/*

 * 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.event;

import jdk.jfr.EventType;

import jdk.jfr.Recording;

import jdk.test.lib.Asserts;

import jdk.test.lib.jfr.SimpleEvent;

/*

 * @test

 * @summary Test Event.isEnabled()

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.event.TestIsEnabled

 */

public class TestIsEnabled {

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

        assertDisabled("Event enabled with no recording");

        Recording r = new Recording();

        assertDisabled("Event enabled at new Recording()");

        r.enable(SimpleEvent.class);

        assertDisabled("Event enabled before r.start()");

        r.start();

        // enable/disable by class

        assertEnabled("Event not enabled after r.start()");

        r.disable(SimpleEvent.class);

        assertDisabled("Event enabled after r.disable()");

        r.enable(SimpleEvent.class);

        assertEnabled("Event disabled afer r.enable()");

        // enable/disable by event setting name

        String eventSettingName = String.valueOf(EventType.getEventType(SimpleEvent.class).getId());

        System.out.println("eventSettingName=" + eventSettingName);

        r.disable(eventSettingName);

        assertDisabled("Event enabled after r.disable(name)");

        r.enable(eventSettingName);

        assertEnabled("Event disabled after r.enable(name)");

        r.stop();

        assertDisabled("Event enabled after r.stop()");

        r.close();

        assertDisabled("Event enabled after r.close()");

    }

    private static void assertEnabled(String msg) {

        SimpleEvent event = new SimpleEvent();

        Asserts.assertTrue(event.isEnabled(), msg);

    }

    private static void assertDisabled(String msg) {

        SimpleEvent event = new SimpleEvent();

        Asserts.assertFalse(event.isEnabled(), msg);

    }

}