OLD | NEW |
(Empty) | |
| 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 file delete 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 |
OLD | NEW |