1 /*

     2  * Copyright (c) 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  * @test

    26  * @bug 8202758

    27  * @summary Ensure that if the JVM encounters a ClassLoader whose unnamedModule field is not set an InternalError results.

    28  * @modules java.base/jdk.internal.misc

    29  * @library /test/lib

    30  * @compile ClassLoaderNoUnnamedModule.java

    31  * @run main/othervm ClassLoaderNoUnnamedModuleTest

    32  */

    33 

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

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

    36 

    37 public class ClassLoaderNoUnnamedModuleTest {

    38     public static void main(String args[]) throws Throwable {

    39         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    40                                "--add-modules=java.base",

    41                                "--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED",

    42                                "-XX:-CreateCoredumpOnCrash",

    43                                "ClassLoaderNoUnnamedModule");

    44         OutputAnalyzer oa = new OutputAnalyzer(pb.start());

    45         oa.shouldContain("Internal Error");

    46         oa.shouldContain("unnamed module");

    47         oa.shouldContain("null or not an instance of java.lang.Module");

    48     }

    49 }