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      1 /*
      2  * Copyright (C) 2017 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 android.service.wallpaper;
     18 
     19 import static org.junit.Assert.assertEquals;
     20 import static org.junit.Assert.assertFalse;
     21 import static org.junit.Assert.assertTrue;
     22 
     23 import android.support.test.filters.SmallTest;
     24 
     25 import org.junit.Test;
     26 import org.junit.runner.RunWith;
     27 import org.junit.runners.JUnit4;
     28 
     29 @SmallTest
     30 @RunWith(JUnit4.class)
     31 public class WallpaperServiceTest {
     32 
     33     @Test
     34     public void testDeliversAmbientModeChanged() {
     35         int[] ambientModeChangedCount = {0};
     36         WallpaperService service = new WallpaperService() {
     37             @Override
     38             public Engine onCreateEngine() {
     39                 return new Engine() {
     40                     @Override
     41                     public void onAmbientModeChanged(boolean inAmbientMode, boolean animated) {
     42                         ambientModeChangedCount[0]++;
     43                     }
     44                 };
     45             }
     46         };
     47         WallpaperService.Engine engine = service.onCreateEngine();
     48         engine.setCreated(true);
     49 
     50         engine.doAmbientModeChanged(false, false);
     51         assertFalse("ambient mode should be false", engine.isInAmbientMode());
     52         assertEquals("onAmbientModeChanged should have been called",
     53                 ambientModeChangedCount[0], 1);
     54 
     55         engine.doAmbientModeChanged(true, false);
     56         assertTrue("ambient mode should be false", engine.isInAmbientMode());
     57         assertEquals("onAmbientModeChanged should have been called",
     58                 ambientModeChangedCount[0], 2);
     59     }
     60 
     61 }
     62