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.keyguard;
18 
19 import static junit.framework.Assert.assertEquals;
20 
21 import static org.mockito.Mockito.mock;
22 
23 import android.os.Handler;
24 import android.os.Looper;
25 import android.support.test.runner.AndroidJUnit4;
26 import android.test.suitebuilder.annotation.SmallTest;
27 
28 import com.android.systemui.SysuiTestCase;
29 
30 import org.junit.Before;
31 import org.junit.Test;
32 import org.junit.runner.RunWith;
33 
34 @SmallTest
35 @RunWith(AndroidJUnit4.class)
36 public class KeyguardMessageAreaTest extends SysuiTestCase {
37     private Handler mHandler = new Handler(Looper.getMainLooper());
38     private KeyguardMessageArea mMessageArea;
39 
40     @Before
setUp()41     public void setUp() throws Exception {
42         KeyguardUpdateMonitor monitor = mock(KeyguardUpdateMonitor.class);
43         mHandler.post(()-> mMessageArea = new KeyguardMessageArea(mContext, null, monitor));
44         waitForIdleSync();
45     }
46 
47     @Test
clearFollowedByMessage_keepsMessage()48     public void clearFollowedByMessage_keepsMessage() {
49         mHandler.post(()-> {
50             mMessageArea.setMessage("");
51             mMessageArea.setMessage("test");
52         });
53 
54         waitForIdleSync();
55 
56         CharSequence[] messageText = new CharSequence[1];
57         mHandler.post(()-> {
58             messageText[0] = mMessageArea.getText();
59         });
60 
61         waitForIdleSync();
62 
63         assertEquals("test", messageText[0]);
64     }
65 
66 }
67