# 2007 May 3

#

# The author disclaims copyright to this source code.  In place of

# a legal notice, here is a blessing:

#

#    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: tkt2332.test,v 1.4 2007/09/12 17:01:45 danielk1977 Exp $

#

set testdir [file dirname $argv0]

source $testdir/tester.tcl

ifcapable !incrblob||!tclvar {

  finish_test

  return

}

do_test tkt2332.1 {

  execsql {

    CREATE TABLE blobs (k INTEGER PRIMARY KEY, v BLOB);

    PRAGMA cache_size = 100;

  }

} {}

set ::iKey 1

foreach Len [list 10000 100000 1000000] {

  do_test tkt2332.$Len.1 {

    set val "[expr rand()][expr rand()][expr rand()][expr rand()][expr rand()]"

    set ::blobstr [string range \

      [string repeat $val [expr ($Len/[string length $val])+1]] 0 [expr $Len-1]

    ]

    db eval { INSERT INTO blobs VALUES($::iKey, zeroblob($Len)) }

  } {}

  do_test tkt2332.$Len.2 {

    execsql {

      SELECT length(v) FROM blobs WHERE k = $::iKey;

    }

  } $Len

  do_test tkt2332.$Len.3 {

    set ::fd [db incrblob blobs v $::iKey]

    puts -nonewline $::fd $::blobstr

    close $::fd

  } {}

  do_test tkt2332.$Len.4 {

    execsql { SELECT length(v) FROM blobs WHERE k = $::iKey; }

  } $Len

  do_test tkt2332.$Len.5 {

    lindex [execsql {SELECT v FROM blobs WHERE k = $::iKey}] 0

  } $::blobstr

  incr ::iKey

}

# Free memory:

unset ::blobstr

finish_test