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.admin;
  
  import org.apache.kafka.common.KafkaFuture;
  import org.apache.kafka.common.Uuid;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  import java.util.Collections;
  
  public class DescribeTopicsResultTest {
  
      @Test
      public void testNullAllTopicNames() {
          DescribeTopicsResult result = DescribeTopicsResult.ofTopicIds(Collections.singletonMap(
                  Uuid.randomUuid(), KafkaFuture.completedFuture(
                          new TopicDescription("foo", false, Collections.emptyList()))));
  
          Assertions.assertNull(result.allTopicNames());
      }
  
      @Test
      public void testNullAllTopicIds() {
          DescribeTopicsResult result = DescribeTopicsResult.ofTopicNames(Collections.singletonMap(
                  "foo", KafkaFuture.completedFuture(
                          new TopicDescription("foo", false, Collections.emptyList()))));
  
          Assertions.assertNull(result.allTopicIds());
      }
  }
  