content: /*
  * 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.cassandra.io.util;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.junit.After;
  import org.junit.BeforeClass;
  
  import org.junit.Assert;
  import org.apache.cassandra.config.DatabaseDescriptor;
  
  public class ChecksummedSequentialWriterTest extends SequentialWriterTest
  {
  
      private final List<TestableCSW> writers = new ArrayList<>();
  
      @BeforeClass
      public static void setupDD()
      {
          DatabaseDescriptor.daemonInitialization();
      }
  
      @After
      public void cleanup()
      {
          for (TestableSW sw : writers)
              sw.file.tryDelete();
          writers.clear();
      }
  
      protected TestableTransaction newTest() throws IOException
      {
          TestableCSW sw = new TestableCSW();
          writers.add(sw);
          return sw;
      }
  
      private static class TestableCSW extends TestableSW
      {
          final File crcFile;
  
          private TestableCSW() throws IOException
          {
              this(tempFile("compressedsequentialwriter"),
                   tempFile("compressedsequentialwriter.checksum"));
          }
  
          private TestableCSW(File file, File crcFile) throws IOException
          {
              this(file, crcFile, new ChecksummedSequentialWriter(file, crcFile, null, SequentialWriterOption.newBuilder()
                                                                                                             .bufferSize(BUFFER_SIZE)
                                                                                                             .build()));
          }
  
          private TestableCSW(File file, File crcFile, SequentialWriter sw) throws IOException
          {
              super(file, sw);
              this.crcFile = crcFile;
          }
  
          protected void assertInProgress() throws Exception
          {
              super.assertInProgress();
              Assert.assertTrue(crcFile.exists());
              Assert.assertEquals(0, crcFile.length());
          }
  
          protected void assertPrepared() throws Exception
          {
              super.assertPrepared();
              Assert.assertTrue(crcFile.exists());
              Assert.assertFalse(0 == crcFile.length());
          }
  
          protected void assertAborted() throws Exception
          {
              super.assertAborted();
          }
      }
  
  }
  