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 package com.android.cts.delegate; 17 18 import android.test.MoreAsserts; 19 import junit.framework.Assert; 20 21 /** 22 * Utils class for delegation tests. 23 */ 24 public class DelegateTestUtils { 25 26 @FunctionalInterface 27 public interface ExceptionRunnable { 28 void run() throws Exception; 29 } 30 31 public static void assertExpectException(Class<? extends Throwable> expectedExceptionType, 32 String expectedExceptionMessageRegex, ExceptionRunnable r) { 33 try { 34 r.run(); 35 } catch (Throwable e) { 36 Assert.assertTrue("Expected " + expectedExceptionType.getName() + " but caught " + e, 37 expectedExceptionType.isAssignableFrom(e.getClass())); 38 if (expectedExceptionMessageRegex != null) { 39 MoreAsserts.assertContainsRegex(expectedExceptionMessageRegex, e.getMessage()); 40 } 41 return; // Pass 42 } 43 Assert.fail("Expected " + expectedExceptionType.getName() + " was not thrown"); 44 } 45 } 46