# 2007 Aug 29

#

# 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 test script checks malloc failures in various obscure operations.

# 

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

set testdir [file dirname $argv0]

source $testdir/tester.tcl

source $testdir/malloc_common.tcl

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

#

if {!$MEMDEBUG} {

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

   finish_test

   return

}

# Malloc failures while opening a database connection.

#

do_malloc_test mallocG-1 -tclbody {

  db close

  sqlite3 db test.db

}

do_malloc_test mallocG-2 -sqlprep {

  CREATE TABLE t1(x, y);

  CREATE TABLE t2(x INTEGER PRIMARY KEY);

} -sqlbody {

  SELECT y FROM t1 WHERE x IN t2;

}

do_malloc_test mallocG-3 -sqlprep {

  CREATE TABLE t1(x UNIQUE);

  INSERT INTO t1 VALUES ('hello');

  INSERT INTO t1 VALUES ('out there');

} -sqlbody {

  SELECT * FROM t1

   WHERE x BETWEEN 'a' AND 'z'

     AND x BETWEEN 'c' AND 'w'

     AND x BETWEEN 'e' AND 'u'

     AND x BETWEEN 'g' AND 'r'

     AND x BETWEEN 'i' AND 'q'

     AND x BETWEEN 'i' AND 'm'

}

proc utf16 {utf8} {

  set utf16 [encoding convertto unicode $utf8]

  append utf16 "\x00\x00"

  return $utf16

}

do_malloc_test mallocG-4 -tclbody {

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

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

  set rc

}

finish_test