>

        </receiver>



        <receiver android:name="com.android.server.devicepolicy.DummyDeviceAdmin"

        <receiver android:name="com.android.server.devicepolicy.DummyDeviceAdmins$Admin1"

            android:permission="android.permission.BIND_DEVICE_ADMIN">

            <meta-data android:name="android.app.device_admin"

                android:resource="@xml/device_admin_sample" />

            <intent-filter>

                <action android:name="android.app.action.DEVICE_ADMIN_ENABLED" />

            </intent-filter>

        </receiver>



        <receiver android:name="com.android.server.devicepolicy.DummyDeviceAdmins$Admin2"

            android:permission="android.permission.BIND_DEVICE_ADMIN">

            <meta-data android:name="android.app.device_admin"

                android:resource="@xml/device_admin_sample" />

            <intent-filter>

                <action android:name="android.app.action.DEVICE_ADMIN_ENABLED" />

            </intent-filter>

        </receiver>



        <receiver android:name="com.android.server.devicepolicy.DummyDeviceAdmins$Admin3"

            android:permission="android.permission.BIND_DEVICE_ADMIN">

            <meta-data android:name="android.app.device_admin"

                android:resource="@xml/device_admin_sample" />

services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerServiceTestable.java

+42 −16
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ import com.android.internal.widget.LockPatternUtils; 
import android.app.IActivityManager;

import android.app.NotificationManager;

import android.content.Context;

import android.content.pm.IPackageManager;

import android.content.pm.PackageManager;

import android.os.Looper;

import android.os.PowerManager.WakeLock;
@@ -45,9 +46,9 @@ public class DevicePolicyManagerServiceTestable extends DevicePolicyManagerServi 
        public static final String DEVICE_OWNER_FILE = "device_owner2.xml";

        public static final String PROFILE_OWNER_FILE_BASE = "profile_owner.xml";



        final private File mLegacyFile;

        final private File mDeviceOwnerFile;

        final private File mProfileOwnerBase;

        private final File mLegacyFile;

        private final File mDeviceOwnerFile;

        private final File mProfileOwnerBase;



        public OwnersTestable(Context context, File dataDir) {

            super(context);
@@ -96,47 +97,52 @@ public class DevicePolicyManagerServiceTestable extends DevicePolicyManagerServi 
    }



    @Override

    protected Owners newOwners() {

    Owners newOwners() {

        return new OwnersTestable(getContext(), dataDir);

    }



    @Override

    protected UserManager getUserManager() {

    UserManager getUserManager() {

        return getContext().userManager;

    }



    @Override

    protected PackageManager getPackageManager() {

    PackageManager getPackageManager() {

        return getContext().packageManager;

    }



    @Override

    protected PowerManagerInternal getPowerManagerInternal() {

    PowerManagerInternal getPowerManagerInternal() {

        return getContext().powerManagerInternal;

    }



    @Override

    protected NotificationManager getNotificationManager() {

    NotificationManager getNotificationManager() {

        return getContext().notificationManager;

    }



    @Override

    protected IWindowManager newIWindowManager() {

    IWindowManager getIWindowManager() {

        return getContext().iwindowManager;

    }



    @Override

    protected IActivityManager getIActivityManager() {

    IActivityManager getIActivityManager() {

        return getContext().iactivityManager;

    }



    @Override

    protected LockPatternUtils newLockPatternUtils(Context context) {

    IPackageManager getIPackageManager() {

        return getContext().ipackageManager;

    }



    @Override

    LockPatternUtils newLockPatternUtils(Context context) {

        return getContext().lockPatternUtils;

    }



    @Override

    protected Looper getMyLooper() {

    Looper getMyLooper() {

        return Looper.getMainLooper();

    }
@@ -181,12 +187,32 @@ public class DevicePolicyManagerServiceTestable extends DevicePolicyManagerServi 
    }



    @Override

    WakeLock powerManagerNewWakeLock(int levelAndFlags, String tag) {

        return getContext().powerManager.newWakeLock(levelAndFlags, tag);

    void powerManagerGoToSleep(long time, int reason, int flags) {

        getContext().powerManager.goToSleep(time, reason, flags);

    }



    @Override

    boolean systemPropertiesGetBoolean(String key, boolean def) {

        return getContext().systemProperties.getBoolean(key, def);

    }



    @Override

    void powerManagerGoToSleep(long time, int reason, int flags) {

        getContext().powerManager.goToSleep(time, reason, flags);

    long systemPropertiesGetLong(String key, long def) {

        return getContext().systemProperties.getLong(key, def);

    }



    @Override

    String systemPropertiesGet(String key, String def) {

        return getContext().systemProperties.get(key, def);

    }



    @Override

    String systemPropertiesGet(String key) {

        return getContext().systemProperties.get(key);

    }



    @Override

    void systemPropertiesSet(String key, String value) {

        getContext().systemProperties.set(key, value);

    }

}

services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java

+288 −43

File changed.

Preview size limit exceeded, changes collapsed.

services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java

+38 −10
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package com.android.server.devicepolicy;



import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.widget.LockPatternUtils;



import android.app.IActivityManager;
@@ -24,11 +25,13 @@ import android.content.BroadcastReceiver; 
import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.IPackageManager;

import android.content.pm.PackageManager;

import android.os.Bundle;

import android.os.Handler;

import android.os.PowerManager.WakeLock;

import android.os.PowerManagerInternal;

import android.os.SystemProperties;

import android.os.UserHandle;

import android.os.UserManager;

import android.test.mock.MockContext;
@@ -71,27 +74,27 @@ public class DpmMockContext extends MockContext { 
    public static final int SYSTEM_PID = 11111;



    public static class MockBinder {

        int mCallingUid = CALLER_UID;

        int mCallingPid = CALLER_PID;

        public int callingUid = CALLER_UID;

        public int callingPid = CALLER_PID;



        public long clearCallingIdentity() {

            final long token = (((long) mCallingUid) << 32) | (mCallingPid);

            mCallingUid = SYSTEM_UID;

            mCallingPid = SYSTEM_PID;

            final long token = (((long) callingUid) << 32) | (callingPid);

            callingUid = SYSTEM_UID;

            callingPid = SYSTEM_PID;

            return token;

        }



        public void restoreCallingIdentity(long token) {

            mCallingUid = (int) (token >> 32);

            mCallingPid = (int) token;

            callingUid = (int) (token >> 32);

            callingPid = (int) token;

        }



        public int getCallingUid() {

            return mCallingUid;

            return callingUid;

        }



        public int getCallingPid() {

            return mCallingPid;

            return callingPid;

        }



        public UserHandle getCallingUserHandle() {
@@ -99,7 +102,7 @@ public class DpmMockContext extends MockContext { 
        }



        public boolean isCallerUidMyUid() {

            return mCallingUid == SYSTEM_UID;

            return callingUid == SYSTEM_UID;

        }

    }
@@ -118,6 +121,27 @@ public class DpmMockContext extends MockContext { 
        }

    }



    public static class SystemPropertiesForMock {

        public boolean getBoolean(String key, boolean def) {

            return false;

        }



        public long getLong(String key, long def) {

            return 0;

        }



        public String get(String key, String def) {

            return null;

        }



        public String get(String key) {

            return null;

        }



        public void set(String key, String value) {

        }

    }



    public final Context realTestContext;



    /**
@@ -129,12 +153,14 @@ public class DpmMockContext extends MockContext { 


    public final MockBinder binder;

    public final EnvironmentForMock environment;

    public final SystemPropertiesForMock systemProperties;

    public final UserManager userManager;

    public final PowerManagerForMock powerManager;

    public final PowerManagerInternal powerManagerInternal;

    public final NotificationManager notificationManager;

    public final IWindowManager iwindowManager;

    public final IActivityManager iactivityManager;

    public final IPackageManager ipackageManager;

    public final LockPatternUtils lockPatternUtils;



    /** Note this is a partial mock, not a real mock. */
@@ -146,12 +172,14 @@ public class DpmMockContext extends MockContext { 
        realTestContext = context;

        binder = new MockBinder();

        environment = mock(EnvironmentForMock.class);

        systemProperties= mock(SystemPropertiesForMock.class);

        userManager = mock(UserManager.class);

        powerManager = mock(PowerManagerForMock.class);

        powerManagerInternal = mock(PowerManagerInternal.class);

        notificationManager = mock(NotificationManager.class);

        iwindowManager = mock(IWindowManager.class);

        iactivityManager = mock(IActivityManager.class);

        ipackageManager = mock(IPackageManager.class);

        lockPatternUtils = mock(LockPatternUtils.class);



        // Package manager is huge, so we use a partial mock instead.