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    * Licensed to the Apache Software Foundation (ASF) under one
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    * 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
    *
   *   https://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
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   */
  
  package org.apache.commons.csv.issues;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.io.OutputStreamWriter;
  import java.nio.charset.StandardCharsets;
  import java.util.List;
  
  import org.apache.commons.csv.CSVFormat;
  import org.apache.commons.csv.CSVParser;
  import org.apache.commons.csv.CSVPrinter;
  import org.apache.commons.csv.CSVRecord;
  import org.junit.jupiter.api.Test;
  
  class JiraCsv294Test {
  
      private static void testInternal(final CSVFormat format, final String expectedSubstring) throws IOException {
          final ByteArrayOutputStream bos = new ByteArrayOutputStream();
          try (CSVPrinter printer = new CSVPrinter(new OutputStreamWriter(bos, StandardCharsets.UTF_8), format)) {
              printer.printRecord("a", "b \"\"", "c");
          }
          final byte[] written = bos.toByteArray();
          final String writtenString = new String(written, StandardCharsets.UTF_8);
          assertTrue(writtenString.contains(expectedSubstring));
          try (CSVParser parser = CSVParser.builder().setReader(new InputStreamReader(new ByteArrayInputStream(written), StandardCharsets.UTF_8))
                  .setFormat(format).get()) {
              final List<CSVRecord> records = parser.getRecords();
              assertEquals(1, records.size());
              final CSVRecord record = records.get(0);
              assertEquals("a", record.get(0));
              assertEquals("b \"\"", record.get(1));
              assertEquals("c", record.get(2));
          }
      }
  
      @Test
      void testDefaultCsvFormatWithBackslashEscapeWorks() throws IOException {
          testInternal(CSVFormat.Builder.create().setEscape('\\').get(), ",\"b \\\"\\\"\",");
      }
  
      @Test
      void testDefaultCsvFormatWithNullEscapeWorks() throws IOException {
          testInternal(CSVFormat.Builder.create().setEscape(null).get(), ",\"b \"\"\"\"\",");
      }
  
      @Test
      void testDefaultCsvFormatWithQuoteEscapeWorks() throws IOException {
          // this one doesn't actually work but should behave like setEscape(null)
          // Printer is writing the expected content but Parser is unable to consume it
          testInternal(CSVFormat.Builder.create().setEscape('"').get(), ",\"b \"\"\"\"\",");
      }
  
      @Test
      void testDefaultCsvFormatWorks() throws IOException {
          testInternal(CSVFormat.Builder.create().get(), ",\"b \"\"\"\"\",");
      }
  }