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      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 
     17 package com.android.systemui;
     18 
     19 import static junit.framework.TestCase.assertFalse;
     20 import static junit.framework.TestCase.assertTrue;
     21 
     22 import android.testing.AndroidTestingRunner;
     23 import android.testing.TestableLooper;
     24 
     25 import androidx.test.filters.SmallTest;
     26 
     27 import org.junit.Test;
     28 import org.junit.runner.RunWith;
     29 
     30 @SmallTest
     31 @RunWith(AndroidTestingRunner.class)
     32 @TestableLooper.RunWithLooper
     33 public class InitControllerTest extends SysuiTestCase {
     34 
     35     private InitController mInitController = new InitController();
     36 
     37     @Test
     38     public void testInitControllerExecutesTasks() {
     39         boolean[] runs = {false, false, false};
     40         mInitController.addPostInitTask(() -> {
     41             runs[0] = true;
     42         });
     43         mInitController.addPostInitTask(() -> {
     44             runs[1] = true;
     45         });
     46         mInitController.addPostInitTask(() -> {
     47             runs[2] = true;
     48         });
     49         assertFalse(runs[0] || runs[1] || runs[2]);
     50 
     51         mInitController.executePostInitTasks();
     52         assertTrue(runs[0] && runs[1] && runs[2]);
     53     }
     54 
     55     @Test(expected = IllegalStateException.class)
     56     public void testInitControllerThrowsWhenTasksAreAddedAfterExecution() {
     57         boolean[] runs = {false, false, false};
     58         mInitController.addPostInitTask(() -> {
     59             runs[0] = true;
     60         });
     61         mInitController.addPostInitTask(() -> {
     62             runs[1] = true;
     63         });
     64 
     65         mInitController.executePostInitTasks();
     66 
     67         // Throws
     68         mInitController.addPostInitTask(() -> {
     69             runs[2] = true;
     70         });
     71     }
     72 }
     73