/* * Copyright (c) 2015, 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 * @summary Basic test for shared strings * Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows * @requires (sun.arch.data.model != "32") & (os.family != "windows") * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) * @requires vm.gc.G1 * @library /test/hotspot/jtreg/runtime/appcds /test/lib * @modules java.base/jdk.internal.misc * @modules java.management * jdk.jartool/sun.tools.jar * @build HelloString * @run main SharedStringsBasic */ import jdk.test.lib.BuildHelper; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; // This test does not use SharedStringsUtils intentionally: // - in order to demonstrate the basic use of the functionality // - to provide sanity check and catch potential problems in the utils public class SharedStringsBasic { private static String commercial() throws Exception { return BuildHelper.isCommercialBuild() ? "-XX:+UnlockCommercialFeatures" : "-showversion"; } public static void main(String[] args) throws Exception { String appJar = JarBuilder.build("SharedStringsBasic", "HelloString"); String sharedArchiveConfigFile = TestCommon.getSourceFile("SharedStringsBasic.txt").toString(); ProcessBuilder dumpPb = ProcessTools.createJavaProcessBuilder(true, commercial(), "-XX:+UseAppCDS", "-XX:+UseCompressedOops", "-XX:+UseG1GC", "-cp", appJar, "-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile, "-XX:SharedArchiveFile=./SharedStringsBasic.jsa", "-Xshare:dump", "-Xlog:cds,cds+hashtables"); TestCommon.executeAndLog(dumpPb, "dump") .shouldContain("Shared string table stats") .shouldHaveExitValue(0); ProcessBuilder runPb = ProcessTools.createJavaProcessBuilder(true, commercial(), "-XX:+UseAppCDS", "-XX:+UseCompressedOops", "-XX:+UseG1GC", "-cp", appJar, "-XX:SharedArchiveFile=./SharedStringsBasic.jsa", "-Xshare:auto", "-showversion", "HelloString"); TestCommon.executeAndLog(runPb, "run").shouldHaveExitValue(0); } }