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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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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

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 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/*

 * @test

 * @summary Similar to GCDuringDumping.java, this test adds the -XX:SharedArchiveConfigFile

 *          option for testing the interaction with GC and shared strings.

 * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/test-classes

 * @requires (sun.arch.data.model != "32") & (os.family != "windows")

 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)

 * @requires vm.flavor != "minimal"

 * @requires vm.gc.G1

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

 *          jdk.jartool/sun.tools.jar

 *          java.management

 * @build sun.hotspot.WhiteBox GCDuringDumpTransformer GCSharedStringsDuringDumpWb

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 * @run main/othervm/timeout=480 GCSharedStringsDuringDump

 */

import java.io.File;

import java.io.FileOutputStream;

import java.io.OutputStreamWriter;

import java.io.PrintWriter;

import jdk.test.lib.cds.CDSOptions;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

import sun.hotspot.WhiteBox;

public class GCSharedStringsDuringDump {

    public static String appClasses[] = {

        "GCSharedStringsDuringDumpWb",

    };

    public static String agentClasses[] = {

        "GCDuringDumpTransformer",

    };

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

        String agentJar =

            ClassFileInstaller.writeJar("GCDuringDumpTransformer.jar",

                                        ClassFileInstaller.Manifest.fromSourceFile("GCDuringDumpTransformer.mf"),

                                        agentClasses);

        String appJar =

            ClassFileInstaller.writeJar("GCSharedStringsDuringDumpApp.jar", appClasses);

        String gcLog = "-Xlog:gc*=info,gc+region=trace,gc+alloc+region=debug";

        String sharedArchiveCfgFile =

            System.getProperty("user.dir") + File.separator + "GCSharedStringDuringDump_gen.txt";

        try (FileOutputStream fos = new FileOutputStream(sharedArchiveCfgFile)) {

            PrintWriter out = new PrintWriter(new OutputStreamWriter(fos));

            out.println("VERSION: 1.0");

            out.println("@SECTION: String");

            out.println("31: shared_test_string_unique_14325");

            for (int i=0; i<100000; i++) {

                String s = "generated_string " + i;

                out.println(s.length() + ": " + s);

            }

            out.close();

        }

        JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");

        String whiteBoxJar = TestCommon.getTestJar("WhiteBox.jar");

        String bootClassPath = "-Xbootclasspath/a:" + whiteBoxJar;

        for (int i=0; i<2; i++) {

            // i = 0 -- run without agent = no extra GCs

            // i = 1 -- run with agent = cause extra GCs

            String extraArg = (i == 0) ? "-showversion" : "-javaagent:" + agentJar;

            OutputAnalyzer output = TestCommon.dump(

                                appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),

                                bootClassPath, extraArg, "-Xmx32m", gcLog,

                                "-XX:+UseCompressedOops", "-XX:+UseG1GC",

                                "-XX:SharedReadOnlySize=30m",

                                "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);

            if (output.getStdout().contains("Too many string space regions") ||

                output.getStderr().contains("Unable to write archive heap memory regions") ||

                output.getStdout().contains("Try increasing NewSize") ||

                output.getExitValue() != 0) {

                // Try again with larger heap and NewSize, this should increase the

                // G1 heap region size to 2M

                TestCommon.testDump(

                    appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),

                    bootClassPath, extraArg, "-Xmx8g", "-XX:NewSize=8m", gcLog,

                    "-XX:+UseCompressedOops", "-XX:+UseG1GC",

                    "-XX:SharedReadOnlySize=30m",

                    "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);

            }

            output = TestCommon.execCommon(

                "-cp", appJar,

                bootClassPath,

                "-Xmx32m",

                "-XX:+PrintSharedSpaces",

                "-XX:+UseCompressedOops",

                "-XX:+UseG1GC",

                "-XX:+UnlockDiagnosticVMOptions",

                "-XX:+WhiteBoxAPI",

                "-XX:SharedReadOnlySize=30m",

                gcLog,

                "GCSharedStringsDuringDumpWb");

            TestCommon.checkExec(output);

        }

    }

}