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Annotation of embedaddon/sqlite3/test/fuzz_malloc.test, revision 1.1

1.1     ! misho       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