/*

 * Copyright (c) 2017, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package applications.jcstress;

import jdk.test.lib.Utils;

import jdk.test.lib.artifacts.Artifact;

import jdk.test.lib.artifacts.ArtifactResolver;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

import java.io.File;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.ArrayList;

import java.util.Map;

import java.util.List;

/**

 * jcstress tests wrapper

 */

@Artifact(organization = "org.openjdk.jcstress", name = "jcstress-tests-all",

        revision = "0.3", extension = "jar", unpack = false)

public class JcstressRunner {

    public static final String MAIN_CLASS = "org.openjdk.jcstress.Main";

    public static Path pathToArtifact() {

        Map<String, Path> artifacts;

        try {

            artifacts = ArtifactResolver.resolve(JcstressRunner.class);

            throw new Error("TESTBUG: Can not resolve artifacts for "

                            + JcstressRunner.class.getName(), e);

        }

        return artifacts.get("org.openjdk.jcstress.jcstress-tests-all-0.3")

                        .toAbsolutePath();

    }

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

        if (args.length < 1) {

            throw new Error("Usage: [jcstress flag]*");

        }

        Path out = Paths.get("jcstress.out").toAbsolutePath();

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(getCmd(args))

                                        .redirectErrorStream(true)

                                        .redirectOutput(out.toFile());

        OutputAnalyzer oa = ProcessTools.executeProcess(pb);

        if (0 != oa.getExitValue()) {

            String message = "jctress test finished with nonzero exitcode "

                              + oa.getExitValue();

            System.err.println(message);

            System.err.print("cmd = ");

            System.err.println(pb.command());

            System.err.print("cout/cerr(");

            System.err.print(out.toString());

            System.err.println(")[");

            Files.lines(out).forEach(System.err::println);

            System.err.println("]cout/cerr");

            throw new Error(message);

        }

    }

    private static String[] getCmd(String[] args) {

        List<String> extraFlags = new ArrayList<>();

        // add jar with jcstress tests and harness to CP

        extraFlags.add("-cp");

        extraFlags.add(System.getProperty("java.class.path")

                       + File.pathSeparator

                       + pathToArtifact().toString());

        extraFlags.add(MAIN_CLASS);

        String[] javaOpts = Utils.getTestJavaOpts();

        // disable flags auto-detection

        if (0 == javaOpts.length) {

            extraFlags.add("--jvmArgs");

            extraFlags.add("");

        } else {

            for (String jvmArg : Utils.getTestJavaOpts()) {

                extraFlags.add("--jvmArgs");

                extraFlags.add(jvmArg);

            }

        }

        String[] result = new String[extraFlags.size() + args.length];

        extraFlags.toArray(result);

        System.arraycopy(args, 0, result, extraFlags.size(), args.length);

        return result;

    }

}