sqlite/test/mallocK.test

# 2008 August 01
#
# 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 WHERE clause analysis.
# 
# $Id: mallocK.test,v 1.3 2009/01/08 21:00:03 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl

set sql {SELECT * FROM t1, t2 WHERE (a=1 OR a=2)}
for {set x 1} {$x<5} {incr x} {
  append sql " AND b=y"
  do_malloc_test mallocK-1.$x -sqlbody $sql -sqlprep {
    CREATE TABLE t1(a,b);
    CREATE TABLE t2(x,y);
  }
}

set sql {SELECT * FROM t1 WHERE a GLOB 'xyz*' AND (a=1 OR a=2)}
for {set x 1} {$x<5} {incr x} {
  append sql " AND b!=$x"
  do_malloc_test mallocK-2.$x -sqlbody $sql -sqlprep {
    CREATE TABLE t1(a,b);
  }
}

set sql {SELECT * FROM t1 WHERE a BETWEEN 5 AND 10}
for {set x 1} {$x<5} {incr x} {
  append sql " AND b=$x"
  do_malloc_test mallocK-3.$x -sqlbody $sql -sqlprep {
    CREATE TABLE t1(a,b);
  }
}

set sql {SELECT * FROM t1 WHERE b=0}
for {set x 1} {$x<5} {incr x} {
  set term "(b=$x"
  for {set y 0} {$y<$x} {incr y} {
    append term " AND a!=$y"
  }
  append sql " OR $term)"
  do_malloc_test mallocK-4.$x -sqlbody $sql -sqlprep {
    CREATE TABLE t1(a,b);
  }
}

ifcapable vtab {
  set sql {SELECT * FROM t2 WHERE a MATCH 'xyz'}
  for {set x 1} {$x<5} {incr x} {
    append sql " AND b!=$x"
    do_malloc_test mallocK-5.$x -sqlbody $sql -tclprep {
      register_echo_module [sqlite3_connection_pointer db]
      db eval {
        CREATE TABLE t1(a,b);
        CREATE VIRTUAL TABLE t2 USING echo(t1);
      }
    }
  }
}


finish_test