1 /* 2 * Copyright (C) 2016 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.server.testutis; 17 18 import android.test.MoreAsserts; 19 20 import junit.framework.Assert; 21 22 public class TestUtils { 23 private TestUtils() { 24 } 25 26 public interface ExceptionRunnable { 27 void run() throws Exception; 28 } 29 30 public static void assertExpectException(Class<? extends Throwable> expectedExceptionType, 31 String expectedExceptionMessageRegex, ExceptionRunnable r) { 32 try { 33 r.run(); 34 } catch (Throwable e) { 35 Assert.assertTrue( 36 "Expected exception type was " + expectedExceptionType.getName() 37 + " but caught " + e.getClass().getName(), 38 expectedExceptionType.isAssignableFrom(e.getClass())); 39 if (expectedExceptionMessageRegex != null) { 40 MoreAsserts.assertContainsRegex(expectedExceptionMessageRegex, e.getMessage()); 41 } 42 return; // Pass. 43 } 44 Assert.fail("Expected exception type " + expectedExceptionType.getName() 45 + " was not thrown"); 46 } 47 } 48
