1 /* 2 * Copyright (c) 2015, 2017, 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 24 package test.java.lang.invoke.lib; 25 26 import jdk.testlibrary.Utils; 27 28 /** 29 * Helper class used to catch and process VirtualMachineError with message "Out 30 * of space in CodeCache". Some JSR292 tests run out of code cache size, so code 31 * cache overflows and VME is thrown. This VME is considered as non-critical in 32 * some JSR292 tests, so it should be processed to prevent test failure. 33 */ 34 public class CodeCacheOverflowProcessor { 35 36 /** 37 * Checks if an instance of Throwable is caused by VirtualMachineError with 38 * message "Out of space in CodeCache". May be used as filter in method 39 * {@code jdk.testlibrary.Utils.filterException}. 40 * 41 * @param t - Throwable to check. 42 * @return true if Throwable is caused by VME, false otherwise. 43 */ 44 public static Boolean isThrowableCausedByVME(Throwable t) { 45 Throwable causeOfT = t; 46 do { 47 if (causeOfT instanceof VirtualMachineError 48 && causeOfT.getMessage().matches(".*[Oo]ut of space" 49 + " in CodeCache.*")) { 50 return true; 51 } 52 causeOfT = causeOfT != null ? causeOfT.getCause() : null; 53 } while (causeOfT != null && causeOfT != t); 54 return false; 55 } 56 57 /** 58 * Checks if the given test throws an exception caused by 59 * VirtualMachineError with message "Out of space in CodeCache", and, if VME 60 * takes place, processes it so that no exception is thrown, and prints its 61 * stack trace. If test throws exception not caused by VME, this method just 62 * re-throws this exception. 63 * 64 * @param test - test to check for and process VirtualMachineError. 65 * @return - an exception caused by VME or null 66 * if test has thrown no exception. 67 * @throws Throwable - if test has thrown an exception 68 * that is not caused by VME. 69 */ 70 public static Throwable runMHTest(Utils.ThrowingRunnable test) throws Throwable { 71 Throwable t = Utils.filterException(test::run, 72 CodeCacheOverflowProcessor::isThrowableCausedByVME); 73 if (t != null) { 74 System.err.printf("%nNon-critical exception caught becuse of" 75 + " code cache size is not enough to run all test cases.%n%n"); 76 } 77 return t; 78 } 79 }