1 /* 2 * Copyright (C) 2018 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 package com.android.cts.deviceowner; 17 18 import android.app.admin.DevicePolicyManager; 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentFilter; 23 import android.provider.Settings; 24 25 import java.util.Calendar; 26 import java.util.TimeZone; 27 import java.util.concurrent.CountDownLatch; 28 import java.util.concurrent.TimeUnit; 29 30 /** 31 * Test {@link DevicePolicyManager#setTime} and @link {DevicePolicyManager#setTimeZone} 32 */ 33 public class SetTimeTest extends BaseDeviceOwnerTest { 34 35 private static final long TEST_TIME_1 = 10000000; 36 private static final long TEST_TIME_2 = 100000000; 37 private static final String TEST_TIME_ZONE_1 = "America/New_York"; 38 private static final String TEST_TIME_ZONE_2 = "America/Los_Angeles"; 39 private static final long TIMEOUT_SEC = 60; 40 41 // Real world time to restore after the test. 42 private long mStartTimeWallClockMillis; 43 // Elapsed time to measure time taken by the test. 44 private long mStartTimeElapsedNanos; 45 46 @Override 47 protected void setUp() throws Exception { 48 super.setUp(); 49 saveTime(); 50 } 51 52 @Override 53 protected void tearDown() throws Exception { 54 restoreTime(); 55 super.tearDown(); 56 } 57 58 private void testSetTimeWithValue(long testTime) throws Exception { 59 final CountDownLatch latch = new CountDownLatch(1); 60 BroadcastReceiver receiver = new BroadcastReceiver() { 61 @Override 62 public void onReceive(Context context, Intent intent) { 63 latch.countDown(); 64 } 65 }; 66 mContext.registerReceiver(receiver, new IntentFilter(Intent.ACTION_TIME_CHANGED)); 67 68 try { 69 assertTrue("failed to set time", mDevicePolicyManager.setTime(getWho(), testTime)); 70 assertTrue("timed out waiting for time change broadcast", 71 latch.await(TIMEOUT_SEC, TimeUnit.SECONDS)); 72 assertTrue("time is different from what was set", 73 System.currentTimeMillis() <= testTime + (TIMEOUT_SEC + 1) * 1000); 74 } finally { 75 mContext.unregisterReceiver(receiver); 76 } 77 } 78 79 public void testSetTime() throws Exception { 80 mDevicePolicyManager.setGlobalSetting(getWho(), Settings.Global.AUTO_TIME, "0"); 81 testSetTimeWithValue(TEST_TIME_1); 82 testSetTimeWithValue(TEST_TIME_2); 83 } 84 85 public void testSetTimeFailWithAutoTimeOn() { 86 mDevicePolicyManager.setGlobalSetting(getWho(), Settings.Global.AUTO_TIME, "1"); 87 assertFalse(mDevicePolicyManager.setTime(getWho(), TEST_TIME_1)); 88 } 89 90 private void testSetTimeZoneWithValue(String testTimeZone) throws Exception { 91 final CountDownLatch latch = new CountDownLatch(1); 92 final BroadcastReceiver receiver = new BroadcastReceiver() { 93 @Override 94 public void onReceive(Context context, Intent intent) { 95 if (testTimeZone.equals(intent.getStringExtra("time-zone"))) { 96 latch.countDown(); 97 } 98 } 99 }; 100 mContext.registerReceiver(receiver, new IntentFilter(Intent.ACTION_TIMEZONE_CHANGED)); 101 102 try { 103 assertTrue("failed to set timezone", 104 mDevicePolicyManager.setTimeZone(getWho(), testTimeZone)); 105 assertTrue("timed out waiting for timezone change broadcast", 106 latch.await(TIMEOUT_SEC, TimeUnit.SECONDS)); 107 108 // There might be a delay in timezone setting propagation, so we retry for 5 seconds. 109 int retries = 0; 110 while (!testTimeZone.equals(TimeZone.getDefault().getID())) { 111 if (retries++ > 5) { 112 fail("timezone wasn't updated"); 113 } 114 Thread.sleep(1000); 115 } 116 } finally { 117 mContext.unregisterReceiver(receiver); 118 } 119 } 120 121 public void testSetTimeZone() throws Exception { 122 mDevicePolicyManager.setGlobalSetting(getWho(), Settings.Global.AUTO_TIME_ZONE, "0"); 123 124 try { 125 // If we are already in test time zone, use another one first. 126 if (TEST_TIME_ZONE_1.equals(TimeZone.getDefault().getID())) { 127 testSetTimeZoneWithValue(TEST_TIME_ZONE_2); 128 testSetTimeZoneWithValue(TEST_TIME_ZONE_1); 129 } else { 130 testSetTimeZoneWithValue(TEST_TIME_ZONE_1); 131 testSetTimeZoneWithValue(TEST_TIME_ZONE_2); 132 } 133 } finally { 134 mDevicePolicyManager.setGlobalSetting(getWho(), Settings.Global.AUTO_TIME_ZONE, "1"); 135 } 136 } 137 138 public void testSetTimeZoneFailWithAutoTimezoneOn() { 139 mDevicePolicyManager.setGlobalSetting(getWho(), Settings.Global.AUTO_TIME_ZONE, "1"); 140 assertFalse(mDevicePolicyManager.setTimeZone(getWho(), TEST_TIME_ZONE_1)); 141 } 142 143 private void saveTime() { 144 mStartTimeWallClockMillis = System.currentTimeMillis(); 145 mStartTimeElapsedNanos = System.nanoTime(); 146 } 147 148 private void restoreTime() { 149 mDevicePolicyManager.setGlobalSetting(getWho(), Settings.Global.AUTO_TIME, "0"); 150 151 final long estimatedNow = mStartTimeWallClockMillis + 152 TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - mStartTimeElapsedNanos); 153 mDevicePolicyManager.setTime(getWho(), estimatedNow); 154 155 mDevicePolicyManager.setGlobalSetting(getWho(), Settings.Global.AUTO_TIME, "1"); 156 157 } 158 } 159
