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 public class CtsTestUtils { 21 private CtsTestUtils() {} 22 23 public static Throwable assertThrows(Runnable action) { 24 return assertThrows(Throwable.class, action); 25 } 26 27 public static <E extends Throwable> E assertThrows(Class<E> exceptionClass, Runnable action) { 28 try { 29 action.run(); 30 throw new AssertionError("Expected an exception"); 31 } catch (Throwable e) { 32 if (exceptionClass.isInstance(e)) { 33 return (E) e; 34 } 35 throw new RuntimeException(e); 36 } 37 } 38 } 39
