4753889c55
No changes to code. (CVS 4378) FossilOrigin-Name: 340a6d09bcde11065c1887b84bb81805b523ffb6
94 lines
2.3 KiB
Plaintext
94 lines
2.3 KiB
Plaintext
#
|
|
# 2007 May 10
|
|
#
|
|
# 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.
|
|
#
|
|
#***********************************************************************
|
|
#
|
|
# This file tests malloc failures in concert with fuzzy SQL generation.
|
|
#
|
|
# $Id: fuzz_malloc.test,v 1.9 2007/09/03 15:42:48 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
ifcapable !memdebug {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
source $testdir/malloc_common.tcl
|
|
source $testdir/fuzz_common.tcl
|
|
|
|
if {[info exists ISQUICK]} {
|
|
set ::REPEATS 20
|
|
} elseif {[info exists SOAKTEST]} {
|
|
set ::REPEATS 100
|
|
} else {
|
|
set ::REPEATS 40
|
|
}
|
|
|
|
#
|
|
# Usage: do_fuzzy_malloc_test <testname> ?<options>?
|
|
#
|
|
# -template
|
|
# -sqlprep
|
|
# -repeats
|
|
#
|
|
proc do_fuzzy_malloc_test {testname args} {
|
|
set ::fuzzyopts(-repeats) $::REPEATS
|
|
set ::fuzzyopts(-sqlprep) {}
|
|
array set ::fuzzyopts $args
|
|
|
|
sqlite3_memdebug_fail -1
|
|
db close
|
|
file delete test.db test.db-journal
|
|
sqlite3 db test.db
|
|
set ::prep $::fuzzyopts(-sqlprep)
|
|
execsql $::prep
|
|
set jj 0
|
|
for {set ii 0} {$ii < $::fuzzyopts(-repeats)} {incr ii} {
|
|
expr srand($jj)
|
|
incr jj
|
|
set ::sql [subst $::fuzzyopts(-template)]
|
|
foreach {rc res} [catchsql "$::sql"] {}
|
|
if {$rc==0} {
|
|
do_malloc_test $testname-$ii -sqlbody $::sql -sqlprep $::prep
|
|
} else {
|
|
incr ii -1
|
|
}
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------
|
|
# Test malloc failure during parsing (and execution) of a fuzzily
|
|
# generated expressions.
|
|
#
|
|
do_fuzzy_malloc_test fuzzy_malloc-1 -template {Select [Expr]}
|
|
do_fuzzy_malloc_test fuzzy_malloc-2 -template {[Select]}
|
|
|
|
set ::SQLPREP {
|
|
BEGIN;
|
|
CREATE TABLE abc(a, b, c);
|
|
CREATE TABLE def(a, b, c);
|
|
CREATE TABLE ghi(a, b, c);
|
|
INSERT INTO abc VALUES(1.5, 3, 'a short string');
|
|
INSERT INTO def VALUES(NULL, X'ABCDEF',
|
|
'a longer string. Long enough that it doesn''t fit in Mem.zShort');
|
|
INSERT INTO ghi VALUES(zeroblob(1000), 'hello world', -1257900987654321);
|
|
COMMIT;
|
|
}
|
|
set ::TableList [list abc def ghi]
|
|
set ::ColumnList [list a b c]
|
|
|
|
do_fuzzy_malloc_test fuzzy_malloc-3 \
|
|
-template {[Select]} \
|
|
-sqlprep $::SQLPREP
|
|
|
|
finish_test
|