summaryrefslogtreecommitdiff
path: root/mysql-test/r/sp-security.result
blob: 66177395ac9b5370666251e7b9a486eedb75c548 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
use test;
grant usage on *.* to user1@localhost;
flush privileges;
drop table if exists t1;
drop database if exists db1_secret;
create database db1_secret;
create procedure db1_secret.dummy() begin end;
drop procedure db1_secret.dummy;
use db1_secret;
create table t1 ( u varchar(64), i int );
insert into t1 values('test', 0);
create procedure stamp(i int)
insert into db1_secret.t1 values (user(), i);
show procedure status like 'stamp';
Db	Name	Type	Definer	Modified	Created	Security_type	Comment	character_set_client	collation_connection	Database Collation
db1_secret	stamp	PROCEDURE	root@localhost	0000-00-00 00:00:00	0000-00-00 00:00:00	DEFINER		latin1	latin1_swedish_ci	latin1_swedish_ci
create function db() returns varchar(64)
begin
declare v varchar(64);
select u into v from t1 limit 1;
return v;
end|
show function status like 'db';
Db	Name	Type	Definer	Modified	Created	Security_type	Comment	character_set_client	collation_connection	Database Collation
db1_secret	db	FUNCTION	root@localhost	0000-00-00 00:00:00	0000-00-00 00:00:00	DEFINER		latin1	latin1_swedish_ci	latin1_swedish_ci
call stamp(1);
select * from t1;
u	i
test	0
root@localhost	1
select db();
db()
test
grant execute on procedure db1_secret.stamp to user1@'%';
grant execute on function db1_secret.db to user1@'%';
grant execute on procedure db1_secret.stamp to ''@'%';
grant execute on function db1_secret.db to ''@'%';
call db1_secret.stamp(2);
select db1_secret.db();
db1_secret.db()
test
select * from db1_secret.t1;
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table 't1'
create procedure db1_secret.dummy() begin end;
ERROR 42000: Access denied for user 'user1'@'localhost' to database 'db1_secret'
drop procedure db1_secret.dummy;
ERROR 42000: PROCEDURE db1_secret.dummy does not exist
drop procedure db1_secret.stamp;
ERROR 42000: alter routine command denied to user 'user1'@'localhost' for routine 'db1_secret.stamp'
drop function db1_secret.db;
ERROR 42000: alter routine command denied to user 'user1'@'localhost' for routine 'db1_secret.db'
call db1_secret.stamp(3);
select db1_secret.db();
db1_secret.db()
test
select * from db1_secret.t1;
ERROR 42000: SELECT command denied to user ''@'localhost' for table 't1'
create procedure db1_secret.dummy() begin end;
ERROR 42000: Access denied for user ''@'%' to database 'db1_secret'
drop procedure db1_secret.dummy;
ERROR 42000: PROCEDURE db1_secret.dummy does not exist
drop procedure db1_secret.stamp;
ERROR 42000: alter routine command denied to user ''@'%' for routine 'db1_secret.stamp'
drop function db1_secret.db;
ERROR 42000: alter routine command denied to user ''@'%' for routine 'db1_secret.db'
select * from t1;
u	i
test	0
root@localhost	1
user1@localhost	2
anon@localhost	3
alter procedure stamp sql security invoker;
show procedure status like 'stamp';
Db	Name	Type	Definer	Modified	Created	Security_type	Comment	character_set_client	collation_connection	Database Collation
db1_secret	stamp	PROCEDURE	root@localhost	0000-00-00 00:00:00	0000-00-00 00:00:00	INVOKER		latin1	latin1_swedish_ci	latin1_swedish_ci
alter function db sql security invoker;
show function status like 'db';
Db	Name	Type	Definer	Modified	Created	Security_type	Comment	character_set_client	collation_connection	Database Collation
db1_secret	db	FUNCTION	root@localhost	0000-00-00 00:00:00	0000-00-00 00:00:00	INVOKER		latin1	latin1_swedish_ci	latin1_swedish_ci
call stamp(4);
select * from t1;
u	i
test	0
root@localhost	1
user1@localhost	2
anon@localhost	3
root@localhost	4
select db();
db()
test
call db1_secret.stamp(5);
ERROR 42000: INSERT command denied to user 'user1'@'localhost' for table 't1'
select db1_secret.db();
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table 't1'
call db1_secret.stamp(6);
ERROR 42000: INSERT command denied to user ''@'localhost' for table 't1'
select db1_secret.db();
ERROR 42000: SELECT command denied to user ''@'localhost' for table 't1'
drop database if exists db2;
create database db2;
use db2;
create table t2 (s1 int);
insert into t2 values (0);
grant usage on db2.* to user1@localhost;
grant select on db2.* to user1@localhost;
grant usage on db2.* to user2@localhost;
grant select,insert,update,delete,create routine on db2.* to user2@localhost;
grant create routine on db2.* to user1@localhost;
flush privileges;
use db2;
create procedure p () insert into t2 values (1);
call p();
ERROR 42000: INSERT command denied to user 'user1'@'localhost' for table 't2'
use db2;
call p();
ERROR 42000: execute command denied to user 'user2'@'localhost' for routine 'db2.p'
select * from t2;
s1
0
create procedure q () insert into t2 values (2);
call q();
select * from t2;
s1
0
2
grant usage on procedure db2.q to user2@localhost with grant option;
grant execute on procedure db2.q to user1@localhost;
use db2;
call q();
select * from t2;
s1
0
2
2
alter procedure p modifies sql data;
drop procedure p;
alter procedure q modifies sql data;
ERROR 42000: alter routine command denied to user 'user1'@'localhost' for routine 'db2.q'
drop procedure q;
ERROR 42000: alter routine command denied to user 'user1'@'localhost' for routine 'db2.q'
use db2;
alter procedure q modifies sql data;
drop procedure q;
use test;
select type,db,name from mysql.proc where db like 'db%';
type	db	name
FUNCTION	db1_secret	db
PROCEDURE	db1_secret	stamp
drop database db1_secret;
drop database db2;
select type,db,name from mysql.proc where db like 'db%';
type	db	name
delete from mysql.user where user='user1' or user='user2';
delete from mysql.user where user='' and host='%';
delete from mysql.procs_priv where user='user1' or user='user2';
delete from mysql.procs_priv where user='' and host='%';
delete from mysql.db where user='user2';
flush privileges;
grant usage on *.* to usera@localhost;
grant usage on *.* to userb@localhost;
grant usage on *.* to userc@localhost;
create database sptest;
create table t1 ( u varchar(64), i int );
create procedure sptest.p1(i int) insert into test.t1 values (user(), i);
grant insert on t1 to usera@localhost;
grant execute on procedure sptest.p1 to usera@localhost;
show grants for usera@localhost;
Grants for usera@localhost
GRANT USAGE ON *.* TO 'usera'@'localhost'
GRANT INSERT ON `test`.`t1` TO 'usera'@'localhost'
GRANT EXECUTE ON PROCEDURE `sptest`.`p1` TO 'usera'@'localhost'
grant execute on procedure sptest.p1 to userc@localhost with grant option;
show grants for userc@localhost;
Grants for userc@localhost
GRANT USAGE ON *.* TO 'userc'@'localhost'
GRANT EXECUTE ON PROCEDURE `sptest`.`p1` TO 'userc'@'localhost' WITH GRANT OPTION
call sptest.p1(1);
grant execute on procedure sptest.p1 to userb@localhost;
ERROR 42000: grant command denied to user 'usera'@'localhost' for routine 'sptest.p1'
drop procedure sptest.p1;
ERROR 42000: alter routine command denied to user 'usera'@'localhost' for routine 'sptest.p1'
call sptest.p1(2);
ERROR 42000: execute command denied to user 'userb'@'localhost' for routine 'sptest.p1'
grant execute on procedure sptest.p1 to userb@localhost;
ERROR 42000: execute command denied to user 'userb'@'localhost' for routine 'sptest.p1'
drop procedure sptest.p1;
ERROR 42000: alter routine command denied to user 'userb'@'localhost' for routine 'sptest.p1'
call sptest.p1(3);
grant execute on procedure sptest.p1 to userb@localhost;
drop procedure sptest.p1;
ERROR 42000: alter routine command denied to user 'userc'@'localhost' for routine 'sptest.p1'
call sptest.p1(4);
grant execute on procedure sptest.p1 to userb@localhost;
ERROR 42000: grant command denied to user 'userb'@'localhost' for routine 'sptest.p1'
drop procedure sptest.p1;
ERROR 42000: alter routine command denied to user 'userb'@'localhost' for routine 'sptest.p1'
select * from t1;
u	i
usera@localhost	1
userc@localhost	3
userb@localhost	4
grant all privileges on procedure sptest.p1 to userc@localhost;
show grants for userc@localhost;
Grants for userc@localhost
GRANT USAGE ON *.* TO 'userc'@'localhost'
GRANT EXECUTE, ALTER ROUTINE ON PROCEDURE `sptest`.`p1` TO 'userc'@'localhost' WITH GRANT OPTION
show grants for userb@localhost;
Grants for userb@localhost
GRANT USAGE ON *.* TO 'userb'@'localhost'
GRANT EXECUTE ON PROCEDURE `sptest`.`p1` TO 'userb'@'localhost'
revoke all privileges on procedure sptest.p1 from userb@localhost;
show grants for userb@localhost;
Grants for userb@localhost
GRANT USAGE ON *.* TO 'userb'@'localhost'
use test;
drop database sptest;
delete from mysql.user where user='usera' or user='userb' or user='userc';
delete from mysql.procs_priv where user='usera' or user='userb' or user='userc';
delete from mysql.tables_priv where user='usera';
flush privileges;
drop table t1;
drop function if exists bug_9503;
create database mysqltest//
use mysqltest//
create table t1 (s1 int)//
grant select on t1 to user1@localhost//
create function bug_9503 () returns int sql security invoker begin declare v int;
select min(s1) into v from t1; return v; end//
use mysqltest;
select bug_9503();
ERROR 42000: execute command denied to user 'user1'@'localhost' for routine 'mysqltest.bug_9503'
grant execute on function bug_9503 to user1@localhost;
do 1;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost;
drop function bug_9503;
use test;
drop database mysqltest;
use test;
select current_user();
current_user()
root@localhost
select user();
user()
root@localhost
create procedure bug7291_0 () sql security invoker select current_user(), user();
create procedure bug7291_1 () sql security definer call bug7291_0();
create procedure bug7291_2 () sql security invoker call bug7291_0();
grant execute on procedure bug7291_0 to user1@localhost;
grant execute on procedure bug7291_1 to user1@localhost;
grant execute on procedure bug7291_2 to user1@localhost;
call bug7291_2();
current_user()	user()
user1@localhost	user1@localhost
call bug7291_1();
current_user()	user()
root@localhost	user1@localhost
drop procedure bug7291_1;
drop procedure bug7291_2;
drop procedure bug7291_0;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost;
drop user user1@localhost;
drop database if exists mysqltest_1;
create database mysqltest_1;
create procedure mysqltest_1.p1()
begin
select 1 from dual;
end//
grant usage on *.* to mysqltest_1@localhost;
call mysqltest_1.p1();
ERROR 42000: execute command denied to user 'mysqltest_1'@'localhost' for routine 'mysqltest_1.p1'
call mysqltest_1.p1();
ERROR 42000: execute command denied to user 'mysqltest_1'@'localhost' for routine 'mysqltest_1.p1'
drop procedure mysqltest_1.p1;
drop database mysqltest_1;
revoke usage on *.* from mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop function if exists bug12812|
create function bug12812() returns char(2)
begin
return 'ok';
end;
create user user_bug12812@localhost IDENTIFIED BY 'ABC'|
SELECT test.bug12812()|
ERROR 42000: execute command denied to user 'user_bug12812'@'localhost' for routine 'test.bug12812'
CREATE VIEW v1 AS SELECT test.bug12812()|
ERROR 42000: execute command denied to user 'user_bug12812'@'localhost' for routine 'test.bug12812'
DROP USER user_bug12812@localhost|
drop function bug12812|
create database db_bug14834;
create user user1_bug14834@localhost identified by '';
grant all on `db\_bug14834`.* to user1_bug14834@localhost;
create user user2_bug14834@localhost identified by '';
grant all on `db\_bug14834`.* to user2_bug14834@localhost;
create user user3_bug14834@localhost identified by '';
grant all on `db__ug14834`.* to user3_bug14834@localhost;
create procedure p_bug14834() select user(), current_user();
call p_bug14834();
user()	current_user()
user1_bug14834@localhost	user1_bug14834@localhost
call p_bug14834();
user()	current_user()
user2_bug14834@localhost	user1_bug14834@localhost
call p_bug14834();
user()	current_user()
user3_bug14834@localhost	user1_bug14834@localhost
drop user user1_bug14834@localhost;
drop user user2_bug14834@localhost;
drop user user3_bug14834@localhost;
drop database db_bug14834;
create database db_bug14533;
use db_bug14533;
create table t1 (id int);
create user user_bug14533@localhost identified by '';
create procedure bug14533_1()
sql security definer
desc db_bug14533.t1;
create procedure bug14533_2()
sql security definer
select * from db_bug14533.t1;
grant execute on procedure db_bug14533.bug14533_1 to user_bug14533@localhost;
grant execute on procedure db_bug14533.bug14533_2 to user_bug14533@localhost;
call db_bug14533.bug14533_1();
Field	Type	Null	Key	Default	Extra
id	int(11)	YES		NULL	
call db_bug14533.bug14533_2();
id
desc db_bug14533.t1;
ERROR 42000: SELECT command denied to user 'user_bug14533'@'localhost' for table 't1'
select * from db_bug14533.t1;
ERROR 42000: SELECT command denied to user 'user_bug14533'@'localhost' for table 't1'
drop user user_bug14533@localhost;
drop database db_bug14533;

---> connection: root
DROP DATABASE IF EXISTS mysqltest;
CREATE DATABASE mysqltest;
CREATE USER mysqltest_1@localhost;
GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_1@localhost;
CREATE USER mysqltest_2@localhost;
GRANT SUPER ON *.* TO mysqltest_2@localhost;
GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;

---> connection: mysqltest_2_con
use mysqltest;
CREATE PROCEDURE wl2897_p1() SELECT 1;
CREATE FUNCTION wl2897_f1() RETURNS INT RETURN 1;

---> connection: mysqltest_1_con
use mysqltest;
CREATE DEFINER=root@localhost PROCEDURE wl2897_p2() SELECT 2;
ERROR 42000: Access denied; you need the SUPER privilege for this operation
CREATE DEFINER=root@localhost FUNCTION wl2897_f2() RETURNS INT RETURN 2;
ERROR 42000: Access denied; you need the SUPER privilege for this operation

---> connection: mysqltest_2_con
use mysqltest;
CREATE DEFINER='a @ b @ c'@localhost PROCEDURE wl2897_p3() SELECT 3;
Warnings:
Note	1449	The user specified as a definer ('a @ b @ c'@'localhost') does not exist
CREATE DEFINER='a @ b @ c'@localhost FUNCTION wl2897_f3() RETURNS INT RETURN 3;
Warnings:
Note	1449	The user specified as a definer ('a @ b @ c'@'localhost') does not exist

---> connection: con1root
use mysqltest;
SHOW CREATE PROCEDURE wl2897_p1;
Procedure	sql_mode	Create Procedure	character_set_client	collation_connection	Database Collation
wl2897_p1		CREATE DEFINER=`mysqltest_2`@`localhost` PROCEDURE `wl2897_p1`()
SELECT 1	latin1	latin1_swedish_ci	latin1_swedish_ci
SHOW CREATE PROCEDURE wl2897_p3;
Procedure	sql_mode	Create Procedure	character_set_client	collation_connection	Database Collation
wl2897_p3		CREATE DEFINER=`a @ b @ c`@`localhost` PROCEDURE `wl2897_p3`()
SELECT 3	latin1	latin1_swedish_ci	latin1_swedish_ci
SHOW CREATE FUNCTION wl2897_f1;
Function	sql_mode	Create Function	character_set_client	collation_connection	Database Collation
wl2897_f1		CREATE DEFINER=`mysqltest_2`@`localhost` FUNCTION `wl2897_f1`() RETURNS int(11)
RETURN 1	latin1	latin1_swedish_ci	latin1_swedish_ci
SHOW CREATE FUNCTION wl2897_f3;
Function	sql_mode	Create Function	character_set_client	collation_connection	Database Collation
wl2897_f3		CREATE DEFINER=`a @ b @ c`@`localhost` FUNCTION `wl2897_f3`() RETURNS int(11)
RETURN 3	latin1	latin1_swedish_ci	latin1_swedish_ci
DROP USER mysqltest_1@localhost;
DROP USER mysqltest_2@localhost;
DROP DATABASE mysqltest;

---> connection: root
DROP DATABASE IF EXISTS mysqltest;
CREATE DATABASE mysqltest;
CREATE USER mysqltest_1@localhost;
GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_1@localhost;
CREATE USER mysqltest_2@localhost;
GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;

---> connection: mysqltest_1_con
use mysqltest;
CREATE PROCEDURE bug13198_p1()
SELECT 1;
CREATE FUNCTION bug13198_f1() RETURNS INT
RETURN 1;
CALL bug13198_p1();
1
1
SELECT bug13198_f1();
bug13198_f1()
1

---> connection: mysqltest_2_con
use mysqltest;
CALL bug13198_p1();
1
1
SELECT bug13198_f1();
bug13198_f1()
1

---> connection: root
DROP USER mysqltest_1@localhost;

---> connection: mysqltest_2_con
use mysqltest;
CALL bug13198_p1();
ERROR HY000: The user specified as a definer ('mysqltest_1'@'localhost') does not exist
SELECT bug13198_f1();
ERROR HY000: The user specified as a definer ('mysqltest_1'@'localhost') does not exist

---> connection: root
DROP USER mysqltest_2@localhost;
DROP DATABASE mysqltest;
GRANT USAGE ON *.* TO user19857@localhost IDENTIFIED BY 'meow';
GRANT SELECT, INSERT, UPDATE, DELETE, CREATE ROUTINE, ALTER ROUTINE ON test.* TO
user19857@localhost;
SELECT Host,User,Password FROM mysql.user WHERE User='user19857';
Host	User	Password
localhost	user19857	*82DC221D557298F6CE9961037DB1C90604792F5C

---> connection: mysqltest_2_con
use test;
CREATE PROCEDURE sp19857() DETERMINISTIC
BEGIN
DECLARE a INT;
SET a=1;
SELECT a;
END //
SHOW CREATE PROCEDURE test.sp19857;
Procedure	sql_mode	Create Procedure	character_set_client	collation_connection	Database Collation
sp19857		CREATE DEFINER=`user19857`@`localhost` PROCEDURE `sp19857`()
    DETERMINISTIC
BEGIN
DECLARE a INT;
SET a=1;
SELECT a;
END	latin1	latin1_swedish_ci	latin1_swedish_ci
DROP PROCEDURE IF EXISTS test.sp19857;

---> connection: root
SELECT Host,User,Password FROM mysql.user WHERE User='user19857';
Host	User	Password
localhost	user19857	*82DC221D557298F6CE9961037DB1C90604792F5C
DROP USER user19857@localhost;
use test;
DROP TABLE IF EXISTS t1;
DROP VIEW IF EXISTS v1;
DROP FUNCTION IF EXISTS f_suid;
DROP PROCEDURE IF EXISTS p_suid;
DROP FUNCTION IF EXISTS f_evil;
DELETE FROM mysql.user WHERE user LIKE 'mysqltest\_%';
DELETE FROM mysql.db WHERE user LIKE 'mysqltest\_%';
DELETE FROM mysql.tables_priv WHERE user LIKE 'mysqltest\_%';
DELETE FROM mysql.columns_priv WHERE user LIKE 'mysqltest\_%';
FLUSH PRIVILEGES;
CREATE TABLE t1 (i INT);
CREATE FUNCTION f_suid(i INT) RETURNS INT SQL SECURITY DEFINER RETURN 0;
CREATE PROCEDURE p_suid(IN i INT) SQL SECURITY DEFINER SET @c:= 0;
CREATE USER mysqltest_u1@localhost;
GRANT EXECUTE ON test.* TO mysqltest_u1@localhost;
CREATE DEFINER=mysqltest_u1@localhost FUNCTION f_evil () RETURNS INT
SQL SECURITY INVOKER
BEGIN
SET @a:= CURRENT_USER();
SET @b:= (SELECT COUNT(*) FROM t1);
RETURN @b;
END|
CREATE SQL SECURITY INVOKER VIEW v1 AS SELECT f_evil();
SELECT COUNT(*) FROM t1;
ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't1'
SELECT f_evil();
ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't1'
SELECT @a, @b;
@a	@b
mysqltest_u1@localhost	NULL
SELECT f_suid(f_evil());
ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't1'
SELECT @a, @b;
@a	@b
mysqltest_u1@localhost	NULL
CALL p_suid(f_evil());
ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't1'
SELECT @a, @b;
@a	@b
mysqltest_u1@localhost	NULL
SELECT * FROM v1;
ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 'v1'
SELECT @a, @b;
@a	@b
mysqltest_u1@localhost	NULL
DROP VIEW v1;
DROP FUNCTION f_evil;
DROP USER mysqltest_u1@localhost;
DROP PROCEDURE p_suid;
DROP FUNCTION f_suid;
DROP TABLE t1;
End of 5.0 tests.