1 /* 2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.openjdk.testlib.java.util.stream; 24 25 import static org.testng.Assert.assertNotNull; 26 import static org.testng.Assert.assertTrue; 27 28 public final class ThrowableHelper { 29 checkException(Class<? extends Exception> ce, Runnable r)30 public static void checkException(Class<? extends Exception> ce, Runnable r) { 31 Exception caught = null; 32 try { 33 r.run(); 34 } catch (Exception e) { 35 caught = e; 36 } 37 38 assertNotNull(caught); 39 assertTrue(ce.isInstance(caught)); 40 } 41 checkNPE(Runnable r)42 public static void checkNPE(Runnable r) { 43 checkException(NullPointerException.class, r); 44 } 45 checkISE(Runnable r)46 public static void checkISE(Runnable r) { 47 checkException(IllegalStateException.class, r); 48 } 49 } 50