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 /*
  26  * @test
  27  * @summary DumpLoadedClassList should exclude generated classes, classes in bootclasspath/a and
  28  *          --patch-module.
  29  * @requires vm.cds
  30  * @library /test/lib
  31  * @modules java.base/jdk.internal.misc
  32  *          jdk.jartool/sun.tools.jar
  33  * @compile test-classes/ArrayListTest.java
  34  * @run main DumpClassList
  35  */
  36 
  37 import jdk.test.lib.compiler.InMemoryJavaCompiler;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 import jdk.test.lib.process.ProcessTools;
  40 
  41 public class DumpClassList {
  42     public static void main(String[] args) throws Exception {
  43         // build The app
  44         String[] appClass = new String[] {"ArrayListTest"};
  45         String classList = "app.list";
  46 
  47         JarBuilder.build("app", appClass[0]);
  48         String appJar = TestCommon.getTestJar("app.jar");
  49 
  50         // build patch-module
  51         String source = "package java.lang; "                       +
  52                         "public class NewClass { "                  +
  53                         "    static { "                             +
  54                         "        System.out.println(\"NewClass\"); "+
  55                         "    } "                                    +
  56                         "}";
  57 
  58         ClassFileInstaller.writeClassToDisk("java/lang/NewClass",
  59              InMemoryJavaCompiler.compile("java.lang.NewClass", source, "--patch-module=java.base"),
  60              System.getProperty("test.classes"));
  61 
  62         String patchJar = JarBuilder.build("javabase", "java/lang/NewClass");
  63 
  64         // build bootclasspath/a
  65         String source2 = "package boot.append; "                 +
  66                         "public class Foo { "                    +
  67                         "    static { "                          +
  68                         "        System.out.println(\"Foo\"); "  +
  69                         "    } "                                 +
  70                         "}";
  71 
  72         ClassFileInstaller.writeClassToDisk("boot/append/Foo",
  73              InMemoryJavaCompiler.compile("boot.append.Foo", source2),
  74              System.getProperty("test.classes"));
  75 
  76         String appendJar = JarBuilder.build("bootappend", "boot/append/Foo");
  77 
  78         // dump class list
  79         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  80             true,
  81             "-XX:DumpLoadedClassList=" + classList,
  82             "--patch-module=java.base=" + patchJar,
  83             "-Xbootclasspath/a:" + appendJar,
  84             "-cp",
  85             appJar,
  86             appClass[0]);
  87         OutputAnalyzer output = TestCommon.executeAndLog(pb, "dumpClassList");
  88         TestCommon.checkExecReturn(output, 0, true,
  89                                    "hello world",
  90                                    "skip writing class java/lang/NewClass") // skip classes outside of jrt image
  91             .shouldNotContain("skip writing class boot/append/Foo");        // but classes on -Xbootclasspath/a should not be skipped
  92 
  93         output = TestCommon.createArchive(appJar, appClass,
  94                                           "-Xbootclasspath/a:" + appendJar,
  95                                           "-XX:+UnlockDiagnosticVMOptions",
  96                                           "-Xlog:class+load",
  97                                           "-XX:SharedClassListFile=" + classList);
  98         TestCommon.checkDump(output)
  99             .shouldNotContain("Preload Warning: Cannot find java/lang/invoke/LambdaForm")
 100             .shouldNotContain("Preload Warning: Cannot find boot/append/Foo")
 101             .shouldContain("[info][class,load] boot.append.Foo");
 102     }
 103 }