ee.jakarta.tck.concurrent.common.fixed.counter.StaticCounter Maven / Gradle / Ivy

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/*
 * Copyright (c) 2013, 2023 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package ee.jakarta.tck.concurrent.common.fixed.counter;

import static org.junit.jupiter.api.Assertions.assertTimeoutPreemptively;

import java.util.concurrent.atomic.AtomicInteger;

import ee.jakarta.tck.concurrent.framework.TestConstants;
import ee.jakarta.tck.concurrent.framework.junit.extensions.Wait;

public final class StaticCounter {

    private static AtomicInteger count = new AtomicInteger(0);
    
    private StaticCounter() {
        //utility class
    }

    public static int getCount() {
        return count.get();
    }

    public static void inc() {
        count.incrementAndGet();
    }

    public static void reset() {
        count.set(0);
    }

    public static void waitTill(final int expected) {
        waitTill(expected, "Expected count " + expected + " within timeout.");
    }
    
    public static void waitTill(final int expected, final String message) {
        assertTimeoutPreemptively(TestConstants.waitTimeout, () -> {
            for (; expected != StaticCounter.getCount(); Wait.sleep(TestConstants.pollInterval)) {
                //empty
            }
        }, message);
    }
}