# 2005 September 19

#

# 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 file implements regression tests for SQLite library. The

# focus of this script is testing the ALTER TABLE statement and

# specifically out-of-memory conditions within that command.

#

# $Id: altermalloc.test,v 1.10 2008/10/30 17:21:13 danielk1977 Exp $

#

set testdir [file dirname $argv0]

source $testdir/tester.tcl

# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.

ifcapable !altertable {

finish_test

return

}

source $testdir/malloc_common.tcl

do_malloc_test altermalloc-1 -tclprep {

db close

} -tclbody {

if {[catch {sqlite3 db test.db}]} {

error "out of memory"

}

sqlite3_db_config_lookaside db 0 0 0

sqlite3_extended_result_codes db 1

} -sqlbody {

CREATE TABLE t1(a int);

ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL;

ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text';

ALTER TABLE t1 RENAME TO t2;

ALTER TABLE t2 ADD COLUMN d BLOB DEFAULT X'ABCD';

}

# Test malloc() failure on an ALTER TABLE on a virtual table.

#

ifcapable vtab {

do_malloc_test altermalloc-vtab -tclprep {

sqlite3 db2 test.db

sqlite3_db_config_lookaside db2 0 0 0

sqlite3_extended_result_codes db2 1

register_echo_module [sqlite3_connection_pointer db2]

db2 eval {

CREATE TABLE t1(a, b VARCHAR, c INTEGER);

CREATE VIRTUAL TABLE t1echo USING echo(t1);

}

db2 close

register_echo_module [sqlite3_connection_pointer db]

} -tclbody {

set rc [catch {db eval { ALTER TABLE t1echo RENAME TO t1_echo }} msg]

if {$msg eq "vtable constructor failed: t1echo"} {

set msg "out of memory"

}

if {$rc} {

error $msg

}

}

}

finish_test