test/hotspot/jtreg/runtime/appcds/customLoader/UnloadUnregisteredLoaderTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @summary Test the behavior when shared classes loaded by custom loaders are
 *          unloaded.
 * @requires vm.cds
 * @requires vm.cds.custom.loaders
 * @requires vm.opt.final.ClassUnloading
 * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/testlibrary
 * @modules java.base/jdk.internal.misc
 *          java.management
 *          jdk.jartool/sun.tools.jar
 * @build sun.hotspot.WhiteBox ClassUnloadCommon
 * @compile test-classes/UnloadUnregisteredLoader.java test-classes/CustomLoadee.java
 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
 * @run driver ClassFileInstaller ClassUnloadCommon
 * @run driver ClassFileInstaller ClassUnloadCommon$1
 * @run driver ClassFileInstaller ClassUnloadCommon$TestFailure
 * @run main UnloadUnregisteredLoaderTest
 */

import jdk.test.lib.process.OutputAnalyzer;
import sun.hotspot.WhiteBox;

public class UnloadUnregisteredLoaderTest {
    public static void main(String[] args) throws Exception {
        String appJar1 = JarBuilder.build("UnloadUnregisteredLoader_app1", "UnloadUnregisteredLoader");
        String appJar2 = JarBuilder.build(true, "UnloadUnregisteredLoader_app2",
                                          "ClassUnloadCommon", "ClassUnloadCommon$1", "ClassUnloadCommon$TestFailure");
        String customJarPath = JarBuilder.build("UnloadUnregisteredLoader_custom", "CustomLoadee");
        String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
        String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;

        String classpath = TestCommon.concatPaths(appJar1, appJar2);
        String classlist[] = new String[] {
            "UnloadUnregisteredLoader",
            "ClassUnloadCommon",
            "ClassUnloadCommon$1",
            "ClassUnloadCommon$TestFailure",
            "java/lang/Object id: 1",
            "CustomLoadee id: 2 super: 1 source: " + customJarPath,
        };

        OutputAnalyzer output;
        TestCommon.testDump(classpath, classlist,
                            // command-line arguments ...
                            use_whitebox_jar);

        output = TestCommon.exec(classpath,
                                 // command-line arguments ...
                                 use_whitebox_jar,
                                 "-XX:+UnlockDiagnosticVMOptions",
                                 "-XX:+WhiteBoxAPI",
                                 "UnloadUnregisteredLoader",
                                 customJarPath);
        TestCommon.checkExec(output);
    }
}