content: /*
   * Copyright 2013-2025 Real Logic Limited.
   *
   * 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
   *
   * 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 specific language governing permissions and
   * limitations under the License.
   */
  package uk.co.real_logic.sbe.generation.java;
  
  import baseline.CarDecoder;
  import baseline.MessageHeaderDecoder;
  import org.agrona.concurrent.UnsafeBuffer;
  import org.junit.jupiter.api.Test;
  import uk.co.real_logic.sbe.EncodedCarTestBase;
  
  import java.nio.ByteBuffer;
  import java.util.ArrayList;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  
  class RewindTest extends EncodedCarTestBase
  {
      private static final int MSG_BUFFER_CAPACITY = 4 * 1024;
  
      @Test
      void shouldRewindAfterReadingFullMessage()
      {
          final ByteBuffer encodedMsgBuffer = ByteBuffer.allocate(MSG_BUFFER_CAPACITY);
          encodeTestMessage(encodedMsgBuffer);
  
          final MessageHeaderDecoder header = new MessageHeaderDecoder();
          final CarDecoder carDecoder = new CarDecoder();
          carDecoder.wrapAndApplyHeader(new UnsafeBuffer(encodedMsgBuffer), 0, header);
  
          final ArrayList<Object> passOne = CarDecodeTestUtil.getValues(carDecoder);
          carDecoder.sbeRewind();
          final ArrayList<Object> passTwo = CarDecodeTestUtil.getValues(carDecoder);
          assertEquals(passOne, passTwo);
  
          carDecoder.sbeRewind();
          final ArrayList<Object> partialPassOne = CarDecodeTestUtil.getPartialValues(carDecoder);
          carDecoder.sbeRewind();
          final ArrayList<Object> partialPassTwo = CarDecodeTestUtil.getPartialValues(carDecoder);
          assertNotEquals(passOne, partialPassOne);
          assertEquals(partialPassOne, partialPassTwo);
  
          carDecoder.sbeRewind();
          final ArrayList<Object> passThree = CarDecodeTestUtil.getValues(carDecoder);
          assertEquals(passOne, passThree);
      }
  }
  