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.clients.consumer.internals;
  
  import org.apache.kafka.clients.consumer.internals.Utils.TopicPartitionComparator;
  import org.apache.kafka.common.TopicPartition;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class TopicPartitionComparatorTest {
      private static final TopicPartition TP1 = new TopicPartition("t1", 0);
      private static final TopicPartition TP1_COPY = new TopicPartition("t1", 0);
      private static final TopicPartition TP2 = new TopicPartition("t1", 1);
      private static final TopicPartition TP3 = new TopicPartition("t11", 1);
  
      private final TopicPartitionComparator comparator = new TopicPartitionComparator();
  
      @Test
      public void shouldBeEqual() {
          assertEquals(0, comparator.compare(TP1, TP1_COPY));
      }
  
      @Test
      public void shouldBeSmallerSameTopic() {
          assertTrue(comparator.compare(TP1, TP2) < 0);
      }
  
      @Test
      public void shouldBeLargerSameTopic() {
          assertTrue(comparator.compare(TP2, TP1) > 0);
      }
  
      @Test
      public void shouldBeSmallerSamePartitionNumber() {
          assertTrue(comparator.compare(TP1, TP3) < 0);
      }
  
      @Test
      public void shouldBeLargerSamePartitionNumber() {
          assertTrue(comparator.compare(TP3, TP1) > 0);
      }
  
  }
  