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Overview
Comment:Make the stress test failure handling more flexible, add more comments, and improve readability.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
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SHA1: 742684b09c533982a17f72588ab411ed29c967b2
User & Date: mistachkin 2012-10-13 20:28:15
Context
2012-10-13
22:38
Revise handling of errors in the stress test. check-in: a81eb9b135 user: mistachkin tags: trunk
20:28
Make the stress test failure handling more flexible, add more comments, and improve readability. check-in: 742684b09c user: mistachkin tags: trunk
20:26
In the SQLiteDataReader, try to stop processing query results if the underlying connection is closed. check-in: 441fd3e40b user: mistachkin tags: trunk
Changes
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shutdownSQLite $test_channel

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

runTest {test stress-1.1 {multithreaded stress testing} -setup {
  unset -nocomplain result thread index workload noWorkload srcDb db \
      fileName compiled options count times logFileName logListener \
      connection indicators iterations

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

  proc expectedError { error } {
    return [expr {[regexp -- {\sno such table: t1\s} $error] || \
        [regexp -- {\sdatabase is locked\s} $error]}]
  }

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

  proc showTest { indicator } {
................................................................................

  proc failTest { error } {
    set level [expr {[info level] - 1}]

    tputs $::test_channel [appendArgs \
        \n [info level $level] ": " $error \n]





    exit Failure; # halt all testing now.



  }

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

  proc setupLogging { fileName } {
    if {![info exists ::logListener]} then {
      set ::logListener [object create -alias \
................................................................................
  #       main test log file and then deleted.
  #
  set logFileName [appendArgs $test_log .trace]
  setupLogging $logFileName

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

  set count(0) 1

  set count(1) 100




  set count(2) 200
  set count(3) 2000
  set count(4) 10000000
  set noWorkload [list]









  if {[info exists argv] && [llength $argv] > 0} then {
    parse options -flags \
        {-StopOnUnknownOption +IgnoreOnUnknownOption SkipOnUnknownOption} -- \
        [list [list null MustHaveIntegerValue -1 -1 -count0 $count(0)] \
        [list null MustHaveIntegerValue -1 -1 -count1 $count(1)] \
        [list null MustHaveIntegerValue -1 -1 -count2 $count(2)] \
        [list null MustHaveIntegerValue -1 -1 -count3 $count(3)] \
        [list null MustHaveIntegerValue -1 -1 -count4 $count(4)] \
        [list null MustHaveListValue -1 -1 -noWorkload $noWorkload]] $argv


    set count(0) $options(-count0,value)
    set count(1) $options(-count1,value)
    set count(2) $options(-count2,value)
    set count(3) $options(-count3,value)
    set count(4) $options(-count4,value)
    set noWorkload $options(-noWorkload,value)

  }

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

  tputs $test_channel [appendArgs \
      "---- workloads will repeat " $count(0) " time(s)...\n"]

................................................................................
      "---- workload \"big\" chunk size is " $count(4) " byte(s)...\n"]

  if {[llength $noWorkload] > 0} then {
    tputs $test_channel [appendArgs \
        "---- workloads to be skipped... " $noWorkload \n]
  }





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










  set compiled(12) ""
  set compiled(13) ""

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

  #
  # NOTE: This is an in-memory database with shared cache enabled.
................................................................................
  #############################################################################

  setupDb $fileName(1) "" "" "" "" "" false false true true srcDb
  setupDb $fileName(2)

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






  set connection [getDbConnection]

  $connection LogMessage Ok [appendArgs \
      "starting stress test using database \"" $fileName(2) "\"..."]



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

  set workload(1) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #1, CREATE TABLE statements.
    #
................................................................................
      for {set index 2} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs \
              "CREATE TABLE IF NOT EXISTS t" \
              $index "(x PRIMARY KEY, y, z);"]
          showTest A
        } error]} then {
          if {[expectedError $error]} then {
            showTest a
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(2) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #2, DROP TABLE statements.
    #
................................................................................
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 2} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs \
              "DROP TABLE IF EXISTS t" $index \;]
          showTest B
        } error]} then {
          if {[expectedError $error]} then {
            showTest b
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(3) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #3, "small" SELECT statements.
    #
................................................................................
            #
            # NOTE: Do nothing.
            #
          }
          unset -nocomplain reader
          showTest C
        } error]} then {
          if {[expectedError $error]} then {
            showTest c
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(4) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #4, "big" SELECT statements.
    #
................................................................................
            #
            # NOTE: Do nothing.
            #
          }
          unset -nocomplain reader
          showTest D
        } error]} then {
          if {[expectedError $error]} then {
            showTest d
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(5) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #5, "small" INSERT statements.
    #
................................................................................
          sql execute $db [appendArgs \
              "INSERT INTO " $table "(x, y, z) VALUES('" \
              [format %lX [expr {random()}]] "', '" \
              [base64 encode -- [expr {randstr($count2)}]] \
              "', 'small');"]
          showTest E
        } error]} then {
          if {[expectedError $error]} then {
            showTest e
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(6) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #6, "big" INSERT statements.
    #
................................................................................
        if {[catch {
          sql execute $db [appendArgs \
              "INSERT INTO " $table "(x, y, z) VALUES('" \
              [format %lX [expr {random()}]] \
              "', RANDOMBLOB(" $count3 "), 'big');"]
          showTest F
        } error]} then {
          if {[expectedError $error]} then {
            showTest f
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(7) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #7, "small" UPDATE statements.
    #
................................................................................
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs "UPDATE " $table \
              " SET y = '" [base64 encode -- [expr {randstr($count2)}]] \
              "' WHERE x LIKE '" [format %X $index] "%' AND z = 'small';"]
          showTest G
        } error]} then {
          if {[expectedError $error]} then {
            showTest g
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(8) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #8, "big" UPDATE statements.
    #
................................................................................
        if {[catch {
          sql execute $db [appendArgs "UPDATE " $table \
              " SET y = RANDOMBLOB(" $count3 \
              ") WHERE x LIKE '" [format %X $index] \
              "%' AND z = 'big';"]
          showTest H
        } error]} then {
          if {[expectedError $error]} then {
            showTest h
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(9) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #9, "small" DELETE statements.
    #
................................................................................
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs "DELETE FROM " $table \
              " WHERE x LIKE '" [format %X $index] "%' AND z = 'small';"]
          showTest I
        } error]} then {
          if {[expectedError $error]} then {
            showTest i
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(10) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #10, "big" DELETE statements.
    #
................................................................................
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs "DELETE FROM " $table \
              " WHERE x LIKE '" [format %X $index] "%' AND z = 'big';"]
          showTest J
        } error]} then {
          if {[expectedError $error]} then {
            showTest j
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(11) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #11, VACUUM statement.
    #
................................................................................
    lappend ::times(11) [lindex [time {
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db "VACUUM;"
          showTest K
        } error]} then {
          if {[expectedError $error]} then {
            showTest k
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(12) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #12, backup to in-memory database.
    #
................................................................................
      for {set index 1} {$index <= $count1} {incr index} {
        if {[string is integer -strict $::compiled(12)]} then {
          set id $::compiled(12); # NOTE: Already compiled.
          if {[catch {
            object invoke _Dynamic${id}.Test${id} BackupAndGetData
            showTest L
          } error]} then {
            if {[expectedError $error]} then {
              showTest l
            } else {
              failTest $error
            }
          }
        } else {
          set id [object invoke Interpreter.GetActive NextId]
................................................................................
          }] true true true results errors System.Data.SQLite.dll]
          if {$code eq "Ok"} then {
            set ::compiled(12) $id; # NOTE: Compiled OK.
            if {[catch {
              object invoke _Dynamic${id}.Test${id} BackupAndGetData
              showTest L
            } error]} then {
              if {[expectedError $error]} then {
                showTest l
              } else {
                failTest $error
              }
            }
          } else {
            error $errors
          }
        }
      }
    }] 0]
  }]



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

  set workload(13) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #13, backup from an in-memory database.
    #
................................................................................
      for {set index 1} {$index <= $count1} {incr index} {
        if {[string is integer -strict $::compiled(13)]} then {
          set id $::compiled(13); # NOTE: Already compiled.
          if {[catch {
            object invoke _Dynamic${id}.Test${id} BackupAndGetData
            showTest M
          } error]} then {
            if {[expectedError $error]} then {
              showTest m
            } else {
              failTest $error
            }
          }
        } else {
          set id [object invoke Interpreter.GetActive NextId]
................................................................................
          }] true true true results errors System.Data.SQLite.dll]
          if {$code eq "Ok"} then {
            set ::compiled(13) $id; # NOTE: Compiled OK.
            if {[catch {
              object invoke _Dynamic${id}.Test${id} BackupAndGetData
              showTest M
            } error]} then {
              if {[expectedError $error]} then {
                showTest m
              } else {
                failTest $error
              }
            }
          } else {
            error $errors
          }
        }
      }
    }] 0]
  }]



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

  set workload(14) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #14, PRAGMA integrity check statement.
    #
................................................................................
              "PRAGMA integrity_check;"]
          if {$result eq "ok"} then {
            showTest N
          } else {
            error [appendArgs "integrity check failed: " $result]
          }
        } error]} then {
          if {[expectedError $error]} then {
            showTest n
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]



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

  set workload(15) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #15, force managed garbage collection
    #
    lappend ::times(15) [lindex [time {
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          collectGarbage $::test_channel
          showTest O
        } error]} then {
          if {[expectedError $error]} then {
            showTest o
          } else {
            failTest $error
          }
        }
      }
    }] 0]
  }]
} -body {




  for {set index(0) 0} {$index(0) < $count(0)} {incr index(0)} {
    sql execute $db "CREATE TABLE IF NOT EXISTS t1(x PRIMARY KEY, y, z);"

    unset -nocomplain thread

    foreach index(1) [lsort -integer [array names workload]] {
      if {[lsearch -exact $noWorkload $index(1)] == -1} then {
................................................................................
  set result [sql execute -execute scalar $db "PRAGMA integrity_check;"]

  if {$result eq "ok"} then {
    tputs $test_channel "---- integrity check ok (db)\n"
  } else {
    error [appendArgs "integrity check failed (db): " $result]
  }








} -cleanup {
  rename failTest ""
  rename showTest ""
  rename expectedError ""

  cleanupDb $fileName(2)
  cleanupDb $fileName(1) srcDb

  foreach index(0) [array names workload] {
    catch {
      object removecallback [list apply $workload($index(0)) $fileName(1) \
................................................................................
  cleanupLogging $logFileName

  rename cleanupLogging ""
  rename setupLogging ""

  unset -nocomplain result thread index workload noWorkload srcDb db \
      fileName compiled options count times logFileName logListener \
      connection indicators iterations
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -result {}}


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

runSQLiteTestEpilogue
runTestEpilogue







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shutdownSQLite $test_channel

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

runTest {test stress-1.1 {multithreaded stress testing} -setup {
  unset -nocomplain result thread index workload noWorkload srcDb db \
      fileName compiled options count times logFileName logListener \
      connection indicators iterations exitOnFail failures

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

  proc isExpectedError { error } {
    return [expr {[regexp -- {\sno such table: t1\s} $error] || \
        [regexp -- {\sdatabase is locked\s} $error]}]
  }

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

  proc showTest { indicator } {
................................................................................

  proc failTest { error } {
    set level [expr {[info level] - 1}]

    tputs $::test_channel [appendArgs \
        \n [info level $level] ": " $error \n]

    #
    # NOTE: Halt all testing now -OR- just record the failure and continue?
    #
    if {$::exitOnFail} then {
      exit Failure
    } else {
      incr ::failures
    }
  }

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

  proc setupLogging { fileName } {
    if {![info exists ::logListener]} then {
      set ::logListener [object create -alias \
................................................................................
  #       main test log file and then deleted.
  #
  set logFileName [appendArgs $test_log .trace]
  setupLogging $logFileName

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


  #
  # NOTE: Setup the default values for the tunable workload parameters.  Any,
  #       all, or none of these may be overriden via the command line.
  #
  set count(0) 1;        # Workload repeat count (i.e. total full runs).
  set count(1) 20;       # Workload iteration count (i.e. within a run).
  set count(2) 200;      # Workload iteration delay, in milliseconds.
  set count(3) 2000;     # Workload "small" data chunk size, in bytes.
  set count(4) 10000000; # Workload "big" data chunk size, in bytes.
  set noWorkload [list]; # Workloads to be omitted from the run, by index.
  set exitOnFail true;   # Halt testing and exit process on test failure?

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

  #
  # NOTE: If command line arguments to the test suite are available, process
  #       them for any options that are applicable to this test (i.e. any of
  #       the tunable workload parameters listed above).
  #
  if {[info exists argv] && [llength $argv] > 0} then {
    parse options -flags \
        {-StopOnUnknownOption +IgnoreOnUnknownOption SkipOnUnknownOption} -- \
        [list [list null MustHaveIntegerValue -1 -1 -count0 $count(0)] \
        [list null MustHaveIntegerValue -1 -1 -count1 $count(1)] \
        [list null MustHaveIntegerValue -1 -1 -count2 $count(2)] \
        [list null MustHaveIntegerValue -1 -1 -count3 $count(3)] \
        [list null MustHaveIntegerValue -1 -1 -count4 $count(4)] \
        [list null MustHaveListValue -1 -1 -noWorkload $noWorkload] \
        [list null MustHaveBooleanValue -1 -1 -exitOnFail $exitOnFail]] $argv

    set count(0) $options(-count0,value)
    set count(1) $options(-count1,value)
    set count(2) $options(-count2,value)
    set count(3) $options(-count3,value)
    set count(4) $options(-count4,value)
    set noWorkload $options(-noWorkload,value)
    set exitOnFail $options(-exitOnFail,value)
  }

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

  tputs $test_channel [appendArgs \
      "---- workloads will repeat " $count(0) " time(s)...\n"]

................................................................................
      "---- workload \"big\" chunk size is " $count(4) " byte(s)...\n"]

  if {[llength $noWorkload] > 0} then {
    tputs $test_channel [appendArgs \
        "---- workloads to be skipped... " $noWorkload \n]
  }

  tputs $test_channel [appendArgs \
      "---- workload iteration failures " [expr {$exitOnFail ? "will" : \
      "will not"}] " halt testing and exit the process...\n"]

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

  #
  # NOTE: Workloads #12 and #13 contain C# code that should be compiled, but
  #       only once.  These variables keep track of that state information.
  #       An integer value in one of these variables means the compilation was
  #       completed and the resulting compiled method may be invoked using the
  #       following command (where ${id} is the value of the variable):
  #
  #           object invoke _Dynamic${id}.Test${id} BackupAndGetData
  #
  set compiled(12) ""
  set compiled(13) ""

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

  #
  # NOTE: This is an in-memory database with shared cache enabled.
................................................................................
  #############################################################################

  setupDb $fileName(1) "" "" "" "" "" false false true true srcDb
  setupDb $fileName(2)

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

  #
  # NOTE: This serves two purposes.  First, it allows us to verify the trace
  #       logging subsystem is working properly.  Second, it places the file
  #       name for the associated database file into the trace log file.
  #
  set connection [getDbConnection]

  $connection LogMessage 0 [appendArgs \
      "starting stress test using database \"" $fileName(2) "\"..."]

  #############################################################################
  #                              WORKLOAD #1 (A)                              #
  #############################################################################

  set workload(1) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #1, CREATE TABLE statements.
    #
................................................................................
      for {set index 2} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs \
              "CREATE TABLE IF NOT EXISTS t" \
              $index "(x PRIMARY KEY, y, z);"]
          showTest A
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest a
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #2 (B)                              #
  #############################################################################

  set workload(2) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #2, DROP TABLE statements.
    #
................................................................................
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 2} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs \
              "DROP TABLE IF EXISTS t" $index \;]
          showTest B
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest b
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #3 (C)                              #
  #############################################################################

  set workload(3) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #3, "small" SELECT statements.
    #
................................................................................
            #
            # NOTE: Do nothing.
            #
          }
          unset -nocomplain reader
          showTest C
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest c
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #4 (D)                              #
  #############################################################################

  set workload(4) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #4, "big" SELECT statements.
    #
................................................................................
            #
            # NOTE: Do nothing.
            #
          }
          unset -nocomplain reader
          showTest D
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest d
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #5 (E)                              #
  #############################################################################

  set workload(5) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #5, "small" INSERT statements.
    #
................................................................................
          sql execute $db [appendArgs \
              "INSERT INTO " $table "(x, y, z) VALUES('" \
              [format %lX [expr {random()}]] "', '" \
              [base64 encode -- [expr {randstr($count2)}]] \
              "', 'small');"]
          showTest E
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest e
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #6 (F)                              #
  #############################################################################

  set workload(6) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #6, "big" INSERT statements.
    #
................................................................................
        if {[catch {
          sql execute $db [appendArgs \
              "INSERT INTO " $table "(x, y, z) VALUES('" \
              [format %lX [expr {random()}]] \
              "', RANDOMBLOB(" $count3 "), 'big');"]
          showTest F
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest f
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #7 (G)                              #
  #############################################################################

  set workload(7) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #7, "small" UPDATE statements.
    #
................................................................................
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs "UPDATE " $table \
              " SET y = '" [base64 encode -- [expr {randstr($count2)}]] \
              "' WHERE x LIKE '" [format %X $index] "%' AND z = 'small';"]
          showTest G
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest g
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #8 (H)                              #
  #############################################################################

  set workload(8) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #8, "big" UPDATE statements.
    #
................................................................................
        if {[catch {
          sql execute $db [appendArgs "UPDATE " $table \
              " SET y = RANDOMBLOB(" $count3 \
              ") WHERE x LIKE '" [format %X $index] \
              "%' AND z = 'big';"]
          showTest H
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest h
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #9 (I)                              #
  #############################################################################

  set workload(9) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #9, "small" DELETE statements.
    #
................................................................................
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs "DELETE FROM " $table \
              " WHERE x LIKE '" [format %X $index] "%' AND z = 'small';"]
          showTest I
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest i
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #10 (J)                             #
  #############################################################################

  set workload(10) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #10, "big" DELETE statements.
    #
................................................................................
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db [appendArgs "DELETE FROM " $table \
              " WHERE x LIKE '" [format %X $index] "%' AND z = 'big';"]
          showTest J
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest j
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #11 (K)                             #
  #############################################################################

  set workload(11) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #11, VACUUM statement.
    #
................................................................................
    lappend ::times(11) [lindex [time {
      setupDb $dstFileName "" "" "" "" "" true false
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          sql execute $db "VACUUM;"
          showTest K
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest k
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #12 (L)                             #
  #############################################################################

  set workload(12) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #12, backup to in-memory database.
    #
................................................................................
      for {set index 1} {$index <= $count1} {incr index} {
        if {[string is integer -strict $::compiled(12)]} then {
          set id $::compiled(12); # NOTE: Already compiled.
          if {[catch {
            object invoke _Dynamic${id}.Test${id} BackupAndGetData
            showTest L
          } error]} then {
            if {[isExpectedError $error]} then {
              showTest l
            } else {
              failTest $error
            }
          }
        } else {
          set id [object invoke Interpreter.GetActive NextId]
................................................................................
          }] true true true results errors System.Data.SQLite.dll]
          if {$code eq "Ok"} then {
            set ::compiled(12) $id; # NOTE: Compiled OK.
            if {[catch {
              object invoke _Dynamic${id}.Test${id} BackupAndGetData
              showTest L
            } error]} then {
              if {[isExpectedError $error]} then {
                showTest l
              } else {
                failTest $error
              }
            }
          } else {
            error $errors
          }
        }
      }
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #13 (M)                             #
  #############################################################################

  set workload(13) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #13, backup from an in-memory database.
    #
................................................................................
      for {set index 1} {$index <= $count1} {incr index} {
        if {[string is integer -strict $::compiled(13)]} then {
          set id $::compiled(13); # NOTE: Already compiled.
          if {[catch {
            object invoke _Dynamic${id}.Test${id} BackupAndGetData
            showTest M
          } error]} then {
            if {[isExpectedError $error]} then {
              showTest m
            } else {
              failTest $error
            }
          }
        } else {
          set id [object invoke Interpreter.GetActive NextId]
................................................................................
          }] true true true results errors System.Data.SQLite.dll]
          if {$code eq "Ok"} then {
            set ::compiled(13) $id; # NOTE: Compiled OK.
            if {[catch {
              object invoke _Dynamic${id}.Test${id} BackupAndGetData
              showTest M
            } error]} then {
              if {[isExpectedError $error]} then {
                showTest m
              } else {
                failTest $error
              }
            }
          } else {
            error $errors
          }
        }
      }
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #14 (N)                             #
  #############################################################################

  set workload(14) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #14, PRAGMA integrity check statement.
    #
................................................................................
              "PRAGMA integrity_check;"]
          if {$result eq "ok"} then {
            showTest N
          } else {
            error [appendArgs "integrity check failed: " $result]
          }
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest n
          } else {
            failTest $error
          }
        }
      }
      cleanupDb $dstFileName db false true false
    }] 0]
  }]

  #############################################################################
  #                              WORKLOAD #15 (O)                             #
  #############################################################################

  set workload(15) [list \
      [list srcFileName dstFileName table count1 count2 count3] {
    #
    # NOTE: Workload #15, force managed garbage collection
    #
    lappend ::times(15) [lindex [time {
      for {set index 1} {$index <= $count1} {incr index} {
        if {[catch {
          collectGarbage $::test_channel
          showTest O
        } error]} then {
          if {[isExpectedError $error]} then {
            showTest o
          } else {
            failTest $error
          }
        }
      }
    }] 0]
  }]
} -body {
  set failures 0

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

  for {set index(0) 0} {$index(0) < $count(0)} {incr index(0)} {
    sql execute $db "CREATE TABLE IF NOT EXISTS t1(x PRIMARY KEY, y, z);"

    unset -nocomplain thread

    foreach index(1) [lsort -integer [array names workload]] {
      if {[lsearch -exact $noWorkload $index(1)] == -1} then {
................................................................................
  set result [sql execute -execute scalar $db "PRAGMA integrity_check;"]

  if {$result eq "ok"} then {
    tputs $test_channel "---- integrity check ok (db)\n"
  } else {
    error [appendArgs "integrity check failed (db): " $result]
  }

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

  #
  # NOTE: The overall test result is the total number of failures encountered
  #       during all the workload iterations.
  #
  set failures
} -cleanup {
  rename failTest ""
  rename showTest ""
  rename isExpectedError ""

  cleanupDb $fileName(2)
  cleanupDb $fileName(1) srcDb

  foreach index(0) [array names workload] {
    catch {
      object removecallback [list apply $workload($index(0)) $fileName(1) \
................................................................................
  cleanupLogging $logFileName

  rename cleanupLogging ""
  rename setupLogging ""

  unset -nocomplain result thread index workload noWorkload srcDb db \
      fileName compiled options count times logFileName logListener \
      connection indicators iterations exitOnFail failures
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} \
-result {0}}

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

runSQLiteTestEpilogue
runTestEpilogue