AryaWu/sqlite
0
1# 2007 May 32#3# The author disclaims copyright to this source code. In place of4# a legal notice, here is a blessing:5#6# May you do good and not evil.7# May you find forgiveness for yourself and forgive others.8# May you share freely, never taking more than you give.9#10#***********************************************************************11#12# $Id: tkt2332.test,v 1.4 2007/09/12 17:01:45 danielk1977 Exp $13#14 15set testdir [file dirname $argv0]16source $testdir/tester.tcl17 18ifcapable !incrblob||!tclvar {19 finish_test20 return21}22 23do_test tkt2332.1 {24 execsql {25 CREATE TABLE blobs (k INTEGER PRIMARY KEY, v BLOB);26 PRAGMA cache_size = 100;27 }28} {}29 30set ::iKey 131foreach Len [list 10000 100000 1000000] {32 do_test tkt2332.$Len.1 {33 set val "[expr rand()][expr rand()][expr rand()][expr rand()][expr rand()]"34 set ::blobstr [string range \35 [string repeat $val [expr ($Len/[string length $val])+1]] 0 [expr $Len-1]36 ]37 38 db eval { INSERT INTO blobs VALUES($::iKey, zeroblob($Len)) }39 } {}40 41 do_test tkt2332.$Len.2 {42 execsql {43 SELECT length(v) FROM blobs WHERE k = $::iKey;44 }45 } $Len46 47 do_test tkt2332.$Len.3 {48 set ::fd [db incrblob blobs v $::iKey]49 puts -nonewline $::fd $::blobstr50 close $::fd51 } {}52 53 do_test tkt2332.$Len.4 {54 execsql { SELECT length(v) FROM blobs WHERE k = $::iKey; }55 } $Len56 57 do_test tkt2332.$Len.5 {58 lindex [execsql {SELECT v FROM blobs WHERE k = $::iKey}] 059 } $::blobstr60 61 incr ::iKey62}63 64# Free memory:65unset ::blobstr66 67finish_test68 