3043b53222
if the second argument is an SQLITE_BLOB value. FossilOrigin-Name: 14d855d2b2b5b3485e0673d11405db7266b34c6d
93 lines
2.7 KiB
Plaintext
93 lines
2.7 KiB
Plaintext
# 2016 November 4
|
|
#
|
|
# 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 OOM error handling within the built-in
|
|
# INSTR() function.
|
|
#
|
|
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
set testprefix instrfault
|
|
|
|
# Use big NEEDLE and HAYSTACK strings. Strings so large they cannot
|
|
# use lookaside buffers.
|
|
#
|
|
set ::NEEDLE [string repeat "abcdefghijklmnopqrstuvwxyz" 10]
|
|
set ::HAYSTACK "[string repeat 123 10]$NEEDLE[string repeat 456 10]"
|
|
|
|
foreach {enc} {
|
|
utf8
|
|
utf16
|
|
} {
|
|
reset_db
|
|
sqlite3_db_config_lookaside db 0 0 0
|
|
|
|
execsql "PRAGMA encoding = $enc"
|
|
do_execsql_test 1.$enc.1 {
|
|
CREATE TABLE t1(n, h);
|
|
INSERT INTO t1 VALUES($::NEEDLE, $::HAYSTACK);
|
|
} {}
|
|
|
|
do_faultsim_test 1.$enc.1 -faults oom-t* -prep {
|
|
execsql { SELECT instr(h, n) FROM t1 }
|
|
} -body {
|
|
execsql { SELECT instr(h, n) FROM t1 }
|
|
} -test {
|
|
faultsim_test_result {0 31}
|
|
}
|
|
|
|
do_faultsim_test 1.$enc.2 -faults oom-t* -prep {
|
|
execsql { SELECT instr($::HAYSTACK, $::NEEDLE) FROM t1 }
|
|
} -body {
|
|
execsql { SELECT instr($::HAYSTACK, $::NEEDLE) FROM t1 }
|
|
} -test {
|
|
faultsim_test_result {0 31}
|
|
}
|
|
|
|
do_faultsim_test 1.$enc.3 -faults oom-t* -prep {
|
|
set ::stmt [sqlite3_prepare_v2 db "SELECT instr(?, ?)" -1 dummy]
|
|
sqlite3_bind_text $::stmt 1 $::HAYSTACK [string length $::HAYSTACK]
|
|
sqlite3_bind_text $::stmt 2 $::NEEDLE [string length $::NEEDLE]
|
|
} -body {
|
|
set rc [sqlite3_step $::stmt]
|
|
if {$rc=="SQLITE_NOMEM"} { error "out of memory" }
|
|
sqlite3_column_int $::stmt 0
|
|
} -test {
|
|
faultsim_test_result {0 31}
|
|
sqlite3_finalize $::stmt
|
|
}
|
|
|
|
do_faultsim_test 1.$enc.4 -faults oom-t* -prep {
|
|
set ::stmt [sqlite3_prepare_v2 db "SELECT instr(?, ?)" -1 dummy]
|
|
sqlite3_bind_blob $::stmt 1 $::HAYSTACK [string length $::HAYSTACK]
|
|
sqlite3_bind_text $::stmt 2 $::NEEDLE [string length $::NEEDLE]
|
|
} -body {
|
|
set rc [sqlite3_step $::stmt]
|
|
if {$rc=="SQLITE_NOMEM"} { error "out of memory" }
|
|
sqlite3_column_int $::stmt 0
|
|
} -test {
|
|
faultsim_test_result {0 31}
|
|
sqlite3_finalize $::stmt
|
|
}
|
|
|
|
do_execsql_test 1.$enc.5.0 {
|
|
CREATE TABLE h1(a, b);
|
|
INSERT INTO h1 VALUES('abcdefg%200hijkl', randomblob(200));
|
|
INSERT INTO h1 SELECT b, a FROM h1;
|
|
}
|
|
do_faultsim_test 1.$enc.5 -faults oom-t* -body {
|
|
execsql { SELECT rowid FROM h1 WHERE instr(a,b) }
|
|
} -test {}
|
|
}
|
|
|
|
finish_test
|