1# 2005 September 19 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# This file implements regression tests for SQLite library. The 12# focus of this script is testing the ALTER TABLE statement and 13# specifically out-of-memory conditions within that command. 14# 15# $Id: altermalloc.test,v 1.7 2007/10/03 08:46:45 danielk1977 Exp $ 16# 17 18set testdir [file dirname $argv0] 19source $testdir/tester.tcl 20 21# If SQLITE_OMIT_ALTERTABLE is defined, omit this file. 22ifcapable !altertable||!memdebug { 23 finish_test 24 return 25} 26 27source $testdir/malloc_common.tcl 28 29do_malloc_test altermalloc-1 -tclprep { 30 db close 31} -tclbody { 32 if {[catch {sqlite3 db test.db}]} { 33 error "out of memory" 34 } 35 sqlite3_extended_result_codes db 1 36} -sqlbody { 37 CREATE TABLE t1(a int); 38 ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL; 39 ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text'; 40 ALTER TABLE t1 RENAME TO t2; 41} 42 43# Test malloc() failure on an ALTER TABLE on a virtual table. 44# 45ifcapable vtab { 46 do_malloc_test altermalloc-vtab -tclprep { 47 sqlite3 db2 test.db 48 sqlite3_extended_result_codes db2 1 49 register_echo_module [sqlite3_connection_pointer db2] 50 db2 eval { 51 CREATE TABLE t1(a, b VARCHAR, c INTEGER); 52 CREATE VIRTUAL TABLE t1echo USING echo(t1); 53 } 54 db2 close 55 56 register_echo_module [sqlite3_connection_pointer db] 57 } -tclbody { 58 set rc [catch {db eval { ALTER TABLE t1echo RENAME TO t1_echo }} msg] 59 if {$msg eq "vtable constructor failed: t1echo"} { 60 set msg "out of memory" 61 } 62 if {$rc} { 63 error $msg 64 } 65 } 66} 67 68finish_test 69