| /* |
| * 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: 1.0"); |
| 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(); |
| } |
| |
| OutputAnalyzer dumpOutput = TestCommon.dump(appJar, TestCommon.list("HelloString"), |
| "-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile); |
| TestCommon.checkDump(dumpOutput); |
| OutputAnalyzer execOutput = TestCommon.exec(appJar, "HelloString"); |
| TestCommon.checkExec(execOutput); |
| } |
| } |