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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 package android.fragment.cts;
     17 
     18 import static org.junit.Assert.assertFalse;
     19 
     20 import android.support.test.filters.MediumTest;
     21 import android.support.test.rule.ActivityTestRule;
     22 import android.support.test.runner.AndroidJUnit4;
     23 
     24 import org.junit.Rule;
     25 import org.junit.Test;
     26 import org.junit.runner.RunWith;
     27 
     28 @MediumTest
     29 @RunWith(AndroidJUnit4.class)
     30 public class FragmentManagerConfigTest {
     31 
     32     @Rule
     33     public ActivityTestRule<ConfigOnStopActivity> mActivityRule =
     34             new ActivityTestRule<>(ConfigOnStopActivity.class);
     35 
     36     /**
     37      * When a fragment is added during onStop(), it should show up in non-config
     38      * state when restored for apps targeting SDKs P+.
     39      */
     40     @Test
     41     public void configStop() throws Throwable {
     42         ConfigOnStopActivity activity = FragmentTestUtil.recreateActivity(mActivityRule,
     43                 mActivityRule.getActivity());
     44 
     45         // A fragment was added in onStop(), but we shouldn't see it here...
     46         assertFalse(activity.getFragmentManager().getFragments().isEmpty());
     47     }
     48 
     49 }