/* * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test CdsDifferentCompactStrings * @summary CDS (class data sharing) requires the same -XX:[+-]CompactStrings * setting between archive creation time and load time. * @library /test/lib * @modules java.base/jdk.internal.misc * java.management */ import jdk.test.lib.cds.CDSTestUtils; import jdk.test.lib.process.OutputAnalyzer; public class CdsDifferentCompactStrings { public static void main(String[] args) throws Exception { createAndLoadSharedArchive("+", "-"); createAndLoadSharedArchive("-", "+"); } private static void createAndLoadSharedArchive(String create, String load) throws Exception { String createCompactStringsArgument = "-XX:" + create + "CompactStrings"; String loadCompactStringsArgument = "-XX:" + load + "CompactStrings"; OutputAnalyzer out = CDSTestUtils.createArchive(createCompactStringsArgument); CDSTestUtils.checkDump(out); out = CDSTestUtils.runWithArchive(loadCompactStringsArgument); if (!CDSTestUtils.isUnableToMap(out)) { out.shouldMatch("The shared archive file's CompactStrings " + "setting .* does not equal the current CompactStrings setting") .shouldHaveExitValue(1); } } }