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 androidx.transition; 18 19 import static org.hamcrest.CoreMatchers.both; 20 import static org.hamcrest.Matchers.greaterThan; 21 import static org.hamcrest.Matchers.lessThan; 22 import static org.hamcrest.core.Is.is; 23 import static org.junit.Assert.assertEquals; 24 import static org.junit.Assert.assertThat; 25 26 import android.support.test.filters.MediumTest; 27 import android.view.View; 28 29 import androidx.transition.test.R; 30 31 import org.junit.Test; 32 33 @MediumTest 34 public class ChangeScrollTest extends BaseTransitionTest { 35 36 @Override 37 Transition createTransition() { 38 return new ChangeScroll(); 39 } 40 41 @Test 42 public void testChangeScroll() throws Throwable { 43 enterScene(R.layout.scene5); 44 rule.runOnUiThread(new Runnable() { 45 @Override 46 public void run() { 47 final View view = rule.getActivity().findViewById(R.id.text); 48 assertEquals(0, view.getScrollX()); 49 assertEquals(0, view.getScrollY()); 50 TransitionManager.beginDelayedTransition(mRoot, mTransition); 51 view.scrollTo(150, 300); 52 } 53 }); 54 waitForStart(); 55 Thread.sleep(150); 56 rule.runOnUiThread(new Runnable() { 57 @Override 58 public void run() { 59 final View view = rule.getActivity().findViewById(R.id.text); 60 final int scrollX = view.getScrollX(); 61 final int scrollY = view.getScrollY(); 62 assertThat(scrollX, is(both(greaterThan(0)).and(lessThan(150)))); 63 assertThat(scrollY, is(both(greaterThan(0)).and(lessThan(300)))); 64 } 65 }); 66 waitForEnd(); 67 rule.runOnUiThread(new Runnable() { 68 @Override 69 public void run() { 70 final View view = rule.getActivity().findViewById(R.id.text); 71 assertEquals(150, view.getScrollX()); 72 assertEquals(300, view.getScrollY()); 73 } 74 }); 75 } 76 77 } 78
