test/fuzz_malloc.test

#
# 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 1.1 2007/05/30 10:36:47 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/fuzz_common.tcl
source $testdir/malloc_common.tcl

set ::REPEATS 20

#
# Usage: do_fuzzy_malloc_test <testname> ?<options>?
# 
#     -template
#     -repeats
#     
proc do_fuzzy_malloc_test {testname args} {
  set ::fuzzyopts(-repeats) $::REPEATS
  array set ::fuzzyopts $args

  for {set ii 0} {$ii < $::fuzzyopts(-repeats)} {incr ii} {
    set ::sql [subst $::fuzzyopts(-template)]
    # puts $::sql
    foreach {rc res} [catchsql $::sql] {}
    if {$rc==0} {
      do_malloc_test $testname-$ii -sqlbody $::sql
    } 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]}

sqlite_malloc_fail 0
finish_test