mirror of
https://github.com/sqlite/sqlite.git
synced 2024-11-25 08:59:33 +01:00
344 lines
8.0 KiB
Plaintext
344 lines
8.0 KiB
Plaintext
# 2007 May 02
|
|
#
|
|
# 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 of the zero-filled blob functionality
|
|
# including the sqlite3_bind_zeroblob(), sqlite3_result_zeroblob(),
|
|
# and the built-in zeroblob() SQL function.
|
|
#
|
|
# $Id: zeroblob.test,v 1.14 2009/07/14 02:33:02 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
set testprefix zeroblob
|
|
|
|
# ifcapable !incrblob { finish_test return }
|
|
|
|
test_set_config_pagecache 0 0
|
|
|
|
# When zeroblob() is used for the last field of a column, then the
|
|
# content of the zeroblob is never instantiated on the VDBE stack.
|
|
# But it does get inserted into the database correctly.
|
|
#
|
|
db eval {PRAGMA cache_size=10}
|
|
sqlite3_memory_highwater 1
|
|
unset -nocomplain memused
|
|
set memused [sqlite3_memory_used]
|
|
do_test zeroblob-1.1 {
|
|
execsql {
|
|
CREATE TABLE t1(a,b,c,d);
|
|
}
|
|
set ::sqlite3_max_blobsize 0
|
|
execsql {
|
|
INSERT INTO t1 VALUES(2,3,4,zeroblob(1000000));
|
|
}
|
|
} {}
|
|
|
|
ifcapable incrblob {
|
|
do_test zeroblob-1.1.1 {
|
|
set ::sqlite3_max_blobsize
|
|
} {10}
|
|
do_test zeroblob-1.1.2 {
|
|
expr {[sqlite3_memory_highwater]<$::memused+35000}
|
|
} {1}
|
|
}
|
|
|
|
do_test zeroblob-1.2 {
|
|
execsql {
|
|
SELECT length(d) FROM t1
|
|
}
|
|
} {1000000}
|
|
|
|
# If a non-NULL column follows the zeroblob, then the content of
|
|
# the zeroblob must be instantiated.
|
|
#
|
|
do_test zeroblob-1.3 {
|
|
set ::sqlite3_max_blobsize 0
|
|
execsql {
|
|
INSERT INTO t1 VALUES(3,4,zeroblob(10000),5);
|
|
}
|
|
set ::sqlite3_max_blobsize
|
|
} {10010}
|
|
do_test zeroblob-1.4 {
|
|
execsql {
|
|
SELECT length(c), length(d) FROM t1
|
|
}
|
|
} {1 1000000 10000 1}
|
|
|
|
# Multiple zeroblobs can appear at the end of record. No instantiation
|
|
# of the blob content occurs on the stack.
|
|
#
|
|
do_test zeroblob-1.5 {
|
|
set ::sqlite3_max_blobsize 0
|
|
execsql {
|
|
INSERT INTO t1 VALUES(4,5,zeroblob(10000),zeroblob(10000));
|
|
}
|
|
} {}
|
|
ifcapable incrblob {
|
|
do_test zeroblob-1.5.1 {
|
|
set ::sqlite3_max_blobsize
|
|
} {11}
|
|
}
|
|
do_test zeroblob-1.6 {
|
|
execsql {
|
|
SELECT length(c), length(d) FROM t1
|
|
}
|
|
} {1 1000000 10000 1 10000 10000}
|
|
|
|
# NULLs can follow the zeroblob() or be intermixed with zeroblobs and
|
|
# no instantiation of the zeroblobs occurs on the stack.
|
|
#
|
|
do_test zeroblob-1.7 {
|
|
set ::sqlite3_max_blobsize 0
|
|
execsql {
|
|
INSERT INTO t1 VALUES(5,zeroblob(10000),NULL,zeroblob(10000));
|
|
}
|
|
} {}
|
|
ifcapable incrblob {
|
|
do_test zeroblob-1.7.1 {
|
|
set ::sqlite3_max_blobsize
|
|
} {10}
|
|
}
|
|
do_test zeroblob-1.8 {
|
|
execsql {
|
|
SELECT length(b), length(d) FROM t1 WHERE a=5
|
|
}
|
|
} {10000 10000}
|
|
|
|
# Comparisons against zeroblobs work.
|
|
#
|
|
do_test zeroblob-2.1 {
|
|
execsql {
|
|
SELECT a FROM t1 WHERE b=zeroblob(10000)
|
|
}
|
|
} {5}
|
|
|
|
# Comparisons against zeroblobs work even when indexed.
|
|
#
|
|
do_test zeroblob-2.2 {
|
|
execsql {
|
|
CREATE INDEX i1_1 ON t1(b);
|
|
SELECT a FROM t1 WHERE b=zeroblob(10000);
|
|
}
|
|
} {5}
|
|
|
|
# DISTINCT works for zeroblobs
|
|
#
|
|
ifcapable bloblit&&subquery&&compound {
|
|
do_test zeroblob-3.1 {
|
|
execsql {
|
|
SELECT count(DISTINCT a) FROM (
|
|
SELECT x'00000000000000000000' AS a
|
|
UNION ALL
|
|
SELECT zeroblob(10) AS a
|
|
)
|
|
}
|
|
} {1}
|
|
}
|
|
|
|
# Concatentation works with zeroblob
|
|
#
|
|
ifcapable bloblit {
|
|
do_test zeroblob-4.1 {
|
|
execsql {
|
|
SELECT hex(zeroblob(2) || x'61')
|
|
}
|
|
} {000061}
|
|
}
|
|
|
|
# Check various CAST(...) operations on zeroblob.
|
|
#
|
|
do_test zeroblob-5.1 {
|
|
execsql {
|
|
SELECT CAST (zeroblob(100) AS REAL);
|
|
}
|
|
} {0.0}
|
|
do_test zeroblob-5.2 {
|
|
execsql {
|
|
SELECT CAST (zeroblob(100) AS INTEGER);
|
|
}
|
|
} {0}
|
|
do_test zeroblob-5.3 {
|
|
execsql {
|
|
SELECT CAST (zeroblob(100) AS TEXT);
|
|
}
|
|
} {{}}
|
|
do_test zeroblob-5.4 {
|
|
execsql {
|
|
SELECT CAST(zeroblob(100) AS BLOB);
|
|
}
|
|
} [execsql {SELECT zeroblob(100)}]
|
|
|
|
|
|
# Check for malicious use of zeroblob. Make sure nothing crashes.
|
|
#
|
|
do_test zeroblob-6.1.1 {
|
|
execsql {select zeroblob(-1)}
|
|
} {{}}
|
|
do_test zeroblob-6.1.2 {
|
|
execsql {select zeroblob(-10)}
|
|
} {{}}
|
|
do_test zeroblob-6.1.3 {
|
|
execsql {select zeroblob(-100)}
|
|
} {{}}
|
|
do_test zeroblob-6.2 {
|
|
execsql {select length(zeroblob(-1))}
|
|
} {0}
|
|
do_test zeroblob-6.3 {
|
|
execsql {select zeroblob(-1)|1}
|
|
} {1}
|
|
do_test zeroblob-6.4 {
|
|
catchsql {select length(zeroblob(2147483648))}
|
|
} {1 {string or blob too big}}
|
|
do_test zeroblob-6.5 {
|
|
catchsql {select zeroblob(2147483648)}
|
|
} {1 {string or blob too big}}
|
|
do_test zeroblob-6.6 {
|
|
execsql {select hex(zeroblob(-1))}
|
|
} {{}}
|
|
do_test zeroblob-6.7 {
|
|
execsql {select typeof(zeroblob(-1))}
|
|
} {blob}
|
|
|
|
# Test bind_zeroblob()
|
|
#
|
|
sqlite3_memory_highwater 1
|
|
unset -nocomplain memused
|
|
set memused [sqlite3_memory_used]
|
|
do_test zeroblob-7.1 {
|
|
set ::STMT [sqlite3_prepare $::DB "SELECT length(?)" -1 DUMMY]
|
|
set ::sqlite3_max_blobsize 0
|
|
sqlite3_bind_zeroblob $::STMT 1 450000
|
|
sqlite3_step $::STMT
|
|
} {SQLITE_ROW}
|
|
do_test zeroblob-7.2 {
|
|
sqlite3_column_int $::STMT 0
|
|
} {450000}
|
|
do_test zeroblob-7.3 {
|
|
sqlite3_finalize $::STMT
|
|
} {SQLITE_OK}
|
|
ifcapable incrblob {
|
|
do_test zeroblob-7.4 {
|
|
set ::sqlite3_max_blobsize
|
|
} {0}
|
|
do_test zeroblob-7.5 {
|
|
expr {[sqlite3_memory_highwater]<$::memused+10000}
|
|
} {1}
|
|
}
|
|
|
|
# Test that MakeRecord can handle a value with some real content
|
|
# and a zero-blob tail.
|
|
#
|
|
do_test zeroblob-8.1 {
|
|
llength [execsql {
|
|
SELECT 'hello' AS a, zeroblob(10) as b from t1 ORDER BY a, b;
|
|
}]
|
|
} {8}
|
|
|
|
|
|
# Ticket #3965
|
|
# zeroblobs on either size of an IN operator
|
|
#
|
|
do_test zeroblob-9.1 {
|
|
db eval {SELECT x'0000' IN (x'000000')}
|
|
} {0}
|
|
do_test zeroblob-9.2 {
|
|
db eval {SELECT x'0000' IN (x'0000')}
|
|
} {1}
|
|
do_test zeroblob-9.3 {
|
|
db eval {SELECT zeroblob(2) IN (x'000000')}
|
|
} {0}
|
|
do_test zeroblob-9.4 {
|
|
db eval {SELECT zeroblob(2) IN (x'0000')}
|
|
} {1}
|
|
do_test zeroblob-9.5 {
|
|
db eval {SELECT x'0000' IN (zeroblob(3))}
|
|
} {0}
|
|
do_test zeroblob-9.6 {
|
|
db eval {SELECT x'0000' IN (zeroblob(2))}
|
|
} {1}
|
|
do_test zeroblob-9.7 {
|
|
db eval {SELECT zeroblob(2) IN (zeroblob(3))}
|
|
} {0}
|
|
do_test zeroblob-9.8 {
|
|
db eval {SELECT zeroblob(2) IN (zeroblob(2))}
|
|
} {1}
|
|
|
|
# Oversized zeroblob records
|
|
#
|
|
do_test zeroblob-10.1 {
|
|
db eval {
|
|
CREATE TABLE t10(a,b,c);
|
|
}
|
|
catchsql {INSERT INTO t10 VALUES(zeroblob(1e9),zeroblob(1e9),zeroblob(1e9))}
|
|
} {1 {string or blob too big}}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test the zeroblob() function on its own with negative or oversized
|
|
# arguments.
|
|
#
|
|
do_execsql_test 11.0 {
|
|
SELECT length(zeroblob(-1444444444444444));
|
|
} {0}
|
|
do_catchsql_test 11.1 {
|
|
SELECT zeroblob(5000 * 1024 * 1024);
|
|
} {1 {string or blob too big}}
|
|
do_catchsql_test 11.2 {
|
|
SELECT quote(zeroblob(5000 * 1024 * 1024));
|
|
} {1 {string or blob too big}}
|
|
do_catchsql_test 11.3 {
|
|
SELECT quote(zeroblob(-1444444444444444));
|
|
} {0 X''}
|
|
do_catchsql_test 11.4 {
|
|
SELECT quote(test_zeroblob(-1));
|
|
} {0 X''}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test the sqlite3_bind_zeroblob64() API.
|
|
#
|
|
proc bind_and_run {stmt nZero} {
|
|
sqlite3_bind_zeroblob64 $stmt 1 $nZero
|
|
sqlite3_step $stmt
|
|
set ret [sqlite3_column_int $stmt 0]
|
|
sqlite3_reset $stmt
|
|
set ret
|
|
}
|
|
set stmt [sqlite3_prepare db "SELECT length(?)" -1 dummy]
|
|
|
|
do_test 12.1 { bind_and_run $stmt 40 } 40
|
|
do_test 12.2 { bind_and_run $stmt 0 } 0
|
|
do_test 12.3 { bind_and_run $stmt 1000 } 1000
|
|
|
|
do_test 12.4 {
|
|
list [catch { bind_and_run $stmt [expr 5000 * 1024 * 1024] } msg] $msg
|
|
} {1 SQLITE_TOOBIG}
|
|
do_test 12.5 {
|
|
sqlite3_step $stmt
|
|
set ret [sqlite3_column_int $stmt 0]
|
|
sqlite3_reset $stmt
|
|
set ret
|
|
} {1000}
|
|
|
|
sqlite3_finalize $stmt
|
|
|
|
# 2019-01-25 https://sqlite.org/src/tktview/bb4bdb9f7f654b0bb9f34cfbac
|
|
# Zeroblob truncated by an index on expression
|
|
#
|
|
do_execsql_test 13.100 {
|
|
DROP TABLE IF EXISTS t1;
|
|
CREATE TABLE t1(a,b,c);
|
|
CREATE INDEX t1bbc ON t1(b, b+c);
|
|
INSERT INTO t1(a,b,c) VALUES(1,zeroblob(8),3);
|
|
SELECT a, quote(b), length(b), c FROM t1;
|
|
} {1 X'0000000000000000' 8 3}
|
|
|
|
test_restore_config_pagecache
|
|
finish_test
|