xref: /sqlite-3.40.0/test/fuzz_malloc.test (revision c9cf901d) 
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 1.1 2007/05/30 10:36:47 danielk1977 Exp $
16
17set testdir [file dirname $argv0]
18source $testdir/tester.tcl
19source $testdir/fuzz_common.tcl
20source $testdir/malloc_common.tcl
21
22set ::REPEATS 20
23
24#
25# Usage: do_fuzzy_malloc_test <testname> ?<options>?
26#
27#     -template
28#     -repeats
29#
30proc do_fuzzy_malloc_test {testname args} {
31  set ::fuzzyopts(-repeats) $::REPEATS
32  array set ::fuzzyopts $args
33
34  for {set ii 0} {$ii < $::fuzzyopts(-repeats)} {incr ii} {
35    set ::sql [subst $::fuzzyopts(-template)]
36    # puts $::sql
37    foreach {rc res} [catchsql $::sql] {}
38    if {$rc==0} {
39      do_malloc_test $testname-$ii -sqlbody $::sql
40    } else {
41      incr ii -1
42    }
43  }
44}
45
46#----------------------------------------------------------------
47# Test malloc failure during parsing (and execution) of a fuzzily
48# generated expressions.
49#
50do_fuzzy_malloc_test fuzzy_malloc-1 -template {Select [Expr]}
51
52sqlite_malloc_fail 0
53finish_test
54