/*
 * Copyright (c) 2018, 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.  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
 * 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 jdk.jfr.api.recording.misc;

import java.util.HashMap;
import java.util.Map;

import jdk.jfr.Recording;
import jdk.test.lib.Asserts;

/**
 * @test
 * @summary Verify that each recording get unique a id
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib
 * @run main/othervm  jdk.jfr.api.recording.misc.TestGetId
 */
public class TestGetId {

    public static void main(String[] args) throws Throwable {
        Map<Long, Recording> recordings = new HashMap<>();

        final int iterations = 100;
        for (int i = 0; i < iterations; ++i) {
            Recording newRecording = new Recording();
            System.out.println("created: " + newRecording.getId());
            Recording oldRecording = recordings.get(newRecording.getId());
            Asserts.assertNull(oldRecording, "Duplicate recording ID: " + newRecording.getId());
            recordings.put(newRecording.getId(), newRecording);

            if (i % 3 == 0) {
                Recording closeRecording = recordings.remove(recordings.keySet().iterator().next());
                Asserts.assertNotNull(closeRecording, "Could not find recording in map. Test error.");
                closeRecording.close();
                System.out.println("closed: " + closeRecording.getId());
            }
        }

        for (Recording r : recordings.values()) {
            r.close();
        }
    }

}
