1 /* 2 * Copyright (C) 2016 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 com.android.cts.deviceowner; 18 19 import java.lang.Character; 20 21 public class LockScreenInfoTest extends BaseDeviceOwnerTest { 22 23 @Override 24 public void tearDown() throws Exception { 25 mDevicePolicyManager.setDeviceOwnerLockScreenInfo(getWho(), null); 26 super.tearDown(); 27 } 28 29 public void testSetAndGetLockInfo() { 30 setLockInfo("testSetAndGet"); 31 } 32 33 public void testClearLockInfo() { 34 setLockInfo("testClear"); 35 setLockInfo(null); 36 37 } 38 39 public void testEmptyStringClearsLockInfo() { 40 final String message = ""; 41 mDevicePolicyManager.setDeviceOwnerLockScreenInfo(getWho(), message); 42 assertNull(mDevicePolicyManager.getDeviceOwnerLockScreenInfo()); 43 } 44 45 public void testWhitespaceOnly() { 46 setLockInfo("\t"); 47 } 48 49 public void testUnicode() { 50 final String smiley = new String(Character.toChars(0x1F601)); 51 final String phone = new String(Character.toChars(0x1F4F1)); 52 setLockInfo(smiley + phone + "\t" + phone + smiley); 53 } 54 55 public void testNullInString() { 56 setLockInfo("does \0 this \1 work?"); 57 } 58 59 public void testReasonablyLongString() { 60 final int messageLength = 128; 61 setLockInfo(new String(new char[messageLength]).replace('\0', 'Z')); 62 } 63 64 public void testSetLockInfoWithNullAdminFails() { 65 final String message = "nulladmin"; 66 67 // Set message 68 try { 69 mDevicePolicyManager.setDeviceOwnerLockScreenInfo(null, message); 70 fail("Exception should have been thrown for null admin ComponentName"); 71 } catch (NullPointerException expected) { 72 } 73 } 74 75 /** 76 * Sets device owner lock screen info on behalf of the current device owner admin. 77 * 78 * @throws AssertionError if the setting did not take effect. 79 */ 80 private void setLockInfo(String message) { 81 mDevicePolicyManager.setDeviceOwnerLockScreenInfo(getWho(), message); 82 assertEquals(message, mDevicePolicyManager.getDeviceOwnerLockScreenInfo()); 83 } 84 } 85
