1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.app.activity; 18 19 import android.app.AlarmManager; 20 import android.content.Context; 21 import android.test.AndroidTestCase; 22 import android.test.suitebuilder.annotation.LargeTest; 23 24 import java.util.TimeZone; 25 26 public class SetTimeZonePermissionsTest extends AndroidTestCase { 27 28 private String[] mZones; 29 private String mCurrentZone; 30 private AlarmManager mAlarm; 31 32 @Override 33 protected void setUp() throws Exception { 34 super.setUp(); 35 36 mZones = TimeZone.getAvailableIDs(); 37 mCurrentZone = TimeZone.getDefault().getID(); 38 mAlarm = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 39 } 40 41 /** 42 * Verify that non-system processes cannot set the time zone. 43 */ 44 @LargeTest 45 public void testSetTimeZonePermissions() { 46 /** 47 * Attempt to set several predefined time zones, verifying that the system 48 * system default time zone has not actually changed from its prior state 49 * after each attempt. 50 */ 51 int max = (mZones.length > 10) ? mZones.length : 10; 52 assertTrue("No system-defined time zones - test invalid", max > 0); 53 54 for (int i = 0; i < max; i++) { 55 String tz = mZones[i]; 56 try { 57 mAlarm.setTimeZone(tz); 58 } catch (SecurityException se) { 59 // Expected failure; no need to handle specially since we're 60 // about to assert that the test invariant holds: no change 61 // to the system time zone. 62 } 63 64 String newZone = TimeZone.getDefault().getID(); 65 assertEquals("AlarmManager.setTimeZone() succeeded despite lack of permission", 66 mCurrentZone, 67 newZone); 68 } 69 } 70 } 71
