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 com.datastax.oss.driver.internal.core.util;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatThrownBy;
  
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
  import com.tngtech.java.junit.dataprovider.DataProvider;
  import com.tngtech.java.junit.dataprovider.DataProviderRunner;
  import com.tngtech.java.junit.dataprovider.UseDataProvider;
  import java.util.List;
  import java.util.Map;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  @RunWith(DataProviderRunner.class)
  public class CollectionsUtilsTest {
    @Test
    @UseDataProvider("listsProvider")
    public void should_combine_two_lists_by_index(
        List<Integer> firstList, List<Integer> secondList, Map<Integer, Integer> expected) {
  
      // when
      Map<Integer, Integer> result =
          CollectionsUtils.combineListsIntoOrderedMap(firstList, secondList);
  
      // then
      assertThat(result).isEqualTo(expected);
    }
  
    @Test
    public void should_throw_if_lists_have_not_matching_size() {
      // given
      List<Integer> list1 = ImmutableList.of(1);
      List<Integer> list2 = ImmutableList.of(1, 2);
  
      // when
      assertThatThrownBy(() -> CollectionsUtils.combineListsIntoOrderedMap(list1, list2))
          .isInstanceOf(IllegalArgumentException.class)
          .hasMessageMatching("Cannot combine lists with not matching sizes");
    }
  
    @DataProvider
    public static Object[][] listsProvider() {
  
      return new Object[][] {
        {ImmutableList.of(1), ImmutableList.of(1), ImmutableMap.of(1, 1)},
        {ImmutableList.of(1, 10, 5), ImmutableList.of(1, 10, 5), ImmutableMap.of(1, 1, 10, 10, 5, 5)},
        {ImmutableList.of(1, 1), ImmutableList.of(1, 2), ImmutableMap.of(1, 2)}
      };
    }
  }
  