/*
    * 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.csv.issues;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  import java.io.IOException;
  import java.io.StringReader;
  
  import org.apache.commons.csv.CSVFormat;
  import org.apache.commons.csv.CSVParser;
  import org.apache.commons.csv.CSVRecord;
  import org.junit.jupiter.api.Test;
  
  public class JiraCsv149Test {
  
      private static final String CR_LF = "\r\n";
  
      @Test
      public void testJiraCsv149EndWithEOL() throws IOException {
          testJiraCsv149EndWithEolAtEof(true);
      }
  
      private void testJiraCsv149EndWithEolAtEof(final boolean eolAtEof) throws IOException {
          String source = "A,B,C,D" + CR_LF + "a1,b1,c1,d1" + CR_LF + "a2,b2,c2,d2";
          if (eolAtEof) {
              source += CR_LF;
          }
          final StringReader records = new StringReader(source);
          // @formatter:off
          final CSVFormat format = CSVFormat.RFC4180.builder()
              .setHeader()
              .setSkipHeaderRecord(true)
              .setQuote('"')
              .build();
          // @formatter:on
          int lineCounter = 2;
          try (final CSVParser parser = new CSVParser(records, format)) {
              for (final CSVRecord record : parser) {
                  assertNotNull(record);
                  assertEquals(lineCounter++, parser.getCurrentLineNumber());
              }
          }
      }
  
      @Test
      public void testJiraCsv149EndWithoutEOL() throws IOException {
          testJiraCsv149EndWithEolAtEof(false);
      }
  }