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# 2009 January 30
#
# 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 file is testing the handling of OOM errors by the
# sqlite3_backup_XXX APIs.
#
# $Id: backup_malloc.test,v 1.2 2009/02/04 22:46:47 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
do_malloc_test backup_malloc-1 -tclprep {
execsql {
PRAGMA cache_size = 10;
BEGIN;
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(1, randstr(1000,1000));
INSERT INTO t1 SELECT a+ 1, randstr(1000,1000) FROM t1;
INSERT INTO t1 SELECT a+ 2, randstr(1000,1000) FROM t1;
INSERT INTO t1 SELECT a+ 4, randstr(1000,1000) FROM t1;
INSERT INTO t1 SELECT a+ 8, randstr(1000,1000) FROM t1;
INSERT INTO t1 SELECT a+16, randstr(1000,1000) FROM t1;
INSERT INTO t1 SELECT a+32, randstr(1000,1000) FROM t1;
INSERT INTO t1 SELECT a+64, randstr(1000,1000) FROM t1;
CREATE INDEX i1 ON t1(b);
COMMIT;
}
sqlite3 db2 test2.db
execsql { PRAGMA cache_size = 10 } db2
} -tclbody {
# Create a backup object.
#
set rc [catch {sqlite3_backup B db2 main db main}]
if {$rc && [sqlite3_errcode db2] == "SQLITE_NOMEM"} {
error "out of memory"
}
# Run the backup process some.
#
set rc [B step 50]
if {$rc == "SQLITE_NOMEM" || $rc == "SQLITE_IOERR_NOMEM"} {
error "out of memory"
}
# Update the database.
#
execsql { UPDATE t1 SET a = a + 1 }
# Finish doing the backup.
#
set rc [B step 5000]
if {$rc == "SQLITE_NOMEM" || $rc == "SQLITE_IOERR_NOMEM"} {
error "out of memory"
}
# Finalize the backup.
B finish
} -cleanup {
catch { B finish }
catch { db2 close }
}
do_malloc_test backup_malloc-2 -tclprep {
sqlite3 db2 test2.db
} -tclbody {
set rc [catch {sqlite3_backup B db2 temp db main}]
set errcode [sqlite3_errcode db2]
if {$rc && ($errcode == "SQLITE_NOMEM" || $errcode == "SQLITE_IOERR_NOMEM")} {
error "out of memory"
}
} -cleanup {
catch { B finish }
db2 close
}
finish_test
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