/*

 * Copyright (c) 2016, 2019, 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).

 *

 * 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 Load app classes from CDS archive in parallel threads,

 * use initial transformation (CFLH)

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

 *     /test/hotspot/jtreg/runtime/cds/appcds/test-classes /test/hotspot/jtreg/runtime/cds/appcds/jvmti

 *     /test/hotspot/jtreg/testlibrary/jvmti

 * @requires vm.cds

 * @requires !vm.graal.enabled

 * @build TransformUtil TransformerAgent ParallelLoad

 * @run driver ParallelLoadAndTransformTest

 */

import java.util.List;

import java.util.stream.Collectors;

import java.util.stream.IntStream;

public class ParallelLoadAndTransformTest {

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

        String prop = "-Dappcds.parallel.transform.mode=cflh";

        String appJar = ClassFileInstaller.writeJar("parallel_load.jar",

                            getClassList(true));

        String agentJar = prepareAgent();

        TestCommon.test(appJar, getClassList(false),

                        "-javaagent:" + agentJar + "=ParallelClassTr.*",

                        prop, "ParallelLoad");

    }

    private static String[] getClassList(boolean includeWatchdog) {

        List<String> classList =

            IntStream.range(0, ParallelClassesTransform.NUMBER_OF_CLASSES)

            .mapToObj(i -> "ParallelClassTr" + i)

            .collect(Collectors.toList());

        classList.add("ParallelLoad");

        classList.add("ParallelLoadThread");

        if (includeWatchdog)

            classList.add("ParallelLoadWatchdog");

        return classList.toArray(new String[0]);

    }

    // Agent is the same for all test cases

    private static String prepareAgent() throws Exception {

        String agentClasses[] = {

            "TransformerAgent",

            "TransformerAgent$SimpleTransformer",

            "TransformUtil"

        };

        String manifest = "../../../../../testlibrary/jvmti/TransformerAgent.mf";

        return ClassFileInstaller.writeJar("TransformerAgent.jar",

            ClassFileInstaller.Manifest.fromSourceFile(manifest),

                                        agentClasses);

    }

}