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 A few edge cases where there's no class to be included in the dynamic archive.

    28  * @requires vm.cds

    29  * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/dynamicArchive/test-classes

    30  * @build StrConcatApp

    31  * @run driver ClassFileInstaller -jar strConcatApp.jar StrConcatApp

    32  * @run driver NoClassToArchive

    33  */

    34 

    35 import java.io.File;

    36 import jdk.test.lib.process.OutputAnalyzer;

    37 import jdk.test.lib.process.ProcessTools;

    38 

    39 public class NoClassToArchive extends DynamicArchiveTestBase {

    40     static final String warningMessage =

    41         "There is no class to be included in the dynamic archive";

    42     static final String classList = System.getProperty("test.classes") +

    43         File.separator + "NoClassToArchive.list";

    44     static final String appClass = "StrConcatApp";

    45 

    46     public static void main(String[] args) throws Exception {

    47         runTest(NoClassToArchive::testDefaultBase);

    48         runTest(NoClassToArchive::testCustomBase);

    49     }

    50 

    51     // (1) Test with default base archive + top archive

    52     static void testDefaultBase() throws Exception {

    53         String topArchiveName = getNewArchiveName("top");

    54         doTest(null, topArchiveName);

    55     }

    56 

    57     // (2) Test with custom base archive + top archive

    58     static void testCustomBase() throws Exception {

    59         String topArchiveName = getNewArchiveName("top2");

    60         String baseArchiveName = getNewArchiveName("base");

    61         doTestCustomBase(baseArchiveName, topArchiveName);

    62     }

    63 

    64     private static void checkWarning(OutputAnalyzer output) throws Exception {

    65         if (output.getStdout().contains("jrt:/") || output.getStdout().contains("unsafe anonymous")) {

    66             System.out.println("test skipped: this platform uses non-archived classes when running -version");

    67         } else {

    68             output.shouldContain(warningMessage);

    69         }

    70     }

    71 

    72     private static void doTest(String baseArchiveName, String topArchiveName) throws Exception {

    73         dump2(baseArchiveName, topArchiveName,

    74              "-Xlog:cds",

    75              "-Xlog:cds+dynamic=debug",

    76              "-Xlog:class+load=trace",

    77              "-version")

    78             .assertNormalExit(output -> checkWarning(output));

    79 

    80         dump2(baseArchiveName, topArchiveName,

    81              "-Xlog:cds",

    82              "-Xlog:cds+dynamic=debug",

    83              "-Xlog:class+load=trace",

    84              "-help")

    85             .assertNormalExit(output -> {

    86                     // some classes will be loaded from the java.base module

    87                     output.shouldContain("java.text.MessageFormat source: jrt:/java.base");

    88                 });

    89     }

    90 

    91     private static void doTestCustomBase(String baseArchiveName, String topArchiveName) throws Exception {

    92         String appJar = ClassFileInstaller.getJarPath("strConcatApp.jar");

    93         // dump class list by running the StrConcatApp

    94         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    95             true,

    96             "-XX:DumpLoadedClassList=" + classList,

    97             "-cp",

    98             appJar,

    99             appClass);

   100         OutputAnalyzer output = TestCommon.executeAndLog(pb, "dumpClassList");

   101         TestCommon.checkExecReturn(output, 0, true, "length = 0");

   102 

   103         // create a custom base archive based on the class list

   104         dumpBaseArchive(baseArchiveName, "-XX:SharedClassListFile=" + classList);

   105 

   106         // create a dynamic archive with the custom base archive

   107         // no class should be included in the dynamic archive

   108         dump2(baseArchiveName, topArchiveName,

   109               "-Xlog:cds",

   110               "-Xlog:cds+dynamic=debug",

   111               "-Xlog:class+load=trace",

   112               "-version")

   113             .assertNormalExit(out -> checkWarning(out));

   114     }

   115 }