/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.logging.log4j.core.filter;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.is;

import java.util.concurrent.Delayed;
import java.util.concurrent.TimeUnit;
import org.junit.jupiter.api.Test;

/**
 * Unit test for <code>BurstFilter</code>.
 */
public class BurstFilterLogDelayTest {

    @Test
    public void testCompareToOverflow() {
        // no overflow, but close
        final Delayed d1 =
                BurstFilter.createLogDelay(Long.MAX_VALUE - TimeUnit.SECONDS.toNanos(10) - System.nanoTime());

        // Overflow
        final Delayed d2 =
                BurstFilter.createLogDelay(Long.MAX_VALUE + TimeUnit.SECONDS.toNanos(10) - System.nanoTime());

        assertThat(d2, is(greaterThan(d1)));
    }
}
