content: /*
   * 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.kafka.raft;
  
  import org.apache.kafka.common.errors.TimeoutException;
  import org.apache.kafka.common.utils.MockTime;
  import org.apache.kafka.test.TestUtils;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.concurrent.CompletableFuture;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  
  class MockExpirationServiceTest {
  
      private final MockTime time = new MockTime();
      private final MockExpirationService expirationService = new MockExpirationService(time);
  
      @Test
      public void testFailAfter() {
          CompletableFuture<Object> future1 = expirationService.failAfter(50);
          CompletableFuture<Object> future2 = expirationService.failAfter(25);
          CompletableFuture<Object> future3 = expirationService.failAfter(75);
          CompletableFuture<Object> future4 = expirationService.failAfter(50);
  
          time.sleep(25);
          TestUtils.assertFutureThrows(TimeoutException.class, future2);
          assertFalse(future1.isDone());
          assertFalse(future3.isDone());
          assertFalse(future4.isDone());
  
          time.sleep(25);
          TestUtils.assertFutureThrows(TimeoutException.class, future1);
          TestUtils.assertFutureThrows(TimeoutException.class, future4);
          assertFalse(future3.isDone());
  
          time.sleep(25);
          TestUtils.assertFutureThrows(TimeoutException.class, future3);
      }
  
  }