/*

 * Copyright (c) 2014, 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

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 */

/*

 * @test CdsWriteError

 * @summary Test how VM handles situation when it is impossible to write the

 *          CDS archive. VM is expected to exit gracefully and display the

 *          correct reason for the error.

 * @library /testlibrary

 * @run main CdsWriteError

 */

import com.oracle.java.testlibrary.*;

import java.io.File;

public class CdsWriteError {

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

        if (Platform.isWindows()) {

            System.out.println("This test is ignored on Windows. This test " +

                "manipulates folder writable attribute, which is known to be " +

                "often ignored by Windows");

            return;

        }

        String folderName = "tmp";

        String fileName = folderName + File.separator + "empty.jsa";

        // create an empty archive file and make it read only

        File folder = new File(folderName);

        if (!folder.mkdir())

            throw new RuntimeException("Error when creating a tmp folder");

        File cdsFile = new File(fileName);

        if (!cdsFile.createNewFile())

            throw new RuntimeException("Error when creating an empty CDS file");

        if (!cdsFile.setWritable(false))

            throw new RuntimeException("Error: could not set writable attribute on cds file");

        if (!folder.setWritable(false))

            throw new RuntimeException("Error: could not set writable attribute on the cds folder");

        try {

           ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

             "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./" + fileName, "-Xshare:dump");

            OutputAnalyzer output = new OutputAnalyzer(pb.start());

            output.shouldContain("Unable to create shared archive file");

            output.shouldHaveExitValue(1);

        } finally {

            // doing this, just in case, to make sure that files can be deleted by the harness

            // on any subsequent run

            folder.setWritable(true);

            cdsFile.setWritable(true);

        }

    }

}