1 /* 2 * Copyright (c) 2015, 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 com.oracle.testlibrary.jsr292; 24 25 import jdk.testlibrary.Utils; 26 27 /** 28 * Helper class used to catch and process VirtualMachineError with message "Out 29 * of space in CodeCache". Some JSR292 tests run out of code cache size, so code 30 * cache overflows and VME is thrown. This VME is considered as non-critical in 31 * some JSR292 tests, so it should be processed to prevent test failure. 32 */ 33 public class CodeCacheOverflowProcessor { 34 35 /** 36 * Checks if an instance of Throwable is caused by VirtualMachineError with 37 * message "Out of space in CodeCache". May be used as filter in method 38 * {@code jdk.testlibrary.Utils.filterException}. 39 * 40 * @param t - Throwable to check. 41 * @return true if Throwable is caused by VME, false otherwise. 42 */ 43 public static Boolean isThrowableCausedByVME(Throwable t) { 44 Throwable causeOfT = t; 45 do { 46 if (causeOfT instanceof VirtualMachineError 47 && causeOfT.getMessage().matches(".*[Oo]ut of space" 48 + " in CodeCache.*")) { 49 return true; 50 } 51 causeOfT = causeOfT != null ? causeOfT.getCause() : null; 52 } while (causeOfT != null && causeOfT != t); 53 return false; 54 } 55 56 /** 57 * Checks if the given test throws an exception caused by 58 * VirtualMachineError with message "Out of space in CodeCache", and, if VME 59 * takes place, processes it so that no exception is thrown, and prints its 60 * stack trace. If test throws exception not caused by VME, this method just 61 * re-throws this exception. 62 * 63 * @param test - test to check for and process VirtualMachineError. 64 * @return - an exception caused by VME or null 65 * if test has thrown no exception. 66 * @throws Throwable - if test has thrown an exception 67 * that is not caused by VME. 68 */ 69 public static Throwable runMHTest(Utils.ThrowingRunnable test) throws Throwable { 70 Throwable t = Utils.filterException(test::run, 71 CodeCacheOverflowProcessor::isThrowableCausedByVME); 72 if (t != null) { 73 System.err.printf("%nNon-critical exception caught becuse of" 74 + " code cache size is not enough to run all test cases.%n%n"); 75 } 76 return t; 77 } 78 }