System.Data.SQLite
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Artifact 0e8a762fcaecdcfa606bb43d5dd3b0a25e3671d4:


###############################################################################
#
# tkt-5cee5409f8.eagle --
#
# Written by Joe Mistachkin.
# Released to the public domain, use at your own risk!
#
###############################################################################

package require Eagle
package require Eagle.Library
package require Eagle.Test

runTestPrologue

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package require System.Data.SQLite.Test
runSQLiteTestPrologue

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runTest {test tkt-5cee5409f8-1.1 {asynchronous transaction handling} -setup {
  setupDb [set fileName tkt-5cee5409f8-1.1.db]
} -body {
  sql execute $db "CREATE TABLE t1(x INTEGER);"

  set id [object invoke Interpreter.GetActive NextId]
  set dataSource [file join [getDatabaseDirectory] $fileName]

  unset -nocomplain results errors

  set code [compileCSharpWith [subst {
    using System;
    using System.Data.SQLite;
    using System.Threading;
    using System.Transactions;

    namespace _Dynamic${id}
    {
      public static class Test${id}
      {
        #region Private EnlistmentNotification Class
        private sealed class EnlistmentNotification : IEnlistmentNotification
        {
          #region Private Data
          private bool forceRollback;
          #endregion

          /////////////////////////////////////////////////////////////////////

          #region Private Constructors
          private EnlistmentNotification(bool forceRollback)
          {
            this.forceRollback = forceRollback;
          }
          #endregion

          /////////////////////////////////////////////////////////////////////

          #region IEnlistmentNotification Members
          public void Commit(Enlistment enlistment)
          {
            enlistment.Done();
          }

          /////////////////////////////////////////////////////////////////////

          public void InDoubt(Enlistment enlistment)
          {
            enlistment.Done();
          }

          /////////////////////////////////////////////////////////////////////

          public void Prepare(PreparingEnlistment preparingEnlistment)
          {
            if (forceRollback)
              preparingEnlistment.ForceRollback();
            else
              preparingEnlistment.Prepared();
          }

          /////////////////////////////////////////////////////////////////////

          public void Rollback(Enlistment enlistment)
          {
            enlistment.Done();
          }
          #endregion

          /////////////////////////////////////////////////////////////////////

          #region Public Static Methods
          public static void UseDistributedTransaction(bool forceRollback)
          {
            Transaction.Current.EnlistDurable(
                Guid.NewGuid(), new EnlistmentNotification(forceRollback),
                EnlistmentOptions.None);
          }
          #endregion
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Private Static Data
        private static int resetCount;
        private static int timeoutCount;
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Private Static Methods
        private static void DoTransactions(SQLiteConnection connection)
        {
          Random random = new Random();

          for (int iteration = 0; iteration < 10000; iteration++)
          {
            using (TransactionScope transactionScope = new TransactionScope())
            {
              EnlistmentNotification.UseDistributedTransaction(false);

              TransactionInformation transactionInformation =
                  Transaction.Current.TransactionInformation;

              if (transactionInformation.DistributedIdentifier.Equals(
                  Guid.Empty))
              {
                throw new Exception("distributed identifier is empty");
              }

              connection.EnlistTransaction(Transaction.Current);

              using (SQLiteCommand command = connection.CreateCommand())
              {
                command.CommandText = "INSERT INTO t1(x) VALUES(?);";
                command.Parameters.Add(new SQLiteParameter("", iteration));
                command.ExecuteNonQuery();
              }

              transactionScope.Complete();
            }

            Thread.Sleep(random.Next(10));
          }
        }

        ///////////////////////////////////////////////////////////////////////

        private static void WaitOnEnlistments(object state)
        {
          SQLiteConnection connection = (SQLiteConnection)state;
          Random random = new Random();

          for (int iteration = 0; iteration < 1000; iteration++)
          {
            if (connection.WaitForEnlistmentReset(1))
              Interlocked.Increment(ref resetCount);
            else
              Interlocked.Increment(ref timeoutCount);

            Thread.Sleep(random.Next(100));
          }
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Public Static Methods
        public static string DoTest()
        {
          using (SQLiteConnection connection = new SQLiteConnection(
              "Data Source=${dataSource};[getTestProperties]"))
          {
            ThreadPool.QueueUserWorkItem(WaitOnEnlistments, connection);

            connection.Open();

            DoTransactions(connection);
          }

          int count1 = Interlocked.CompareExchange(ref resetCount, 0, 0);
          int count2 = Interlocked.CompareExchange(ref timeoutCount, 0, 0);

          return String.Format("{0}, {1}", count1, count2);
        }

        ///////////////////////////////////////////////////////////////////////

        public static void Main()
        {
          // do nothing.
        }
        #endregion
      }
    }
  }] true true true results errors System.Data.SQLite.dll]

  list $code $results \
      [expr {[info exists errors] ? $errors : ""}] \
      [expr {$code eq "Ok" ? [catch {
        object invoke _Dynamic${id}.Test${id} DoTest
      } result] : [set result ""]}] \
      [expr {[lindex $result 0] > 0}] \
      [expr {[lindex $result 1] > 0}]
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result results errors code dataSource id db fileName
} -constraints {eagle command.object monoBug211 monoBug54 command.sql\
compile.DATA SQLite System.Data.SQLite compileCSharp} -match regexp -result \
{^Ok System#CodeDom#Compiler#CompilerResults#\d+ \{\} 0 True True$}}

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runSQLiteTestEpilogue
runTestEpilogue