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.apache.kafka.common.record.ControlRecordUtils;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public final class KRaftVersionTest {
      @Test
      public void testFeatureLevel() {
          for (int i = 0; i < KRaftVersion.values().length; i++) {
              assertEquals(i, KRaftVersion.values()[i].featureLevel());
          }
      }
  
      @Test
      public void testQuorumStateVersion() {
          for (int i = 0; i < KRaftVersion.values().length; i++) {
              assertEquals(i, KRaftVersion.values()[i].quorumStateVersion());
          }
      }
  
      @Test
      public void testFromFeatureLevel() {
          for (int i = 0; i < KRaftVersion.values().length; i++) {
              assertEquals(KRaftVersion.values()[i], KRaftVersion.fromFeatureLevel((short) i));
          }
      }
  
      @Test
      public void testBootstrapMetadataVersion() {
          for (int i = 0; i < KRaftVersion.values().length; i++) {
              MetadataVersion metadataVersion = KRaftVersion.values()[i].bootstrapMetadataVersion();
              switch (i) {
                  case 0:
                      assertEquals(MetadataVersion.MINIMUM_VERSION, metadataVersion);
                      break;
                  case 1:
                      assertEquals(MetadataVersion.IBP_3_9_IV0, metadataVersion);
                      break;
                  default:
                      throw new RuntimeException("Unsupported value " + i);
              }
          }
      }
  
      @Test
      public void testKraftVersionRecordVersion() {
          for (KRaftVersion kraftVersion : KRaftVersion.values()) {
              switch (kraftVersion) {
                  case KRAFT_VERSION_0:
                      assertThrows(
                          IllegalStateException.class,
                          () -> kraftVersion.kraftVersionRecordVersion()
                      );
                      break;
  
                  case KRAFT_VERSION_1:
                      assertEquals(
                          ControlRecordUtils.KRAFT_VERSION_CURRENT_VERSION,
                          kraftVersion.kraftVersionRecordVersion()
                      );
                      break;
  
                  default:
                      throw new RuntimeException("Unsupported value " + kraftVersion);
              }
          }
      }
  
      @Test
      public void tesVotersRecordVersion() {
          for (KRaftVersion kraftVersion : KRaftVersion.values()) {
              switch (kraftVersion) {
                  case KRAFT_VERSION_0:
                      assertThrows(
                          IllegalStateException.class,
                          () -> kraftVersion.votersRecordVersion()
                      );
                      break;
  
                  case KRAFT_VERSION_1:
                      assertEquals(
                          ControlRecordUtils.KRAFT_VOTERS_CURRENT_VERSION,
                          kraftVersion.votersRecordVersion()
                      );
                      break;
  
                  default:
                      throw new RuntimeException("Unsupported value " + kraftVersion);
              }
          }
      }
  
      @Test
      public void testIsAtLeast() {
          assertTrue(KRaftVersion.KRAFT_VERSION_0.isAtLeast(KRaftVersion.KRAFT_VERSION_0));
          assertFalse(KRaftVersion.KRAFT_VERSION_0.isAtLeast(KRaftVersion.KRAFT_VERSION_1));
          assertTrue(KRaftVersion.KRAFT_VERSION_1.isAtLeast(KRaftVersion.KRAFT_VERSION_0));
          assertTrue(KRaftVersion.KRAFT_VERSION_1.isAtLeast(KRaftVersion.KRAFT_VERSION_1));
      }
  
      @Test
      public void testIsMoreThan() {
          assertFalse(KRaftVersion.KRAFT_VERSION_0.isMoreThan(KRaftVersion.KRAFT_VERSION_0));
          assertFalse(KRaftVersion.KRAFT_VERSION_0.isMoreThan(KRaftVersion.KRAFT_VERSION_1));
          assertTrue(KRaftVersion.KRAFT_VERSION_1.isMoreThan(KRaftVersion.KRAFT_VERSION_0));
          assertFalse(KRaftVersion.KRAFT_VERSION_1.isMoreThan(KRaftVersion.KRAFT_VERSION_1));
      }
  }
  