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1 # 2007 May 3 | |
2 # | |
3 # The author disclaims copyright to this source code. In place of | |
4 # 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 | |
15 set testdir [file dirname $argv0] | |
16 source $testdir/tester.tcl | |
17 | |
18 ifcapable !incrblob||!tclvar { | |
19 finish_test | |
20 return | |
21 } | |
22 | |
23 do_test tkt2332.1 { | |
24 execsql { | |
25 CREATE TABLE blobs (k INTEGER PRIMARY KEY, v BLOB); | |
26 PRAGMA cache_size = 100; | |
27 } | |
28 } {} | |
29 | |
30 set ::iKey 1 | |
31 foreach Len [list 10000 100000 1000000] { | |
32 do_test tkt2332.$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 } $Len | |
46 | |
47 do_test tkt2332.$Len.3 { | |
48 set ::fd [db incrblob blobs v $::iKey] | |
49 puts -nonewline $::fd $::blobstr | |
50 close $::fd | |
51 } {} | |
52 | |
53 do_test tkt2332.$Len.4 { | |
54 execsql { SELECT length(v) FROM blobs WHERE k = $::iKey; } | |
55 } $Len | |
56 | |
57 do_test tkt2332.$Len.5 { | |
58 lindex [execsql {SELECT v FROM blobs WHERE k = $::iKey}] 0 | |
59 } $::blobstr | |
60 | |
61 incr ::iKey | |
62 } | |
63 | |
64 # Free memory: | |
65 unset ::blobstr | |
66 | |
67 finish_test | |
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