/* * Copyright (c) 2017, 2018, 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 Write a lots of shared strings. * @requires vm.cds.archived.java.heap * @library /test/hotspot/jtreg/runtime/appcds /test/lib * @modules jdk.jartool/sun.tools.jar * @build HelloString * @run main SharedStringsStress */ import java.io.File; import java.io.FileOutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; public class SharedStringsStress { public static void main(String[] args) throws Exception { String appJar = JarBuilder.build("SharedStringsStress", "HelloString"); String sharedArchiveConfigFile = System.getProperty("user.dir") + File.separator + "SharedStringsStress_gen.txt"; try (FileOutputStream fos = new FileOutputStream(sharedArchiveConfigFile)) { PrintWriter out = new PrintWriter(new OutputStreamWriter(fos)); out.println("VERSION: 1.1"); out.println("@SECTION: String"); out.println("31: shared_test_string_unique_14325"); for (int i=0; i<100000; i++) { String s = "generated_string " + i; out.println(s.length() + ": " + s); } out.close(); } // Set NewSize to 8m due to dumping could fail in hs-tier6 testing with // the vm options: -XX:+UnlockCommercialFeatures -XX:+UseDeterministicG1GC // resulting in vm initialization error: // "GC triggered before VM initialization completed. Try increasing NewSize, current value 1331K." OutputAnalyzer dumpOutput = TestCommon.dump(appJar, TestCommon.list("HelloString"), "-XX:NewSize=8m", "-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile); TestCommon.checkDump(dumpOutput); OutputAnalyzer execOutput = TestCommon.exec(appJar, "HelloString"); TestCommon.checkExec(execOutput); } }