AryaWu/sqlite

1# 2005 September 192#3# The author disclaims copyright to this source code.  In place of4# 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.  The12# focus of this script is testing the ALTER TABLE statement and13# specifically out-of-memory conditions within that command.14#15# $Id: altermalloc.test,v 1.10 2008/10/30 17:21:13 danielk1977 Exp $16#17 18set testdir [file dirname $argv0]19source $testdir/tester.tcl20 21# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.22ifcapable !altertable {23  finish_test24  return25}26 27source $testdir/malloc_common.tcl28 29do_malloc_test altermalloc-1 -tclprep {30  db close31} -tclbody {32  if {[catch {sqlite3 db test.db}]} {33    error "out of memory"34  }35  sqlite3_db_config_lookaside db 0 0 036  sqlite3_extended_result_codes db 137} -sqlbody {38  CREATE TABLE t1(a int);39  ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL;40  ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text';41  ALTER TABLE t1 RENAME TO t2;42  ALTER TABLE t2 ADD COLUMN d BLOB DEFAULT X'ABCD';43}44 45# Test malloc() failure on an ALTER TABLE on a virtual table.46#47ifcapable vtab {48  do_malloc_test altermalloc-vtab -tclprep {49    sqlite3 db2 test.db 50    sqlite3_db_config_lookaside db2 0 0 051    sqlite3_extended_result_codes db2 152    register_echo_module [sqlite3_connection_pointer db2]53    db2 eval {54      CREATE TABLE t1(a, b VARCHAR, c INTEGER);55      CREATE VIRTUAL TABLE t1echo USING echo(t1);56    }57    db2 close58 59    register_echo_module [sqlite3_connection_pointer db]60  } -tclbody {61    set rc [catch {db eval { ALTER TABLE t1echo RENAME TO t1_echo }} msg]62    if {$msg eq "vtable constructor failed: t1echo"} {63      set msg "out of memory"64    }65    if {$rc} {66      error $msg67    }68  }69}70 71finish_test72