content: /*
   * Copyright 2014-2025 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 org.agrona.concurrent.status;
  
  import org.agrona.concurrent.UnsafeBuffer;
  import org.junit.jupiter.api.Test;
  
  import static java.nio.ByteBuffer.allocateDirect;
  import static org.agrona.concurrent.status.CountersReader.COUNTER_LENGTH;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  class UnsafeBufferStatusIndicatorTest
  {
      @Test
      void canWrapDifferentKindsOfBuffers()
      {
          final long value = Long.MIN_VALUE;
          final int counterId = 2;
          final UnsafeBuffer buffer = new UnsafeBuffer(allocateDirect(5 * COUNTER_LENGTH));
          final UnsafeBufferStatusIndicator unsafeBufferStatusIndicator =
              new UnsafeBufferStatusIndicator(buffer, counterId);
  
          unsafeBufferStatusIndicator.setVolatile(value);
          assertEquals(value, unsafeBufferStatusIndicator.getVolatile());
      }
  
      @Test
      public void testVolatile()
      {
          final int counterId = 2;
          final UnsafeBuffer buffer = new UnsafeBuffer(allocateDirect(5 * COUNTER_LENGTH));
          final UnsafeBufferStatusIndicator statusIndicator = new UnsafeBufferStatusIndicator(buffer, counterId);
          assertEquals(0, statusIndicator.getVolatile());
          statusIndicator.setVolatile(10);
          assertEquals(10, statusIndicator.getVolatile());
      }
  
      @Test
      public void testReleaseAcquire()
      {
          final int counterId = 2;
          final UnsafeBuffer buffer = new UnsafeBuffer(allocateDirect(5 * COUNTER_LENGTH));
          final UnsafeBufferStatusIndicator statusIndicator = new UnsafeBufferStatusIndicator(buffer, counterId);
          assertEquals(0, statusIndicator.getAcquire());
          statusIndicator.setRelease(10);
          assertEquals(10, statusIndicator.getAcquire());
      }
  
      @Test
      public void testOpaque()
      {
          final int counterId = 2;
          final UnsafeBuffer buffer = new UnsafeBuffer(allocateDirect(5 * COUNTER_LENGTH));
          final UnsafeBufferStatusIndicator statusIndicator = new UnsafeBufferStatusIndicator(buffer, counterId);
          assertEquals(0, statusIndicator.getOpaque());
          statusIndicator.setOpaque(10);
          assertEquals(10, statusIndicator.getOpaque());
      }
  }
  