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Comment:Prevent the tcl test suite from throwing an exception when a threadsafe SQLite is linked against a non-threadsafe Tcl for testing. Print a warning instead. Ticket #3753. (CVS 6389)
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SHA1: a22e7c818b2227a4c80ad84b299d11f365e3b17d
User & Date: danielk1977 2009-03-26 14:48:07
Context
2009-03-26
17:13
Check that the first byte of a potentially hot journal file is non-zero before beginning hot-journal rollback. Fix for #3751 and #3745. (CVS 6390) check-in: 80241a05 user: danielk1977 tags: trunk
14:48
Prevent the tcl test suite from throwing an exception when a threadsafe SQLite is linked against a non-threadsafe Tcl for testing. Print a warning instead. Ticket #3753. (CVS 6389) check-in: a22e7c81 user: danielk1977 tags: trunk
12:20
Added new tests of the scratch memory allocator for increased test coverage. (CVS 6388) check-in: e99e28ef user: drh tags: trunk
Changes
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Changes to test/notify2.test. 

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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: notify2.test,v 1.4 2009/03/24 18:42:16 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl


# The tests in this file test the sqlite3_blocking_step() function in
# test_thread.c. sqlite3_blocking_step() is not an SQLite API function,
# it is just a demonstration of how the sqlite3_unlock_notify() function
# can be used to synchronize multi-threaded access to SQLite databases
# in shared-cache mode.
#
................................................................................
#   error is returned the current transaction is rolled back immediately.
#
#   This exercise is repeated twice, once using sqlite3_step(), and the
#   other using sqlite3_blocking_step(). The results are compared to ensure
#   that sqlite3_blocking_step() resulted in higher transaction throughput.
#

if {[info commands sqlite3_blocking_step] eq ""} {
  finish_test
  return
}
db close
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
source $testdir/thread_common.tcl

# Number of threads to run simultaneously.
#
set nThread 6
set nSecond 5

# The Tcl script executed by each of the $nThread threads used by this test.








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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: notify2.test,v 1.5 2009/03/26 14:48:07 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
if {[run_thread_tests]==0} { finish_test ; return }

# The tests in this file test the sqlite3_blocking_step() function in
# test_thread.c. sqlite3_blocking_step() is not an SQLite API function,
# it is just a demonstration of how the sqlite3_unlock_notify() function
# can be used to synchronize multi-threaded access to SQLite databases
# in shared-cache mode.
#
................................................................................
#   error is returned the current transaction is rolled back immediately.
#
#   This exercise is repeated twice, once using sqlite3_step(), and the
#   other using sqlite3_blocking_step(). The results are compared to ensure
#   that sqlite3_blocking_step() resulted in higher transaction throughput.
#





db close
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]


# Number of threads to run simultaneously.
#
set nThread 6
set nSecond 5

# The Tcl script executed by each of the $nThread threads used by this test.

Changes to test/thread001.test. 

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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: thread001.test,v 1.9 2009/02/12 17:06:41 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
ifcapable !mutex {
  return
}
source $testdir/thread_common.tcl
if {[info commands sqlthread] eq ""} {
  return
}

set ::enable_shared_cache [sqlite3_enable_shared_cache]

set ::NTHREAD 10

# Run this test three times: 
# 








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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: thread001.test,v 1.10 2009/03/26 14:48:07 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
if {[run_thread_tests]==0} { finish_test ; return }







set ::enable_shared_cache [sqlite3_enable_shared_cache]

set ::NTHREAD 10

# Run this test three times: 
#

Changes to test/thread002.test. 

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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
#   This test attempts to deadlock SQLite in shared-cache mode.
#     
#
# $Id: thread002.test,v 1.8 2009/03/17 15:39:31 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
source $testdir/thread_common.tcl
if {[info commands sqlthread] eq ""} {
  finish_test
  return
}
ifcapable !attach||!mutex { 
  finish_test
  return
}

db close
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]

set ::NTHREAD 10

do_test thread002.1 {








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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
#   This test attempts to deadlock SQLite in shared-cache mode.
#     
#
# $Id: thread002.test,v 1.9 2009/03/26 14:48:07 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
if {[run_thread_tests]==0} { finish_test ; return }









db close
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]

set ::NTHREAD 10

do_test thread002.1 {

Changes to test/thread003.test. 

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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
#   This file contains tests that attempt to break the pcache module
#   by bombarding it with simultaneous requests from multiple threads.
#     
# $Id: thread003.test,v 1.7 2009/03/12 14:43:28 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
source $testdir/thread_common.tcl
if {[info commands sqlthread] eq ""} {
  finish_test
  return
}
ifcapable !mutex {
  finish_test
  return
}

# Set up a couple of different databases full of pseudo-randomly 
# generated data.
#
do_test thread003.1.1 {
  execsql {
    BEGIN;








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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
#   This file contains tests that attempt to break the pcache module
#   by bombarding it with simultaneous requests from multiple threads.
#     
# $Id: thread003.test,v 1.8 2009/03/26 14:48:07 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
if {[run_thread_tests]==0} { finish_test ; return }









# Set up a couple of different databases full of pseudo-randomly 
# generated data.
#
do_test thread003.1.1 {
  execsql {
    BEGIN;

Changes to test/thread004.test. 

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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: thread004.test,v 1.1 2009/02/26 07:15:59 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

ifcapable !mutex||!shared_cache {

  return
}
source $testdir/thread_common.tcl
if {[info commands sqlthread] eq "" 
 || [info commands sqlite3_table_column_metadata] eq ""
} {

  return
}

# Use shared-cache mode for this test.
# 
db close
set ::enable_shared_cache [sqlite3_enable_shared_cache]








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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: thread004.test,v 1.2 2009/03/26 14:48:07 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
if {[run_thread_tests]==0} { finish_test ; return }
ifcapable !shared_cache {
  finish_test
  return
}


if { [info commands sqlite3_table_column_metadata] eq "" } {

  finish_test
  return
}

# Use shared-cache mode for this test.
# 
db close
set ::enable_shared_cache [sqlite3_enable_shared_cache]

Changes to test/thread005.test. 

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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# Test a race-condition that shows up in shared-cache mode.
#
# $Id: thread005.test,v 1.4 2009/03/20 15:16:06 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

ifcapable !mutex||!shared_cache {

  return
}
source $testdir/thread_common.tcl
if {[info commands sqlthread] eq ""} {
  return
}
db close

# Use shared-cache mode for these tests.
# 
set ::enable_shared_cache [sqlite3_enable_shared_cache]
sqlite3_enable_shared_cache 1









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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# Test a race-condition that shows up in shared-cache mode.
#
# $Id: thread005.test,v 1.5 2009/03/26 14:48:07 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl
if {[run_thread_tests]==0} { finish_test ; return }
ifcapable !shared_cache {
  finish_test
  return
}




db close

# Use shared-cache mode for these tests.
# 
set ::enable_shared_cache [sqlite3_enable_shared_cache]
sqlite3_enable_shared_cache 1

Changes to test/thread_common.tcl. 

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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: thread_common.tcl,v 1.4 2009/03/17 15:39:31 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

if {[info commands sqlthread] eq ""} {
  puts -nonewline "Skipping thread-safety tests - "
  puts            " not running a threadsafe sqlite/tcl build"
  puts -nonewline "Both SQLITE_THREADSAFE and TCL_THREADS must be defined when"
  puts            " building testfixture"
  finish_test
  return
}

# The following script is sourced by every thread spawned using 
# [sqlthread spawn]:
set thread_procs {

  # Execute the supplied SQL using database handle $::DB.
................................................................................
    }
  }
}

proc thread_spawn {varname args} {
  sqlthread spawn $varname [join $args ;]
}






















return 0














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#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# $Id: thread_common.tcl,v 1.5 2009/03/26 14:48:07 danielk1977 Exp $

if {[info exists ::thread_procs]} {








  return 0
}

# The following script is sourced by every thread spawned using 
# [sqlthread spawn]:
set thread_procs {

  # Execute the supplied SQL using database handle $::DB.
................................................................................
    }
  }
}

proc thread_spawn {varname args} {
  sqlthread spawn $varname [join $args ;]
}

# Return true if this build can run the multi-threaded tests.
#
proc run_thread_tests {{print_warning 0}} {
  ifcapable !mutex { 
    set zProblem "SQLite build is not threadsafe"
  }
  if {[info commands sqlthread] eq ""} {
    set zProblem "SQLite build is not threadsafe"
  }
  if {![info exists ::tcl_platform(threaded)]} {
    set zProblem "Linked against a non-threadsafe Tcl build"
  }
  if {[info exists zProblem]} {
    if {$print_warning} {
      if {[info exists ::run_thread_tests_failed]} {
        puts "WARNING: Multi-threaded tests skipped: $zProblem"
      }
    } else {
      puts "Skipping thread tests: $zProblem"
      set ::run_thread_tests_failed 1
    }
    return 0
  }
  return 1;
}

return 0

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