1 /*
   2  * Copyright (c) 2017, 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 Shared classes can still be used when archived heap regions cannot be
  28  *          mapped due to out of range, and -Xshare:on should not fail. Test on
  29  *          linux 64-bit only since the HeapBaseMinAddress value is platform specific.
  30  *          The value used in the test may cause different behavior on other platforms.
  31  * @requires vm.cds.archived.java.heap
  32  * @requires os.family == "linux"
  33  * @library /test/lib /test/hotspot/jtreg/runtime/appcds
  34  * @modules java.base/jdk.internal.misc
  35  * @modules java.management
  36  *          jdk.jartool/sun.tools.jar
  37  * @compile ../test-classes/Hello.java
  38  * @run main RangeNotWithinHeap
  39  */
  40 
  41 import jdk.test.lib.process.OutputAnalyzer;
  42 
  43 public class RangeNotWithinHeap {
  44     public static void main(String[] args) throws Exception {
  45         JarBuilder.getOrCreateHelloJar();
  46         String appJar = TestCommon.getTestJar("hello.jar");
  47         String appClasses[] = TestCommon.list("Hello");
  48 
  49         OutputAnalyzer output = TestCommon.dump(appJar, appClasses,
  50                     "-XX:HeapBaseMinAddress=0x600000000", "-Xmx6G", "-Xlog:gc+heap=trace");
  51         TestCommon.checkDump(output, "oa0 space:");
  52 
  53         // Force archive region out of runtime java heap
  54         output = TestCommon.exec(appJar, "Hello");
  55         TestCommon.checkExec(output, "Hello World");
  56         output = TestCommon.exec(appJar,
  57                     "-XX:HeapBaseMinAddress=0x600000000", "-Xmx2G", "-Xlog:gc+heap=trace,cds", "Hello");
  58         TestCommon.checkExec(output, "Hello World");
  59         try {
  60             output.shouldContain(
  61                 "UseSharedSpaces: Unable to allocate region, range is not within java heap.");
  62         } catch (Exception e) {
  63             // In rare case the heap data is not used.
  64             if (output.getOutput().contains("Cached heap data from the CDS archive is being ignored")) {
  65                 return;
  66             }
  67             // Check for common shared class data mapping failures.
  68             TestCommon.checkCommonExecExceptions(output, e);
  69         }
  70     }
  71 }