/*
    * 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.commons.dbutils.handlers;
  
  import java.sql.SQLException;
  import java.util.List;
  
  import org.apache.commons.dbutils.BaseTestCase;
  import org.apache.commons.dbutils.ResultSetHandler;
  
  /**
   * ColumnListHandlerTest
   */
  public class ColumnListHandlerTest extends BaseTestCase {
  
      public void testColumnIndexHandle() throws SQLException {
          final ResultSetHandler<List<String>> h = new ColumnListHandler<>(2);
          final List<String> results = h.handle(this.rs);
  
          assertNotNull(results);
          assertEquals(ROWS, results.size());
  
          assertEquals("2", results.get(0));
          assertEquals("5", results.get(1));
      }
  
      public void testColumnNameHandle() throws SQLException {
          final ResultSetHandler<List<Integer>> h = new ColumnListHandler<>("intTest");
          final List<Integer> results = h.handle(this.rs);
  
          assertNotNull(results);
          assertEquals(ROWS, results.size());
  
          assertEquals(Integer.valueOf(1), results.get(0));
          assertEquals(Integer.valueOf(3), results.get(1));
      }
  
      public void testEmptyResultSetHandle() throws SQLException {
          final ResultSetHandler<List<String>> h = new ColumnListHandler<>();
          final List<String> results = h.handle(this.emptyResultSet);
  
          assertNotNull(results);
          assertTrue(results.isEmpty());
      }
  
      public void testHandle() throws SQLException {
          final ResultSetHandler<List<String>> h = new ColumnListHandler<>();
          final List<String> results = h.handle(this.rs);
  
          assertNotNull(results);
          assertEquals(ROWS, results.size());
  
          assertEquals("1", results.get(0));
          assertEquals("4", results.get(1));
      }
  
  }