1 /*
   2  * Copyright (c) 2019, 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 At run time, it is OK to append new elements to the classpath that was used at dump time.
  28  * @requires vm.cds
  29  * @library /test/lib /test/hotspot/jtreg/runtime/cds
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  *          jdk.jartool/sun.tools.jar
  33  * @compile ../test-classes/Hello.java
  34  * @compile ../test-classes/HelloMore.java
  35  * @run driver AppendClasspath
  36  */
  37 
  38 import java.io.File;
  39 
  40 public class AppendClasspath extends DynamicArchiveTestBase {
  41 
  42     public static void main(String[] args) throws Exception {
  43         runTest(AppendClasspath::testDefaultBase);
  44     }
  45 
  46     static void testDefaultBase() throws Exception {
  47         String topArchiveName = getNewArchiveName("top");
  48         doTest(topArchiveName);
  49     }
  50 
  51     private static void doTest(String topArchiveName) throws Exception {
  52         String appJar = JarBuilder.getOrCreateHelloJar();
  53         String appJar2 = JarBuilder.build("AppendClasspath_HelloMore", "HelloMore");
  54 
  55         // Dump an archive with a specified JAR file in -classpath
  56         dump(topArchiveName,
  57              "-Xlog:cds",
  58              "-Xlog:cds+dynamic=debug",
  59              "-cp", appJar, "Hello")
  60             .assertNormalExit(output -> {
  61                     output.shouldContain("Buffer-space to target-space delta")
  62                            .shouldContain("Written dynamic archive 0x");
  63                 });
  64 
  65         // runtime with classpath containing the one used in dump time,
  66         // i.e. the dump time classpath is a prefix of the runtime classpath.
  67         run(topArchiveName,
  68             "-Xlog:class+load",
  69             "-Xlog:cds+dynamic=debug,cds=debug",
  70             "-cp", appJar + File.pathSeparator + appJar2,
  71             "HelloMore")
  72             .assertNormalExit(output -> {
  73                     output.shouldContain("Hello source: shared objects file")
  74                           .shouldContain("Hello World ... More")
  75                           .shouldHaveExitValue(0);
  76                 });
  77 
  78         // reverse the order of the 2 jar files so that the dump time classpath
  79         // is no longer a prefix of the runtime classpath. The Hello class
  80         // should be loaded from the jar file.
  81         run(topArchiveName,
  82             "-Xlog:class+load",
  83             "-Xlog:cds+dynamic=debug,cds=debug",
  84             "-cp", appJar2 + File.pathSeparator + appJar,
  85             "HelloMore")
  86             .assertAbnormalExit(output -> {
  87                     output.shouldContain("shared class paths mismatch")
  88                           .shouldHaveExitValue(1);
  89                 });
  90 
  91     }
  92 }