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 non-empty dir in -cp should be fine during dump time if only classes

    28  *          from the system modules are being loaded even though some are

    29  *          defined to the PlatformClassLoader and AppClassLoader.

    30  * @requires vm.cds

    31  * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds

    32  * @modules jdk.jartool/sun.tools.jar

    33  * @compile ../test-classes/Hello.java

    34  * @run main/othervm -Dtest.cds.copy.child.stdout=false UnusedCPDuringDump

    35  */

    36 

    37 import java.io.File;

    38 

    39 public class UnusedCPDuringDump extends DynamicArchiveTestBase {

    40 

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

    42         runTest(UnusedCPDuringDump::testDefaultBase);

    43     }

    44 

    45     static void testDefaultBase() throws Exception {

    46         String topArchiveName = getNewArchiveName("top");

    47         doTest(topArchiveName);

    48     }

    49 

    50     private static void doTest(String topArchiveName) throws Exception {

    51         File dir = new File(System.getProperty("user.dir"));

    52         File emptydir = new File(dir, "emptydir");

    53         emptydir.mkdir();

    54         String appJar = JarBuilder.getOrCreateHelloJar();

    55         String bootClassPath = "-Xbootclasspath/a:" + appJar;

    56 

    57         // Dumping with a non-empty directory in the -cp.

    58         // It should be fine because the app class won't be loaded from the

    59         // -cp, it is being loaded from the bootclasspath.

    60         dump(topArchiveName,

    61              "-Xlog:cds",

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

    63              bootClassPath,

    64              "-cp", dir.getPath(),

    65              "Hello")

    66             .assertNormalExit(output -> {

    67                  output.shouldContain("Buffer-space to target-space delta")

    68                         .shouldContain("Written dynamic archive 0x");

    69                 });

    70 

    71         // Running with -cp different from dumping. It should be fine because

    72         // the runtime classpath won't be checked against unused classpath

    73         // during dump time.

    74         run(topArchiveName,

    75             "-Xlog:class+load",

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

    77              bootClassPath,

    78             "-cp", appJar, "Hello")

    79             .assertNormalExit(output -> {

    80                     output.shouldContain("Hello World")

    81                           .shouldHaveExitValue(0);

    82                 });

    83   }

    84 }