code: /*
   * Copyright 2012-2018 Chronicle Map Contributors
   *
   * Licensed 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 net.openhft.chronicle.map.fromdocs;
  
  import net.openhft.chronicle.map.ChronicleMap;
  import org.junit.Assert;
  import org.junit.Test;
  
  import java.nio.charset.Charset;
  import java.nio.charset.StandardCharsets;
  
  public class CustomCharSequenceEncodingTest {
  
      @Test
      public void customCharSequenceEncodingTest() {
          Charset charset = StandardCharsets.UTF_8;
          int charBufferSize = 4;
          int bytesBufferSize = 8;
          CharSequenceCustomEncodingBytesWriter writer =
                  new CharSequenceCustomEncodingBytesWriter(charset, charBufferSize);
          CharSequenceCustomEncodingBytesReader reader =
                  new CharSequenceCustomEncodingBytesReader(charset, bytesBufferSize);
          try (ChronicleMap<String, CharSequence> map = ChronicleMap
                  .of(String.class, CharSequence.class)
                  .valueMarshallers(reader, writer)
                  .averageKey("Russian")
                  .averageValue("Всем нравится субботний вечерок")
                  .entries(10)
                  .create()) {
              map.put("Russian", "Всем нравится субботний вечерок");
              map.put("", "Quick brown fox jumps over the lazy dog");
          }
      }
  
      @Test
      public void gbkCharSequenceEncodingTest() {
          Charset charset = Charset.forName("GBK");
          int charBufferSize = 100;
          int bytesBufferSize = 200;
          CharSequenceCustomEncodingBytesWriter writer =
                  new CharSequenceCustomEncodingBytesWriter(charset, charBufferSize);
          CharSequenceCustomEncodingBytesReader reader =
                  new CharSequenceCustomEncodingBytesReader(charset, bytesBufferSize);
          try (ChronicleMap<String, CharSequence> englishToChinese = ChronicleMap
                  .of(String.class, CharSequence.class)
                  .valueMarshallers(reader, writer)
                  .averageKey("hello")
                  .averageValue("你好")
                  .entries(10)
                  .create()) {
              englishToChinese.put("hello", "你好");
              englishToChinese.put("bye", "再见");
  
              Assert.assertEquals("你好", englishToChinese.get("hello").toString());
              Assert.assertEquals("再见", englishToChinese.get("bye").toString());
          }
      }
  }
  