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.server.common;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.Map;
  
  import static org.apache.kafka.server.common.MetadataVersion.FEATURE_NAME;
  import static org.apache.kafka.server.common.MetadataVersion.MINIMUM_VERSION;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  class FinalizedFeaturesTest {
      @Test
      public void testKRaftModeFeatures() {
          FinalizedFeatures finalizedFeatures = new FinalizedFeatures(MINIMUM_VERSION,
                  Map.of("foo", (short) 2), 123);
          assertEquals(MINIMUM_VERSION.featureLevel(),
                  finalizedFeatures.finalizedFeatures().get(FEATURE_NAME));
          assertEquals((short) 2,
                  finalizedFeatures.finalizedFeatures().get("foo"));
          assertEquals(2, finalizedFeatures.finalizedFeatures().size());
      }
  
      @Test
      public void testSetFinalizedLevel() {
          FinalizedFeatures finalizedFeatures = new FinalizedFeatures(
              MINIMUM_VERSION,
              Map.of("foo", (short) 2),
              123
          );
  
          // Override an existing finalized feature version to 0
          FinalizedFeatures removedFeatures = finalizedFeatures.setFinalizedLevel("foo", (short) 0);
          assertNull(removedFeatures.finalizedFeatures().get("foo"));
  
          // Override a missing finalized feature version to 0
          FinalizedFeatures sameFeatures = removedFeatures.setFinalizedLevel("foo", (short) 0);
          assertEquals(sameFeatures.finalizedFeatures(), removedFeatures.finalizedFeatures());
      }
  }
  