test/hotspot/jtreg/runtime/appcds/cacheObject/ArchivedIntegerCacheTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @summary Test IntegerCache integrity in various scenarios
 * @requires vm.cds.archived.java.heap
 * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds
 * @modules java.base/jdk.internal.misc
 *          java.management
 *          jdk.jartool/sun.tools.jar
 * @build sun.hotspot.WhiteBox
 * @compile CheckIntegerCacheApp.java
 * @run driver ClassFileInstaller -jar integer.jar CheckIntegerCacheApp
 * @run driver ClassFileInstaller -jar WhiteBox.jar sun.hotspot.WhiteBox
 * @run main ArchivedIntegerCacheTest
 */

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import jdk.test.lib.process.OutputAnalyzer;

public class ArchivedIntegerCacheTest {

    public static void main(String[] args) throws Exception {
        String wbJar = ClassFileInstaller.getJarPath("WhiteBox.jar");
        String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;
        String appJar = ClassFileInstaller.getJarPath("integer.jar");

        Path userDir = Paths.get(System.getProperty("user.dir"));
        Path moduleDir = Files.createTempDirectory(userDir, "mods");

        //
        // Dump default archive
        //
        OutputAnalyzer output = TestCommon.dump(appJar,
                TestCommon.list("CheckIntegerCacheApp"),
                use_whitebox_jar);
        TestCommon.checkDump(output);

        // Test case 1)
        // - Default options
        System.out.println("----------------------- Test case 1 ----------------------");
        output = TestCommon.exec(appJar, use_whitebox_jar,
                "-XX:+UnlockDiagnosticVMOptions",
                "-XX:+WhiteBoxAPI",
                "CheckIntegerCacheApp",
                "127",
                "true");
        TestCommon.checkExec(output);

        // Test case 2)
        // - Default archive
        // - Larger -XX:AutoBoxCacheMax
        System.out.println("----------------------- Test case 2 ----------------------");
        output = TestCommon.exec(appJar, use_whitebox_jar,
                "-XX:+UnlockDiagnosticVMOptions",
                "-XX:+WhiteBoxAPI",
                "-XX:AutoBoxCacheMax=20000",
                "CheckIntegerCacheApp",
                "20000",
                "false");
        TestCommon.checkExec(output);

        //
        // Dump with -XX:AutoBoxCacheMax specified
        //
        output = TestCommon.dump(appJar,
                TestCommon.list("CheckIntegerCacheApp"),
                "-XX:AutoBoxCacheMax=20000",
                use_whitebox_jar);
        TestCommon.checkDump(output);

        // Test case 3)
        // - Large archived cache
        // - Default options
        System.out.println("----------------------- Test case 3 ----------------------");
        output = TestCommon.exec(appJar, use_whitebox_jar,
                "--module-path",
                moduleDir.toString(),
                "-XX:+UnlockDiagnosticVMOptions",
                "-XX:+WhiteBoxAPI",
                "CheckIntegerCacheApp",
                "127",
                "true");
        TestCommon.checkExec(output);


        // Test case 4)
        // - Large archived cache
        // - Matching options
        System.out.println("----------------------- Test case 4 ----------------------");
        output = TestCommon.exec(appJar, use_whitebox_jar,
                "--module-path",
                moduleDir.toString(),
                "-XX:+UnlockDiagnosticVMOptions",
                "-XX:+WhiteBoxAPI",
                "-XX:AutoBoxCacheMax=20000",
                "CheckIntegerCacheApp",
                "20000",
                "true");
        TestCommon.checkExec(output);

        // Test case 5)
        // - Large archived cache
        // - Larger requested cache
        System.out.println("----------------------- Test case 5 ----------------------");
        output = TestCommon.exec(appJar, use_whitebox_jar,
                "--module-path",
                moduleDir.toString(),
                "-XX:+UnlockDiagnosticVMOptions",
                "-XX:+WhiteBoxAPI",
                "-XX:AutoBoxCacheMax=30000",
                "CheckIntegerCacheApp",
                "30000",
                "false");
        TestCommon.checkExec(output);

        // Test case 6)
        // - Cache is too large to archive
        output = TestCommon.dump(appJar,
                TestCommon.list("CheckIntegerCacheApp"),
                "-XX:AutoBoxCacheMax=2000000",
                "-Xmx1g",
                "-XX:NewSize=1g",
                "-Xlog:cds+heap=info",
                use_whitebox_jar);
        TestCommon.checkDump(output,
            "Cannot archive the sub-graph referenced from [Ljava.lang.Integer; object");
    }
}