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1 # | |
2 # 2007 May 10 | |
3 # | |
4 # The author disclaims copyright to this source code. In place of | |
5 # a legal notice, here is a blessing: | |
6 # | |
7 # May you do good and not evil. | |
8 # May you find forgiveness for yourself and forgive others. | |
9 # May you share freely, never taking more than you give. | |
10 # | |
11 #*********************************************************************** | |
12 # | |
13 # This file tests malloc failures in concert with fuzzy SQL generation. | |
14 # | |
15 # $Id: fuzz_malloc.test,v 1.10 2008/08/20 16:35:10 drh Exp $ | |
16 | |
17 set testdir [file dirname $argv0] | |
18 source $testdir/tester.tcl | |
19 | |
20 ifcapable !memdebug { | |
21 finish_test | |
22 return | |
23 } | |
24 | |
25 source $testdir/malloc_common.tcl | |
26 source $testdir/fuzz_common.tcl | |
27 | |
28 if {[info exists G(isquick)]} { | |
29 set ::REPEATS 20 | |
30 } elseif {[info exists G(issoak)]} { | |
31 set ::REPEATS 100 | |
32 } else { | |
33 set ::REPEATS 40 | |
34 } | |
35 | |
36 # | |
37 # Usage: do_fuzzy_malloc_test <testname> ?<options>? | |
38 # | |
39 # -template | |
40 # -sqlprep | |
41 # -repeats | |
42 # | |
43 proc do_fuzzy_malloc_test {testname args} { | |
44 set ::fuzzyopts(-repeats) $::REPEATS | |
45 set ::fuzzyopts(-sqlprep) {} | |
46 array set ::fuzzyopts $args | |
47 | |
48 sqlite3_memdebug_fail -1 | |
49 db close | |
50 delete_file test.db test.db-journal | |
51 sqlite3 db test.db | |
52 set ::prep $::fuzzyopts(-sqlprep) | |
53 execsql $::prep | |
54 set jj 0 | |
55 for {set ii 0} {$ii < $::fuzzyopts(-repeats)} {incr ii} { | |
56 expr srand($jj) | |
57 incr jj | |
58 set ::sql [subst $::fuzzyopts(-template)] | |
59 # puts fuzyy-sql=\[$::sql\]; flush stdout | |
60 foreach {rc res} [catchsql "$::sql"] {} | |
61 if {$rc==0} { | |
62 do_malloc_test $testname-$ii -sqlbody $::sql -sqlprep $::prep | |
63 } else { | |
64 incr ii -1 | |
65 } | |
66 } | |
67 } | |
68 | |
69 #---------------------------------------------------------------- | |
70 # Test malloc failure during parsing (and execution) of a fuzzily | |
71 # generated expressions. | |
72 # | |
73 do_fuzzy_malloc_test fuzzy_malloc-1 -template {Select [Expr]} | |
74 do_fuzzy_malloc_test fuzzy_malloc-2 -template {[Select]} | |
75 | |
76 set ::SQLPREP { | |
77 BEGIN; | |
78 CREATE TABLE abc(a, b, c); | |
79 CREATE TABLE def(a, b, c); | |
80 CREATE TABLE ghi(a, b, c); | |
81 INSERT INTO abc VALUES(1.5, 3, 'a short string'); | |
82 INSERT INTO def VALUES(NULL, X'ABCDEF', | |
83 'a longer string. Long enough that it doesn''t fit in Mem.zShort'); | |
84 INSERT INTO ghi VALUES(zeroblob(1000), 'hello world', -1257900987654321); | |
85 COMMIT; | |
86 } | |
87 set ::TableList [list abc def ghi] | |
88 set ::ColumnList [list a b c] | |
89 | |
90 do_fuzzy_malloc_test fuzzy_malloc-3 \ | |
91 -template {[Select]} \ | |
92 -sqlprep $::SQLPREP | |
93 | |
94 finish_test | |
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