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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
commit | 63847496f14c813a5d80efd5b7de0f1294ffe1e3 (patch) | |
tree | 01c7571c7c762ceee70638549a99834fdd7c411b /test/zeroblob.test | |
parent | Initial commit. (diff) | |
download | sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.tar.xz sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.zip |
Adding upstream version 3.45.1.upstream/3.45.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/zeroblob.test')
-rw-r--r-- | test/zeroblob.test | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/test/zeroblob.test b/test/zeroblob.test new file mode 100644 index 0000000..df234ee --- /dev/null +++ b/test/zeroblob.test @@ -0,0 +1,343 @@ +# 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 |