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.streams.state.internals;
  
  import org.apache.kafka.streams.kstream.Windowed;
  import org.apache.kafka.streams.kstream.internals.SessionWindow;
  import org.apache.kafka.streams.state.KeyValueIterator;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.Arrays;
  import java.util.HashSet;
  
  import static org.apache.kafka.test.StreamsTestUtils.valuesToSet;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  
  public class InMemorySessionStoreTest extends AbstractSessionBytesStoreTest {
  
      @Override
      StoreType storeType() {
          return StoreType.InMemoryStore;
      }
  
      @Test
      public void shouldNotExpireFromOpenIterator() {
  
          sessionStore.put(new Windowed<>("a", new SessionWindow(0, 0)), 1L);
          sessionStore.put(new Windowed<>("aa", new SessionWindow(0, 10)), 2L);
          sessionStore.put(new Windowed<>("a", new SessionWindow(10, 20)), 3L);
  
          final KeyValueIterator<Windowed<String>, Long> iterator = sessionStore.findSessions("a", "b", 0L, RETENTION_PERIOD);
  
          // Advance stream time to expire the first three record
          sessionStore.put(new Windowed<>("aa", new SessionWindow(100, 2 * RETENTION_PERIOD)), 4L);
  
          assertEquals(valuesToSet(iterator), new HashSet<>(Arrays.asList(1L, 2L, 3L, 4L)));
          assertFalse(iterator.hasNext());
  
          iterator.close();
  
          try (final KeyValueIterator<Windowed<String>, Long> it =
               sessionStore.findSessions("a", "b", 0L, 20L)) {
              assertFalse(it.hasNext());
          }
      }
  
  }