1/* 2 * Copyright (C) 2018 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.widget; 18 19import android.support.test.InstrumentationRegistry; 20import android.support.test.annotation.UiThreadTest; 21import android.support.test.filters.SmallTest; 22import android.support.test.runner.AndroidJUnit4; 23 24import org.junit.Test; 25import org.junit.runner.RunWith; 26 27@RunWith(AndroidJUnit4.class) 28@SmallTest 29public class DateTimeViewTest { 30 31 @UiThreadTest 32 @Test 33 public void additionalOnDetachedFromWindow_noException() { 34 final DateTimeView dateTimeView = new DateTimeView(InstrumentationRegistry.getContext()); 35 dateTimeView.onAttachedToWindow(); 36 dateTimeView.onAttachedToWindow(); 37 // Even there is an additional detach (abnormal), DateTimeView should not unregister 38 // receiver again that raises "java.lang.IllegalArgumentException: Receiver not registered". 39 dateTimeView.onDetachedFromWindow(); 40 } 41} 42