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 17package android.support.v4.view; 18 19import static org.junit.Assert.assertFalse; 20import static org.junit.Assert.assertTrue; 21 22import android.app.Activity; 23import android.graphics.Color; 24import android.graphics.drawable.ColorDrawable; 25import android.support.compat.test.R; 26import android.support.test.InstrumentationRegistry; 27import android.support.test.filters.MediumTest; 28import android.support.test.runner.AndroidJUnit4; 29import android.support.v4.BaseInstrumentationTestCase; 30import android.view.ViewGroup; 31 32import org.junit.Before; 33import org.junit.Test; 34import org.junit.runner.RunWith; 35 36 37@RunWith(AndroidJUnit4.class) 38@MediumTest 39public class ViewGroupCompatTest extends BaseInstrumentationTestCase<ViewCompatActivity> { 40 41 private ViewGroup mViewGroup; 42 43 public ViewGroupCompatTest() { 44 super(ViewCompatActivity.class); 45 } 46 47 @Before 48 public void setUp() { 49 final Activity activity = mActivityTestRule.getActivity(); 50 mViewGroup = activity.findViewById(R.id.container); 51 } 52 53 @Test 54 public void isTransitionGroup() { 55 assertFalse(ViewGroupCompat.isTransitionGroup(mViewGroup)); 56 InstrumentationRegistry.getInstrumentation().runOnMainSync(new Runnable() { 57 @Override 58 public void run() { 59 ViewCompat.setBackground(mViewGroup, new ColorDrawable(Color.GRAY)); 60 } 61 }); 62 assertTrue(ViewGroupCompat.isTransitionGroup(mViewGroup)); 63 } 64 65 @Test 66 public void setTransitionGroup() { 67 assertFalse(ViewGroupCompat.isTransitionGroup(mViewGroup)); 68 InstrumentationRegistry.getInstrumentation().runOnMainSync(new Runnable() { 69 @Override 70 public void run() { 71 ViewGroupCompat.setTransitionGroup(mViewGroup, true); 72 } 73 }); 74 assertTrue(ViewGroupCompat.isTransitionGroup(mViewGroup)); 75 InstrumentationRegistry.getInstrumentation().runOnMainSync(new Runnable() { 76 @Override 77 public void run() { 78 ViewGroupCompat.setTransitionGroup(mViewGroup, false); 79 } 80 }); 81 assertFalse(ViewGroupCompat.isTransitionGroup(mViewGroup)); 82 } 83 84} 85