mirror of
https://github.com/sqlite/sqlite.git
synced 2025-11-03 16:53:36 +03:00
eee4c8ca11
Limit the size of hash tables and the vdbefifo when using mem5.c. (CVS 4795) FossilOrigin-Name: 63da5d97542e4f54c33329833477c8d96ce05dd0
96 lines
2.8 KiB
Plaintext
96 lines
2.8 KiB
Plaintext
# 2007 April 25
|
|
#
|
|
# 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 contains additional out-of-memory checks (see malloc.tcl)
|
|
# added to expose a bug in out-of-memory handling for sqlite3_value_text()
|
|
#
|
|
# $Id: malloc8.test,v 1.7 2008/02/18 22:24:58 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
source $testdir/malloc_common.tcl
|
|
|
|
# Only run these tests if memory debugging is turned on.
|
|
#
|
|
if {!$MEMDEBUG} {
|
|
puts "Skipping malloc8 tests: not compiled with -DSQLITE_MEMDEBUG..."
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
|
|
# The setup is a database with UTF-16 encoding that contains a single
|
|
# large string. We will be running lots of queries against this
|
|
# database. Because we will be extracting the string as UTF-8, there
|
|
# is a type conversion that occurs and thus an opportunity for malloc()
|
|
# to fail and for sqlite3_value_text() to return 0 even though
|
|
# sqlite3_value_type() returns SQLITE_TEXT.
|
|
#
|
|
|
|
do_malloc_test malloc8-1 -sqlprep {
|
|
PRAGMA encoding='UTF-16';
|
|
CREATE TABLE t1(a);
|
|
INSERT INTO t1
|
|
VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
|
|
} -sqlbody {
|
|
SELECT lower(a), upper(a), quote(a), trim(a), trim('x',a) FROM t1;
|
|
}
|
|
do_malloc_test malloc8-2 -sqlprep {
|
|
PRAGMA encoding='UTF-16';
|
|
CREATE TABLE t1(a);
|
|
INSERT INTO t1
|
|
VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
|
|
} -sqlbody {
|
|
SELECT replace(a,'x','y'), replace('x',a,'y'), replace('x','y',a)
|
|
FROM t1;
|
|
}
|
|
do_malloc_test malloc8-3 -sqlprep {
|
|
PRAGMA encoding='UTF-16';
|
|
CREATE TABLE t1(a);
|
|
INSERT INTO t1
|
|
VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
|
|
} -sqlbody {
|
|
SELECT length(a), substr(a, 4, 4) FROM t1;
|
|
}
|
|
ifcapable datetime {
|
|
do_malloc_test malloc8-4 -sqlprep {
|
|
PRAGMA encoding='UTF-16';
|
|
CREATE TABLE t1(a);
|
|
INSERT INTO t1
|
|
VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
|
|
} -sqlbody {
|
|
SELECT julianday(a,a) FROM t1;
|
|
}
|
|
}
|
|
do_malloc_test malloc8-5 -sqlprep {
|
|
PRAGMA encoding='UTF-16';
|
|
CREATE TABLE t1(a);
|
|
INSERT INTO t1
|
|
VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
|
|
} -sqlbody {
|
|
SELECT 1 FROM t1 WHERE a LIKE 'hello' ESCAPE NULL;
|
|
}
|
|
do_malloc_test malloc8-6 -sqlprep {
|
|
PRAGMA encoding='UTF-16';
|
|
CREATE TABLE t1(a);
|
|
INSERT INTO t1
|
|
VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
|
|
} -sqlbody {
|
|
SELECT hex(randomblob(100));
|
|
}
|
|
|
|
# Ensure that no file descriptors were leaked.
|
|
do_test malloc-99.X {
|
|
catch {db close}
|
|
set sqlite_open_file_count
|
|
} {0}
|
|
|
|
finish_test
|