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

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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

 * accompanied this code).

 *

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package jdk.jfr.api.recording.destination;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.List;

import jdk.jfr.Recording;

import jdk.jfr.consumer.RecordedEvent;

import jdk.jfr.consumer.RecordingFile;

import jdk.test.lib.Asserts;

import jdk.test.lib.jfr.CommonHelper;

import jdk.test.lib.jfr.EventNames;

import jdk.test.lib.jfr.FileHelper;

import jdk.test.lib.jfr.VoidFunction;

/*

 * @test

 * @summary Test setDestination to read-only dir

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.recording.destination.TestDestReadOnly

 */

public class TestDestReadOnly {

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

        Path readOnlyDir = FileHelper.createReadOnlyDir(Paths.get(".", "readonly"));

        if (!FileHelper.isReadOnlyPath(readOnlyDir)) {

            System.out.println("Failed to create read-only dir. Running as root?. Test ignored");

            return;

        }

        Path readOnlyDest = Paths.get(readOnlyDir.toString(), "readonly.jfr");

        Recording r = new Recording();

        r.enable(EventNames.OSInformation);

        r.setToDisk(true);

        verifyException(()->{r.setDestination(readOnlyDest);}, "No exception for setDestination to read-only dir");

        System.out.println("r.getDestination() = " + r.getDestination());

        // Verify that it works if we set destination to a writable dir.

        Path dest = Paths.get(".", "my.jfr");

        r.setDestination(dest);

        r.start();

        r.stop();

        r.close();

        Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest);

        List<RecordedEvent> events = RecordingFile.readAllEvents(dest);

        Asserts.assertFalse(events.isEmpty(), "No event found");

        System.out.printf("Found event %s in %s%n", events.get(0).getEventType().getName(), dest.toString());

    }

    private static void verifyException(VoidFunction f, String msg) throws Throwable {

        CommonHelper.verifyException(f, msg, IOException.class);

    }

}