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.utils.concurrent;
  
  import org.junit.BeforeClass;
  import org.junit.Ignore;
  import org.junit.Test;
  
  import org.junit.Assert;
  
  import org.apache.cassandra.ServerTestUtils;
  import org.apache.cassandra.db.commitlog.CommitLog;
  
  @Ignore
  public abstract class AbstractTransactionalTest
  {
      @BeforeClass
      public static void setupDD()
      {
          ServerTestUtils.prepareServerNoRegister();
          CommitLog.instance.start();
      }
  
      protected abstract TestableTransaction newTest() throws Exception;
  
      @Test
      public void testNoPrepare() throws Exception
      {
          TestableTransaction txn;
  
          txn = newTest();
          txn.assertInProgress();
          txn.testing.close();
          txn.assertAborted();
  
          txn = newTest();
          txn.assertInProgress();
          Assert.assertNull(txn.testing.abort(null));
          txn.assertAborted();
      }
  
      @Test
      public void testPrepare() throws Exception
      {
          TestableTransaction txn;
          txn = newTest();
          txn.assertInProgress();
          txn.testing.prepareToCommit();
          txn.assertPrepared();
          txn.testing.close();
          txn.assertAborted();
  
          txn = newTest();
          txn.assertInProgress();
          txn.testing.prepareToCommit();
          txn.assertPrepared();
          Assert.assertNull(txn.testing.abort(null));
          txn.assertAborted();
      }
  
      @Test
      public void testCommit() throws Exception
      {
          TestableTransaction txn = newTest();
          txn.assertInProgress();
          txn.testing.prepareToCommit();
          txn.assertPrepared();
          Assert.assertNull(txn.testing.commit(null));
          txn.assertCommitted();
          txn.testing.close();
          txn.assertCommitted();
          Throwable t = txn.testing.abort(null);
          Assert.assertTrue(t instanceof IllegalStateException);
          txn.assertCommitted();
      }
  
      @Test
      public void testThrowableReturn() throws Exception
      {
          TestableTransaction txn;
          txn = newTest();
          Throwable t = new RuntimeException();
          txn.testing.prepareToCommit();
  
          if (txn.commitCanThrow())
          {
              try
              {
                  txn.testing.commit(t);
              }
              catch (Throwable tt)
              {
                  Assert.assertEquals(t, tt);
              }
  
              Assert.assertEquals(t, txn.testing.abort(t));
              Assert.assertEquals(0, t.getSuppressed().length);
          }
          else
          {
              Assert.assertEquals(t, txn.testing.commit(t));
              Assert.assertEquals(t, txn.testing.abort(t));
              Assert.assertTrue(t.getSuppressed()[0] instanceof IllegalStateException);
          }
  
  
      }
  
      @Test
      public void testBadCommit() throws Exception
      {
          TestableTransaction txn;
          txn = newTest();
          try
          {
              txn.testing.commit(null);
              Assert.assertTrue(false);
          }
          catch (IllegalStateException t)
          {
          }
          txn.assertInProgress();
          Assert.assertNull(txn.testing.abort(null));
          txn.assertAborted();
          try
          {
              txn.testing.commit(null);
              Assert.assertTrue(false);
          }
          catch (IllegalStateException t)
          {
          }
          txn.assertAborted();
      }
  
  
      public static abstract class TestableTransaction
      {
          final Transactional testing;
          public TestableTransaction(Transactional transactional)
          {
              this.testing = transactional;
          }
  
          protected abstract void assertInProgress() throws Exception;
          protected abstract void assertPrepared() throws Exception;
          protected abstract void assertAborted() throws Exception;
          protected abstract void assertCommitted() throws Exception;
  
          protected boolean commitCanThrow()
          {
              return false;
          }
      }
  }
  