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Overview
Comment:Add the --soft-heap-limit=N option to the test scripts. Set this value to enforce a soft heap limit across all tests. This changes exposes several new bugs. (CVS 4202)
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SHA1: 8be845981654d2a846c95c699395af222b6c3b43
User & Date: drh 2007-08-10 16:41:09
Context
2007-08-10
19:46
Update tests so that they work properly even if the soft-heap-limit is set low. (CVS 4203) (check-in: e01eb99e user: drh tags: trunk)
16:41
Add the --soft-heap-limit=N option to the test scripts. Set this value to enforce a soft heap limit across all tests. This changes exposes several new bugs. (CVS 4202) (check-in: 8be84598 user: drh tags: trunk)
2007-08-09
00:00
Fix documentation typos. Tickets #2168 and #2560. (CVS 4201) (check-in: 4333b231 user: drh tags: trunk)
Changes
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Changes to test/incrvacuum.test. 

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#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the incremental vacuum feature.
#
# Note: There are also some tests for incremental vacuum and IO 
# errors in incrvacuum_ioerr.test.
#
# $Id: incrvacuum.test,v 1.12 2007/06/25 08:16:58 danielk1977 Exp $

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

# If this build of the library does not support auto-vacuum, omit this
# whole file.
ifcapable {!autovacuum || !pragma} {
................................................................................
# create a database, thereafter that database defaults to incremental 
# vacuum mode.
#
db close
file delete -force test.db test.db-journal
sqlite3 db test.db


do_test incrvacuum-11.1 {
  execsql {
    PRAGMA auto_vacuum;
  }






} {0}

do_test incrvacuum-11.2 {
  execsql {
    PRAGMA auto_vacuum = incremental;
  }
} {}
do_test incrvacuum-11.3 {
  execsql {
................................................................................
  execsql {
    PRAGMA auto_vacuum;
  }
} {0}

db2 close
finish_test









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#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the incremental vacuum feature.
#
# Note: There are also some tests for incremental vacuum and IO 
# errors in incrvacuum_ioerr.test.
#
# $Id: incrvacuum.test,v 1.13 2007/08/10 16:41:09 drh Exp $

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

# If this build of the library does not support auto-vacuum, omit this
# whole file.
ifcapable {!autovacuum || !pragma} {
................................................................................
# create a database, thereafter that database defaults to incremental 
# vacuum mode.
#
db close
file delete -force test.db test.db-journal
sqlite3 db test.db

ifcapable default_autovacuum {
  do_test incrvacuum-11.1-av-dflt-on {
    execsql {
      PRAGMA auto_vacuum;
    }
  } {1}
} else {
  do_test incrvacuum-11.1-av-dflt-off {
    execsql {
      PRAGMA auto_vacuum;
    }
  } {0}
}
do_test incrvacuum-11.2 {
  execsql {
    PRAGMA auto_vacuum = incremental;
  }
} {}
do_test incrvacuum-11.3 {
  execsql {
................................................................................
  execsql {
    PRAGMA auto_vacuum;
  }
} {0}

db2 close
finish_test

Changes to test/malloc5.test. 

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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file contains test cases focused on the two memory-management APIs, 
# sqlite3_soft_heap_limit() and sqlite3_release_memory().
#
# $Id: malloc5.test,v 1.10 2007/04/07 17:44:28 drh Exp $

#---------------------------------------------------------------------------
# NOTES ON EXPECTED BEHAVIOUR
#
#---------------------------------------------------------------------------


................................................................................
# transaction execution.
#
# Before executing malloc5-4.* we save the value of the current soft heap 
# limit in variable ::soft_limit. The original value is restored after 
# running the tests.
#
set ::soft_limit [sqlite3_soft_heap_limit -1]

do_test malloc5-4.1 {
  execsql {BEGIN;}
  execsql {DELETE FROM abc;}
  for {set i 0} {$i < 10000} {incr i} {
    execsql "INSERT INTO abc VALUES($i, $i, '[string repeat X 100]');"
  }
  execsql {COMMIT;}








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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file contains test cases focused on the two memory-management APIs, 
# sqlite3_soft_heap_limit() and sqlite3_release_memory().
#
# $Id: malloc5.test,v 1.11 2007/08/10 16:41:09 drh Exp $

#---------------------------------------------------------------------------
# NOTES ON EXPECTED BEHAVIOUR
#
#---------------------------------------------------------------------------


................................................................................
# transaction execution.
#
# Before executing malloc5-4.* we save the value of the current soft heap 
# limit in variable ::soft_limit. The original value is restored after 
# running the tests.
#
set ::soft_limit [sqlite3_soft_heap_limit -1]
execsql {PRAGMA cache_size=2000}
do_test malloc5-4.1 {
  execsql {BEGIN;}
  execsql {DELETE FROM abc;}
  for {set i 0} {$i < 10000} {incr i} {
    execsql "INSERT INTO abc VALUES($i, $i, '[string repeat X 100]');"
  }
  execsql {COMMIT;}

Changes to test/tester.tcl. 

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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements some common TCL routines used for regression
# testing the SQLite library
#
# $Id: tester.tcl,v 1.81 2007/05/04 12:05:56 danielk1977 Exp $

# Make sure tclsqlite3 was compiled correctly.  Abort now with an
# error message if not.
#
if {[sqlite3 -tcl-uses-utf]} {
  if {"\u1234"=="u1234"} {
    puts stderr "***** BUILD PROBLEM *****"
................................................................................
    exit 1
  }
}

set tcl_precision 15
set sqlite_pending_byte 0x0010000





















# Use the pager codec if it is available
#
if {[sqlite3 -has-codec] && [info command sqlite_orig]==""} {
  rename sqlite3 sqlite_orig
  proc sqlite3 {args} {
    if {[llength $args]==2 && [string index [lindex $args 0] 0]!="-"} {
      lappend args -key {xyzzy}
................................................................................

  catch {
    pp_check_for_leaks
  }
  sqlite3 db {}
  # sqlite3_clear_tsd_memdebug
  db close








  if {$::sqlite3_tsd_count} {
     puts "Thread-specific data leak: $::sqlite3_tsd_count instances"
     incr nErr
  } else {
     puts "Thread-specific data deallocated properly"
  }
  incr nTest
................................................................................
      set s [expr $::sqlite_io_error_hit==0]
      set ::sqlite_io_error_hit 0

      # One of two things must have happened. either
      #   1.  We never hit the IO error and the SQL returned OK
      #   2.  An IO error was hit and the SQL failed
      #
#puts "$s $r $::go - $msg"
      expr { ($s && !$r && !$::go) || (!$s && $r && $::go) }
    } {1}

    # If an IO error occured, then the checksum of the database should
    # be the same as before the script that caused the IO error was run.
    if {$::go && $::ioerropts(-cksum)} {
      do_test $testname.$n.4 {








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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements some common TCL routines used for regression
# testing the SQLite library
#
# $Id: tester.tcl,v 1.82 2007/08/10 16:41:09 drh Exp $

# Make sure tclsqlite3 was compiled correctly.  Abort now with an
# error message if not.
#
if {[sqlite3 -tcl-uses-utf]} {
  if {"\u1234"=="u1234"} {
    puts stderr "***** BUILD PROBLEM *****"
................................................................................
    exit 1
  }
}

set tcl_precision 15
set sqlite_pending_byte 0x0010000

# 
# Check the command-line arguments for a default soft-heap-limit.
# Store this default value in the global variable ::soft_limit and
# update the soft-heap-limit each time this script is run.  In that
# way if an individual test file changes the soft-heap-limit, it
# will be reset at the start of the next test file.
#
if {![info exists soft_limit]} {
  set soft_limit 0
  for {set i 0} {$i<[llength $argv]} {incr i} {
    if {[regexp {^--soft-heap-limit=(.+)$} [lindex $argv $i] all value]} {
      if {$value!="off"} {
        set soft_limit $value
      }
      set argv [lreplace $argv $i $i]
    }
  }
}
sqlite3_soft_heap_limit $soft_limit

# Use the pager codec if it is available
#
if {[sqlite3 -has-codec] && [info command sqlite_orig]==""} {
  rename sqlite3 sqlite_orig
  proc sqlite3 {args} {
    if {[llength $args]==2 && [string index [lindex $args 0] 0]!="-"} {
      lappend args -key {xyzzy}
................................................................................

  catch {
    pp_check_for_leaks
  }
  sqlite3 db {}
  # sqlite3_clear_tsd_memdebug
  db close
  set heaplimit [sqlite3_soft_heap_limit]
  if {$heaplimit!=$::soft_limit} {
    puts "soft-heap-limit changed by this script\
          from $::soft_limit to $heaplimit"
  } elseif {$heaplimit!="" && $heaplimit>0} {
    puts "soft-heap-limit set to $heaplimit"
  }
  sqlite3_soft_heap_limit 0
  if {$::sqlite3_tsd_count} {
     puts "Thread-specific data leak: $::sqlite3_tsd_count instances"
     incr nErr
  } else {
     puts "Thread-specific data deallocated properly"
  }
  incr nTest
................................................................................
      set s [expr $::sqlite_io_error_hit==0]
      set ::sqlite_io_error_hit 0

      # One of two things must have happened. either
      #   1.  We never hit the IO error and the SQL returned OK
      #   2.  An IO error was hit and the SQL failed
      #

      expr { ($s && !$r && !$::go) || (!$s && $r && $::go) }
    } {1}

    # If an IO error occured, then the checksum of the database should
    # be the same as before the script that caused the IO error was run.
    if {$::go && $::ioerropts(-cksum)} {
      do_test $testname.$n.4 {

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