1 /* 2 * Copyright (c) 2013, 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 /* 25 * @test CdsDifferentCompactStrings 26 * @summary CDS (class data sharing) requires the same -XX:[+-]CompactStrings 27 * setting between archive creation time and load time. 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 */ 32 33 import jdk.test.lib.cds.CDSTestUtils; 34 import jdk.test.lib.process.OutputAnalyzer; 35 36 public class CdsDifferentCompactStrings { 37 public static void main(String[] args) throws Exception { 38 createAndLoadSharedArchive("+", "-"); 39 createAndLoadSharedArchive("-", "+"); 40 } 41 42 private static void createAndLoadSharedArchive(String create, String load) 43 throws Exception 44 { 45 String createCompactStringsArgument = "-XX:" + create + "CompactStrings"; 46 String loadCompactStringsArgument = "-XX:" + load + "CompactStrings"; 47 48 OutputAnalyzer out = CDSTestUtils.createArchive(createCompactStringsArgument); 49 CDSTestUtils.checkDump(out); 50 51 out = CDSTestUtils.runWithArchive(loadCompactStringsArgument); 52 if (!CDSTestUtils.isUnableToMap(out)) { 53 out.shouldMatch("The shared archive file's CompactStrings " + 54 "setting .* does not equal the current CompactStrings setting") 55 .shouldHaveExitValue(1); 56 } 57 } 58 }