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 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

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

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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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

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package jdk.jfr.api.recording.misc;

import static jdk.test.lib.Asserts.assertEquals;

import static jdk.test.lib.Asserts.assertTrue;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import jdk.jfr.Recording;

import jdk.test.lib.Asserts;

import jdk.test.lib.jfr.EventNames;

/*

 * @test

 * @summary Test recording file size with Recording.getSize()

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.recording.misc.TestGetSizeToMem

 */

public class TestGetSizeToMem {

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

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

        Recording r = new Recording();

        r.setToDisk(false);

        r.setDestination(dest);

        r.enable(EventNames.OSInformation);

        r.start();

        r.stop();

        r.close();

        assertTrue(Files.exists(dest), "TestGetSize recording missing: " + dest);

        System.out.printf("%s size: %d%n", dest, Files.size(dest));

        System.out.printf("r.getSize(): %d%n", r.getSize());

        Asserts.assertNotEquals(Files.size(dest), 0L, "File should not be empty");

        assertEquals(r.getSize(), 0L, "r.getSize() should be 0 after setToDisk(false)");

    }

}