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 17 18package android.support.v4.app; 19 20import static org.junit.Assert.assertTrue; 21 22import android.support.test.annotation.UiThreadTest; 23import android.support.test.filters.SmallTest; 24import android.support.test.rule.ActivityTestRule; 25import android.support.test.runner.AndroidJUnit4; 26import android.support.v4.app.test.FragmentTestActivity; 27import android.support.v4.app.test.FragmentTestActivity.ParentFragment; 28 29import org.junit.Rule; 30import org.junit.Test; 31import org.junit.runner.RunWith; 32 33@RunWith(AndroidJUnit4.class) 34@SmallTest 35public class ChildFragmentStateTest { 36 @Rule 37 public ActivityTestRule<FragmentTestActivity> mActivityRule = 38 new ActivityTestRule<FragmentTestActivity>(FragmentTestActivity.class); 39 40 @Test 41 @UiThreadTest 42 public void testChildFragmentOrdering() throws Throwable { 43 FragmentTestActivity.ParentFragment parent = new ParentFragment(); 44 FragmentManager fm = mActivityRule.getActivity().getSupportFragmentManager(); 45 fm.beginTransaction().add(parent, "parent").commit(); 46 fm.executePendingTransactions(); 47 assertTrue(parent.wasAttachedInTime); 48 } 49} 50