1 /*
   2  * Copyright (c) 2016, 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  * @test
  26  * @key aot
  27  * @library /test/lib /testlibrary /
  28  * @modules java.base/jdk.internal.misc
  29  * @requires vm.bits == "64" & (os.arch == "amd64" | os.arch == "x86_64")
  30  * @build compiler.aot.SharedUsageTest
  31  *        compiler.aot.AotCompiler
  32  * @run main compiler.aot.AotCompiler -libname libSharedUsageTest.so
  33  *      -class compiler.aot.SharedUsageTest
  34  *      -extraopt -XX:-UseCompressedOops
  35  * @run main/othervm -XX:+UseAOT -XX:AOTLibrary=./libSharedUsageTest.so
  36  *      -XX:-UseCompressedOops
  37  *      -Dcompiler.aot.SharedUsageTest.parent=true
  38  *      compiler.aot.SharedUsageTest
  39  * @summary check if .so can be successfully shared with 2 java processes
  40  */
  41 
  42 package compiler.aot;
  43 
  44 import jdk.test.lib.Asserts;
  45 import jdk.test.lib.process.ExitCode;
  46 import jdk.test.lib.Utils;
  47 import jdk.test.lib.cli.CommandLineOptionTest;
  48 
  49 public class SharedUsageTest {
  50     private static final String HELLO_MSG = "HelloWorld";
  51     private static final boolean ADD_TEST_VM_OPTION = false;
  52     private static boolean shouldBeFalseInParent = false;
  53     private static final boolean IS_PARENT = Boolean.getBoolean(
  54         "compiler.aot.SharedUsageTest.parent");
  55 
  56     public static void main(String args[]) throws Throwable {
  57         Asserts.assertFalse(shouldBeFalseInParent,
  58                 "A test invariant is broken");
  59         if (IS_PARENT) {
  60             /* An output of .so being used is verified after launch.
  61                A respective message is triggered by PrintAOT option. */
  62             CommandLineOptionTest.verifyJVMStartup(
  63                     new String[]{"libSharedUsageTest.so  aot library",
  64                         HELLO_MSG}, null, "Unexpected exit code",
  65                     "Unexpected output", ExitCode.OK, ADD_TEST_VM_OPTION,
  66                     "-XX:+UseAOT", "-XX:+PrintAOT",
  67                     "-Dtest.jdk=" + Utils.TEST_JDK,
  68                     "-XX:AOTLibrary=./libSharedUsageTest.so",
  69                     SharedUsageTest.class.getName());
  70             Asserts.assertFalse(shouldBeFalseInParent, "A static member got "
  71                     + "unexpectedly changed");
  72         } else {
  73             shouldBeFalseInParent = true;
  74             Asserts.assertTrue(shouldBeFalseInParent, "A static member wasn't"
  75                     + "changed as expected");
  76             System.out.println(HELLO_MSG);
  77         }
  78     }
  79 }