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 android.accessibilityservice.cts.utils; 18 19 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 23 import java.util.Optional; 24 import java.util.function.Consumer; 25 26 public class CtsTestUtils { CtsTestUtils()27 private CtsTestUtils() {} 28 29 /** The timeout in milliseconds between two events to consider the device idle. */ 30 public static final long DEFAULT_IDLE_TIMEOUT_MS = 500L; 31 32 /** The maximal global timeout in milliseconds in which to wait for an idle state. */ 33 public static final long DEFAULT_GLOBAL_TIMEOUT_MS = 5000L; 34 assertThrows(Runnable action)35 public static Throwable assertThrows(Runnable action) { 36 return assertThrows(Throwable.class, action); 37 } 38 assertThrows(Class<E> exceptionClass, Runnable action)39 public static <E extends Throwable> E assertThrows(Class<E> exceptionClass, Runnable action) { 40 try { 41 action.run(); 42 throw new AssertionError("Expected an exception"); 43 } catch (Throwable e) { 44 if (exceptionClass.isInstance(e)) { 45 return (E) e; 46 } 47 throw new RuntimeException(e); 48 } 49 } 50 runIfNotNull(T callee, Consumer<T> action)51 public static <T> void runIfNotNull(T callee, Consumer<T> action) { 52 Optional.ofNullable(callee).ifPresent(action); 53 } 54 55 /** Returns {@code true} if run on an Automotive device */ isAutomotive(Context context)56 public static boolean isAutomotive(Context context) { 57 PackageManager pm = context.getPackageManager(); 58 return pm != null && pm.hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE); 59 } 60 } 61