1 /*
   2  * Copyright (c) 2014, 2018, 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 Adding extra symbols into CDS archive using -XX:SharedArchiveConfigFile
  28  * @requires vm.cds
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  *          jdk.jartool/sun.tools.jar
  33  * @compile test-classes/Hello.java
  34  * @run main ExtraSymbols
  35  */
  36 
  37 import java.io.*;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 
  40 public class ExtraSymbols {
  41     static final String CDS_LOGGING = "-Xlog:cds,cds+hashtables";
  42     public static void main(String[] args) throws Exception {
  43         String appJar = JarBuilder.getOrCreateHelloJar();
  44 
  45         // 1. Dump without extra symbols.
  46         OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
  47                                                 CDS_LOGGING);
  48         checkOutput(output);
  49         int numEntries1 = numOfEntries(output);
  50 
  51         // 2. Dump an archive with extra symbols. All symbols in
  52         // ExtraSymbols.symbols.txt are valid. Dumping should succeed.
  53         output = TestCommon.dump(appJar, TestCommon.list("Hello"), CDS_LOGGING,
  54             "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("ExtraSymbols.symbols.txt"));
  55         checkOutput(output);
  56         int numEntries2 = numOfEntries(output);
  57         if (numEntries2 <= numEntries1) {
  58             throw new RuntimeException("No extra symbols added to archive");
  59         }
  60         output = TestCommon.exec(appJar, "Hello");
  61         TestCommon.checkExec(output);
  62 
  63         // 3. Dump with invalid symbol files. Dumping should fail.
  64         String invalid_symbol_files[] = {"ExtraSymbols.invalid_1.txt",
  65                                          "ExtraSymbols.invalid_2.txt",
  66                                          "ExtraSymbols.invalid_3.txt"};
  67         String err_msgs[] = {"Corrupted at line",
  68                              "wrong version of hashtable dump file",
  69                              "Corrupted at line"};
  70         for (int i = 0; i < invalid_symbol_files.length; i++) {
  71             output = TestCommon.dump(appJar, TestCommon.list("Hello"),
  72                                      "-XX:SharedArchiveConfigFile=" +
  73                                      TestCommon.getSourceFile(invalid_symbol_files[i]));
  74             output.shouldContain("Error occurred during initialization of VM");
  75             output.shouldContain(err_msgs[i]);
  76         }
  77     }
  78 
  79     static int numOfEntries(OutputAnalyzer output) {
  80         String s = output.firstMatch("Number of entries       : .*");
  81         String subs[] = s.split("[:]");
  82         int numEntries = Integer.parseInt(subs[1].trim());
  83         return numEntries;
  84     }
  85 
  86     static void checkOutput(OutputAnalyzer output) throws Exception {
  87         output.shouldContain("Loading classes to share");
  88         output.shouldContain("Shared symbol table stats -------- base:");
  89         output.shouldHaveExitValue(0);
  90     }
  91 }