test/hotspot/jtreg/runtime/appcds/SharedBaseAddress.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * 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 SharedBaseAddress
 * @summary Test variety of values for SharedBaseAddress, in AppCDS mode,
 *          making sure VM handles normal values as well as edge values
 *          w/o a crash.
 * @requires vm.cds
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 *          jdk.jartool/sun.tools.jar
 * @compile test-classes/Hello.java
 * @run main/timeout=240 SharedBaseAddress
 */

import jdk.test.lib.process.OutputAnalyzer;

public class SharedBaseAddress {

    // shared base address test table
    private static final String[] testTable = {
        "1g", "8g", "64g","512g", "4t",
        "32t", "128t", "0",
        "1", "64k", "64M"
    };

    public static void main(String[] args) throws Exception {
        String appJar = JarBuilder.getOrCreateHelloJar();

        for (String testEntry : testTable) {
            System.out.println("sharedBaseAddress = " + testEntry);

            OutputAnalyzer dumpOutput = TestCommon.dump(
                appJar, new String[] {"Hello"}, "-XX:SharedBaseAddress=" + testEntry);
            TestCommon.checkDump(dumpOutput, "Loading classes to share");

            OutputAnalyzer execOutput = TestCommon.exec(appJar, "Hello");
            TestCommon.checkExec(execOutput, "Hello World");
        }
    }
}