1 # 2007 Aug 29

     2 #

     3 # The author disclaims copyright to this source code.  In place of

     4 # a legal notice, here is a blessing:

     5 #

     6 #    May you do good and not evil.

     7 #    May you find forgiveness for yourself and forgive others.

     8 #    May you share freely, never taking more than you give.

     9 #

    10 #***********************************************************************

    11 #

    12 # This test script checks malloc failures in various obscure operations.

    13 # 

    14 # $Id: mallocG.test,v 1.5 2008/08/01 18:47:02 drh Exp $

    15 

    16 set testdir [file dirname $argv0]

    17 source $testdir/tester.tcl

    18 source $testdir/malloc_common.tcl

    19 

    20 # Only run these tests if memory debugging is turned on.

    21 #

    22 if {!$MEMDEBUG} {

    23    puts "Skipping mallocG tests: not compiled with -DSQLITE_MEMDEBUG..."

    24    finish_test

    25    return

    26 }

    27 

    28 # Malloc failures while opening a database connection.

    29 #

    30 do_malloc_test mallocG-1 -tclbody {

    31   db close

    32   sqlite3 db test.db

    33 }

    34 

    35 do_malloc_test mallocG-2 -sqlprep {

    36   CREATE TABLE t1(x, y);

    37   CREATE TABLE t2(x INTEGER PRIMARY KEY);

    38 } -sqlbody {

    39   SELECT y FROM t1 WHERE x IN t2;

    40 }

    41 

    42 do_malloc_test mallocG-3 -sqlprep {

    43   CREATE TABLE t1(x UNIQUE);

    44   INSERT INTO t1 VALUES ('hello');

    45   INSERT INTO t1 VALUES ('out there');

    46 } -sqlbody {

    47   SELECT * FROM t1

    48    WHERE x BETWEEN 'a' AND 'z'

    49      AND x BETWEEN 'c' AND 'w'

    50      AND x BETWEEN 'e' AND 'u'

    51      AND x BETWEEN 'g' AND 'r'

    52      AND x BETWEEN 'i' AND 'q'

    53      AND x BETWEEN 'i' AND 'm'

    54 }

    55 

    56 proc utf16 {utf8} {

    57   set utf16 [encoding convertto unicode $utf8]

    58   append utf16 "\x00\x00"

    59   return $utf16

    60 }

    61 

    62 do_malloc_test mallocG-4 -tclbody {

    63   set rc [sqlite3_complete16 [utf16 "SELECT * FROM t1;"]]

    64   if {$rc==1} {set rc 0} {error "out of memory"}

    65   set rc

    66 }

    67 

    68 finish_test