System.Data.SQLite
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Overview
Comment:Improvements to threading test.
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SHA1: 3e3ebf10da7194d856efb1218820761e3c7c37e6
User & Date: mistachkin 2012-10-26 18:16:11
Context
2012-10-26
20:37
Add the ability for the test suite to track counts of CriticalHandle derived object instances. Also, slightly simplify test for ticket [6c6ecccc5f]. check-in: 09c5128542 user: mistachkin tags: trunk
18:16
Improvements to threading test. check-in: 3e3ebf10da user: mistachkin tags: trunk
00:57
Update SQLite core library to the latest trunk. Fix for ticket [6c6ecccc5f]. check-in: e702fa192f user: mistachkin tags: trunk
Changes
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Changes to Tests/thread.eagle. 

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checkForSQLiteDirectories $test_channel true
set memory_used [reportSQLiteResources $test_channel true]

###############################################################################

#
# NOTE: How many test threads should be created and used for these tests?  This
#       value must be at least two.  The first test thread (at index 0) just
#       repeatedly calls the Thread.Abort() method on the other test threads
#       that appear to be alive until all test threads appear to be dead.  All
#       other threads will attempt to open a connection, execute one or more
#       queries against it, and then close it.

#

set count 10


























###############################################################################

runTest {test thread-1.1 {Thread.Abort() impact on native resources} -setup {
  setupDb [set fileName thread-1.1.db]

  tputs $test_channel [appendArgs \
      "---- using a total of " $count " threads...\n"]









} -body {
  sql execute $db {
    CREATE TABLE t1(x INTEGER PRIMARY KEY, y BLOB);
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(1000));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(1000));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(1000));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(1000));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(1000));
  }

  #
  # NOTE: The temporary directory must be reset here because it allocates
  #       some SQLite memory and this test requires an extremely accurate
  #       reading.
  #
  sql execute $db {
................................................................................
    using System.Threading;
    using Eagle._Containers.Public;

    namespace _Dynamic${id}
    {
      public static class Test${id}
      {
        public static IntList RunTestThreads()
        {
          //
          // NOTE: This is the total number of data bytes seen in the second
          //       column of the query result rows seen by all test threads.
          //       This value will vary greatly based upon how many loop
          //       iterations are performed prior to each test thread being
          //       aborted.
          //
          int sum = 0;

          //
          // NOTE: This is the total number of query result rows seen by all
          //       the test threads.
          //
          int rows = 0;

          //
          // NOTE: This is the total number of exceptions caught by all the
          //       test threads.
          //
          int errors = 0;

          //
          // NOTE: This is the total number of test threads to create.
          //
          int count = ${count};

          //
          // NOTE: Create the array of thread objects.
          //
          Thread\[\] thread = new Thread\[count\];

          //
................................................................................
                goEvent.WaitOne();

                //
                // NOTE: Give the other test threads a slight head start to
                //       make sure that they are fully alive prior to trying
                //       to abort any of them.
                //
                Thread.Sleep(1000);

                //
                // NOTE: Loop forever until all test threads appear to be dead.
                //
                while (true)
                {
                  //
                  // NOTE: Wait a random number of milliseconds, up to a full
                  //       second.
                  //
                  Thread.Sleep(random.Next(0, 1000));

                  //
                  // NOTE: Select a random thread to abort.
                  //
                  int index = random.Next(1, count);

                  //
................................................................................
          }

          //
          // NOTE: Return a list of integers with total number of data bytes
          //       seen, total number of query result rows seen, and the total
          //       number of exceptions caught by all the test threads.
          //
          IntList counts = new IntList();

          counts.Add(sum);
          counts.Add(rows);
          counts.Add(errors);

          return counts;
        }
................................................................................
      [reportSQLiteResources $test_channel true]
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result results errors code sql dataSource id db fileName
} -time true -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
System.Data.SQLite} -match regexp -result [appendArgs "^Ok\
System#CodeDom#Compiler#CompilerResults#\\d+ \\{\\} 0 \\{\\d+ \\d+ " $count \
"\\} \\{\\} " $memory_used \$]}

###############################################################################

unset -nocomplain count

###############################################################################








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checkForSQLiteDirectories $test_channel true
set memory_used [reportSQLiteResources $test_channel true]

###############################################################################

#
# NOTE: How many test threads should be created and used for these tests?  This
#       value must be at least two.  The first test thread (at index 0) is
#       always the "master thread" and just repeatedly calls the Thread.Abort()
#       method on other random test threads that appear to be alive until all
#       test threads appear to have died.  All other test threads will attempt
#       to open a connection, execute one or more queries against it, and then
#       close it.
#
if {![info exists count(1)]} then {
  set count(1) 10
}

#
# NOTE: How many milliseconds should the master thread initially wait until it
#       starts to abort the other test threads?
#
if {![info exists count(2)]} then {
  set count(2) 1000
}

#
# NOTE: How many milliseconds (maximum) should the master thread wait between
#       aborting other random test threads?
#
if {![info exists count(3)]} then {
  set count(3) 1000
}

#
# NOTE: How many bytes should be used for the five random data blobs contained
#       in the test database?
#
if {![info exists count(4)]} then {
  set count(4) 1000
}

###############################################################################

runTest {test thread-1.1 {Thread.Abort() impact on native resources} -setup {
  setupDb [set fileName thread-1.1.db]

  tputs $test_channel [appendArgs \
      "---- using " $count(1) " test threads (with one master thread)\n"]

  tputs $test_channel [appendArgs \
      "---- initial wait will be " $count(2) " milliseconds\n"]

  tputs $test_channel [appendArgs \
      "---- subsequent maximum wait will be " $count(3) " milliseconds\n"]

  tputs $test_channel [appendArgs \
      "---- random data blob size will be " $count(4) " bytes\n"]
} -body {
  sql execute $db [subst {
    CREATE TABLE t1(x INTEGER PRIMARY KEY, y BLOB);
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(${count(4)}));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(${count(4)}));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(${count(4)}));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(${count(4)}));
    INSERT INTO t1 (y) VALUES(RANDOMBLOB(${count(4)}));
  }]

  #
  # NOTE: The temporary directory must be reset here because it allocates
  #       some SQLite memory and this test requires an extremely accurate
  #       reading.
  #
  sql execute $db {
................................................................................
    using System.Threading;
    using Eagle._Containers.Public;

    namespace _Dynamic${id}
    {
      public static class Test${id}
      {
        public static LongList RunTestThreads()
        {
          //
          // NOTE: This is the total number of data bytes seen in the second
          //       column of the query result rows seen by all test threads.
          //       This value will vary greatly based upon how many loop
          //       iterations are performed prior to each test thread being
          //       aborted.
          //
          long sum = 0;

          //
          // NOTE: This is the total number of query result rows seen by all
          //       the test threads.
          //
          long rows = 0;

          //
          // NOTE: This is the total number of exceptions caught by all the
          //       test threads.
          //
          long errors = 0;

          //
          // NOTE: This is the total number of test threads to create.
          //
          int count = ${count(1)};

          //
          // NOTE: Create the array of thread objects.
          //
          Thread\[\] thread = new Thread\[count\];

          //
................................................................................
                goEvent.WaitOne();

                //
                // NOTE: Give the other test threads a slight head start to
                //       make sure that they are fully alive prior to trying
                //       to abort any of them.
                //
                Thread.Sleep(${count(2)});

                //
                // NOTE: Loop forever until all test threads appear to be dead.
                //
                while (true)
                {
                  //
                  // NOTE: Wait a random number of milliseconds, up to a full
                  //       second.
                  //
                  Thread.Sleep(random.Next(0, ${count(3)}));

                  //
                  // NOTE: Select a random thread to abort.
                  //
                  int index = random.Next(1, count);

                  //
................................................................................
          }

          //
          // NOTE: Return a list of integers with total number of data bytes
          //       seen, total number of query result rows seen, and the total
          //       number of exceptions caught by all the test threads.
          //
          LongList counts = new LongList();

          counts.Add(sum);
          counts.Add(rows);
          counts.Add(errors);

          return counts;
        }
................................................................................
      [reportSQLiteResources $test_channel true]
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain result results errors code sql dataSource id db fileName
} -time true -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
System.Data.SQLite} -match regexp -result [appendArgs "^Ok\
System#CodeDom#Compiler#CompilerResults#\\d+ \\{\\} 0 \\{\\d+ \\d+ " $count(1) \
"\\} \\{\\} " $memory_used \$]}

###############################################################################

unset -nocomplain count

###############################################################################

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