/trunk/test/misuse.test |
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# 2002 May 10 |
# |
# 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. |
# |
# This file implements tests for the SQLITE_MISUSE detection logic. |
# This test file leaks memory and file descriptors. |
# |
# $Id: misuse.test,v 1.11 2006/01/03 00:33:50 drh Exp $ |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
|
proc catchsql2 {sql} { |
set r [ |
catch { |
set res [list] |
db eval $sql data { |
if { $res==[list] } { |
foreach f $data(*) {lappend res $f} |
} |
foreach f $data(*) {lappend res $data($f)} |
} |
set res |
} msg |
] |
lappend r $msg |
} |
|
|
# Make sure the test logic works |
# |
do_test misuse-1.1 { |
db close |
catch {file delete -force test2.db} |
catch {file delete -force test2.db-journal} |
sqlite3 db test2.db; set ::DB [sqlite3_connection_pointer db] |
execsql { |
CREATE TABLE t1(a,b); |
INSERT INTO t1 VALUES(1,2); |
} |
catchsql2 { |
SELECT * FROM t1 |
} |
} {0 {a b 1 2}} |
do_test misuse-1.2 { |
catchsql2 { |
SELECT x_coalesce(NULL,a) AS 'xyz' FROM t1 |
} |
} {1 {no such function: x_coalesce}} |
do_test misuse-1.3 { |
sqlite3_create_function $::DB |
catchsql2 { |
SELECT x_coalesce(NULL,a) AS 'xyz' FROM t1 |
} |
} {0 {xyz 1}} |
|
# Use the x_sqlite_exec() SQL function to simulate the effect of two |
# threads trying to use the same database at the same time. |
# |
# It used to be prohibited to invoke sqlite_exec() from within a function, |
# but that has changed. The following tests used to cause errors but now |
# they do not. |
# |
ifcapable {utf16} { |
do_test misuse-1.4 { |
catchsql2 { |
SELECT x_sqlite_exec('SELECT * FROM t1') AS xyz; |
} |
} {0 {xyz {1 2}}} |
} |
do_test misuse-1.5 { |
catchsql2 {SELECT * FROM t1} |
} {0 {a b 1 2}} |
do_test misuse-1.6 { |
catchsql { |
SELECT * FROM t1 |
} |
} {0 {1 2}} |
|
# Attempt to register a new SQL function while an sqlite_exec() is active. |
# |
do_test misuse-2.1 { |
db close |
sqlite3 db test2.db; set ::DB [sqlite3_connection_pointer db] |
execsql { |
SELECT * FROM t1 |
} |
} {1 2} |
do_test misuse-2.2 { |
catchsql2 {SELECT * FROM t1} |
} {0 {a b 1 2}} |
|
# We used to disallow creating new function from within an exec(). |
# But now this is acceptable. |
do_test misuse-2.3 { |
set v [catch { |
db eval {SELECT * FROM t1} {} { |
sqlite3_create_function $::DB |
} |
} msg] |
lappend v $msg |
} {0 {}} |
do_test misuse-2.4 { |
catchsql2 {SELECT * FROM t1} |
} {0 {a b 1 2}} |
do_test misuse-2.5 { |
catchsql { |
SELECT * FROM t1 |
} |
} {0 {1 2}} |
|
# Attempt to register a new SQL aggregate while an sqlite_exec() is active. |
# |
do_test misuse-3.1 { |
db close |
sqlite3 db test2.db; set ::DB [sqlite3_connection_pointer db] |
execsql { |
SELECT * FROM t1 |
} |
} {1 2} |
do_test misuse-3.2 { |
catchsql2 {SELECT * FROM t1} |
} {0 {a b 1 2}} |
|
# We used to disallow creating new function from within an exec(). |
# But now this is acceptable. |
do_test misuse-3.3 { |
set v [catch { |
db eval {SELECT * FROM t1} {} { |
sqlite3_create_aggregate $::DB |
} |
} msg] |
lappend v $msg |
} {0 {}} |
do_test misuse-3.4 { |
catchsql2 {SELECT * FROM t1} |
} {0 {a b 1 2}} |
do_test misuse-3.5 { |
catchsql { |
SELECT * FROM t1 |
} |
} {0 {1 2}} |
|
# Attempt to close the database from an sqlite_exec callback. |
# |
# Update for v3: The db cannot be closed because there are active |
# VMs. The sqlite3_close call would return SQLITE_BUSY. |
do_test misuse-4.1 { |
db close |
sqlite3 db test2.db; set ::DB [sqlite3_connection_pointer db] |
execsql { |
SELECT * FROM t1 |
} |
} {1 2} |
do_test misuse-4.2 { |
catchsql2 {SELECT * FROM t1} |
} {0 {a b 1 2}} |
do_test misuse-4.3 { |
set v [catch { |
db eval {SELECT * FROM t1} {} { |
set r [sqlite3_close $::DB] |
} |
} msg] |
lappend v $msg $r |
} {0 {} SQLITE_BUSY} |
do_test misuse-4.4 { |
# Flush the TCL statement cache here, otherwise the sqlite3_close() will |
# fail because there are still un-finalized() VDBEs. |
db cache flush |
sqlite3_close $::DB |
catchsql2 {SELECT * FROM t1} |
} {1 {library routine called out of sequence}} |
do_test misuse-4.5 { |
catchsql { |
SELECT * FROM t1 |
} |
} {1 {library routine called out of sequence}} |
|
# Attempt to use a database after it has been closed. |
# |
do_test misuse-5.1 { |
db close |
sqlite3 db test2.db; set ::DB [sqlite3_connection_pointer db] |
execsql { |
SELECT * FROM t1 |
} |
} {1 2} |
do_test misuse-5.2 { |
catchsql2 {SELECT * FROM t1} |
} {0 {a b 1 2}} |
do_test misuse-5.3 { |
db close |
set r [catch { |
sqlite3_prepare $::DB {SELECT * FROM t1} -1 TAIL |
} msg] |
lappend r $msg |
} {1 {(21) library routine called out of sequence}} |
|
finish_test |