1 /*
   2  * Copyright (c) 2015, 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 /*
  26  * @test
  27  * @summary Basic test for shared strings
  28  * Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows
  29  * @requires (sun.arch.data.model != "32") & (os.family != "windows")
  30  * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
  31  * @requires vm.gc.G1
  32  * @library /test/hotspot/jtreg/runtime/appcds /test/lib
  33  * @modules java.base/jdk.internal.misc
  34  * @modules java.management
  35  *          jdk.jartool/sun.tools.jar
  36  * @build HelloString
  37  * @run main SharedStringsBasic
  38  */
  39 import jdk.test.lib.process.OutputAnalyzer;
  40 import jdk.test.lib.process.ProcessTools;
  41 
  42 // This test does not use SharedStringsUtils intentionally:
  43 // - in order to demonstrate the basic use of the functionality
  44 // - to provide sanity check and catch potential problems in the utils
  45 public class SharedStringsBasic {
  46     public static void main(String[] args) throws Exception {
  47         String appJar = JarBuilder.build("SharedStringsBasic", "HelloString");
  48 
  49         String sharedArchiveConfigFile =
  50             TestCommon.getSourceFile("SharedStringsBasic.txt").toString();
  51 
  52         ProcessBuilder dumpPb = ProcessTools.createJavaProcessBuilder(true,
  53             "-XX:+UseAppCDS",
  54             "-XX:+UseCompressedOops",
  55             "-XX:+UseG1GC",
  56             "-cp", appJar,
  57             "-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile,
  58             "-XX:SharedArchiveFile=./SharedStringsBasic.jsa",
  59             "-Xshare:dump",
  60             "-Xlog:cds,cds+hashtables");
  61 
  62         TestCommon.executeAndLog(dumpPb, "dump")
  63             .shouldContain("Shared string table stats")
  64             .shouldHaveExitValue(0);
  65 
  66         ProcessBuilder runPb = ProcessTools.createJavaProcessBuilder(true,
  67             "-XX:+UseAppCDS",
  68             "-XX:+UseCompressedOops",
  69             "-XX:+UseG1GC",
  70             "-cp", appJar,
  71             "-XX:SharedArchiveFile=./SharedStringsBasic.jsa",
  72             "-Xshare:auto",
  73             "-showversion",
  74             "HelloString");
  75 
  76         TestCommon.executeAndLog(runPb, "run").shouldHaveExitValue(0);
  77     }
  78 }