/*

 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.

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

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * 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 Write a lots of shared strings.

 * @requires vm.cds.archived.java.heap

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

 * @modules jdk.jartool/sun.tools.jar

 * @build HelloString

 * @run main SharedStringsStress

 * @run main/othervm -XX:+UseStringDeduplication SharedStringsStress

 * @run main/othervm -XX:-CompactStrings SharedStringsStress

 */

import java.io.File;

import java.io.FileOutputStream;

import java.io.OutputStreamWriter;

import java.io.PrintWriter;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

public class SharedStringsStress {

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

        String appJar = JarBuilder.build("SharedStringsStress", "HelloString");

        String sharedArchiveConfigFile = System.getProperty("user.dir") + File.separator + "SharedStringsStress_gen.txt";

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

            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();

        }

        OutputAnalyzer dumpOutput = TestCommon.dump(appJar, TestCommon.list("HelloString"),

                                                    "-XX:SharedArchiveConfigFile=" + sharedArchiveConfigFile);

        TestCommon.checkDump(dumpOutput);

        OutputAnalyzer execOutput = TestCommon.exec(appJar, "HelloString");

        TestCommon.checkExec(execOutput);

    }

}