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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.event.gc.detailed;

import java.io.File;

import java.nio.file.Paths;

import java.util.List;

import jdk.jfr.consumer.RecordedEvent;

import jdk.jfr.consumer.RecordingFile;

import jdk.test.lib.Asserts;

import jdk.test.lib.jfr.Events;

public class PromotionFailedEvent {

    private final static String EVENT_SETTINGS_FILE = System.getProperty("test.src", ".") + File.separator + "promotionfailed-testsettings.jfc";

    private final static int BYTES_TO_ALLOCATE = 1024;

    public static void test(String testName, String[] vmFlags) throws Throwable {

        String jfr_file = testName + ".jfr";

        if (!ExecuteOOMApp.execute(EVENT_SETTINGS_FILE, jfr_file, vmFlags, BYTES_TO_ALLOCATE)) {

            System.out.println("OOM happened in the other thread(not test thread). Skip test.");

            // Skip test, process terminates due to the OOME error in the different thread

            return;

        }

        // This test can not always trigger the expected event.

        // Test is ok even if no events found.

        List<RecordedEvent> events = RecordingFile.readAllEvents(Paths.get(jfr_file));

        for (RecordedEvent event : events) {

            System.out.println("Event: " + event);

            long smallestSize = Events.assertField(event, "promotionFailed.smallestSize").atLeast(1L).getValue();

            long firstSize = Events.assertField(event, "promotionFailed.firstSize").atLeast(smallestSize).getValue();

            long totalSize = Events.assertField(event, "promotionFailed.totalSize").atLeast(firstSize).getValue();

            long objectCount = Events.assertField(event, "promotionFailed.objectCount").atLeast(1L).getValue();

            Asserts.assertLessThanOrEqual(smallestSize * objectCount, totalSize, "smallestSize * objectCount <= totalSize");

        }

    }

}