jdk

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/*
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 * Copyright (c) 2018, 2023, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 8202758
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 * @summary Ensure that if the JVM encounters a ClassLoader whose unnamedModule field is not set an InternalError results.
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 * @requires vm.flagless
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 * @modules java.base/jdk.internal.misc
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 * @library /test/lib
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 * @compile ClassLoaderNoUnnamedModule.java
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 * @run driver ClassLoaderNoUnnamedModuleTest
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 */
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class ClassLoaderNoUnnamedModuleTest {
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    public static void main(String args[]) throws Throwable {
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        ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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                               "--add-modules=java.base",
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                               "--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED",
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                               "-XX:-CreateCoredumpOnCrash",
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                               "ClassLoaderNoUnnamedModule");
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        OutputAnalyzer oa = new OutputAnalyzer(pb.start());
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        oa.shouldNotHaveExitValue(0);
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        oa.shouldContain("Internal Error");
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        oa.shouldContain("unnamed module");
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        oa.shouldContain("null or not an instance of java.lang.Module");
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    }
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}
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