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1 package android.app;
2 
3 import static com.google.common.truth.Truth.assertThat;
4 
5 import android.content.Context;
6 import androidx.test.core.app.ActivityScenario;
7 import androidx.test.core.app.ApplicationProvider;
8 import androidx.test.ext.junit.runners.AndroidJUnit4;
9 import org.junit.Test;
10 import org.junit.runner.RunWith;
11 import org.robolectric.testapp.TestActivity;
12 
13 /** Compatibility test for {@link StatusBarManager}. */
14 @RunWith(AndroidJUnit4.class)
15 public class StatusBarManagerTest {
16   @Test
statusBarManager_applicationInstance_isNotSameAsActivityInstance()17   public void statusBarManager_applicationInstance_isNotSameAsActivityInstance() {
18     StatusBarManager applicationStatusBarManager =
19         (StatusBarManager)
20             ApplicationProvider.getApplicationContext()
21                 .getSystemService(Context.STATUS_BAR_SERVICE);
22     try (ActivityScenario<TestActivity> scenario = ActivityScenario.launch(TestActivity.class)) {
23       scenario.onActivity(
24           activity -> {
25             StatusBarManager activityStatusBarManager =
26                 (StatusBarManager) activity.getSystemService(Context.STATUS_BAR_SERVICE);
27             assertThat(applicationStatusBarManager).isNotSameInstanceAs(activityStatusBarManager);
28           });
29     }
30   }
31 
32   @Test
statusBarManager_activityInstance_isSameAsActivityInstance()33   public void statusBarManager_activityInstance_isSameAsActivityInstance() {
34     try (ActivityScenario<TestActivity> scenario = ActivityScenario.launch(TestActivity.class)) {
35       scenario.onActivity(
36           activity -> {
37             StatusBarManager activityStatusBarManager =
38                 (StatusBarManager) activity.getSystemService(Context.STATUS_BAR_SERVICE);
39             StatusBarManager anotherActivityStatusBarManager =
40                 (StatusBarManager) activity.getSystemService(Context.STATUS_BAR_SERVICE);
41             assertThat(anotherActivityStatusBarManager).isSameInstanceAs(activityStatusBarManager);
42           });
43     }
44   }
45 }
46