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
17package com.android.keyguard;
18
19import static junit.framework.Assert.assertEquals;
20
21import static org.mockito.Mockito.mock;
22
23import android.os.Handler;
24import android.os.Looper;
25import android.support.test.runner.AndroidJUnit4;
26import android.test.suitebuilder.annotation.SmallTest;
27
28import com.android.systemui.SysuiTestCase;
29
30import org.junit.Before;
31import org.junit.Test;
32import org.junit.runner.RunWith;
33
34@SmallTest
35@RunWith(AndroidJUnit4.class)
36public class KeyguardMessageAreaTest extends SysuiTestCase {
37    private Handler mHandler = new Handler(Looper.getMainLooper());
38    private KeyguardMessageArea mMessageArea;
39
40    @Before
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
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