# 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 that tickets #2784 and #2789 have been fixed.

 # 

 # $Id: mallocE.test,v 1.3 2008/02/18 22:24:58 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 mallocE tests: not compiled with -DSQLITE_MEMDEBUG..."

    finish_test

    return

 }

 # ticket #2784

 #

 set PREP { 

   PRAGMA page_size = 1024;

   CREATE TABLE t1(a, b, c);

   CREATE TABLE t2(x, y, z);

 }

 do_malloc_test mallocE-1 -sqlprep $PREP -sqlbody { 

   SELECT p, q FROM (SELECT a+b AS p, b+c AS q FROM t1, t2 WHERE c>5)

               LEFT JOIN t2 ON p=x;

 }

 # Ticket #2789

 #

 do_malloc_test mallocE-2 -sqlprep $PREP -sqlbody { 

   SELECT x, y2 FROM (SELECT a+b AS x, b+c AS y2 FROM t1, t2 WHERE c>5)

               LEFT JOIN t2 USING(x) WHERE y2>11;

 }

 finish_test