3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
13 set testdir [file dirname $argv0]
14 source $testdir/tester.tcl
15 source $testdir/lock_common.tcl
16 source $testdir/malloc_common.tcl
18 if {[permutation] == "inmemory_journal"} {
23 if {$::tcl_platform(platform)=="windows"} {
28 set a_string_counter 1
30 global a_string_counter
32 string range [string repeat "${a_string_counter}." $n] 1 $n
34 db func a_string a_string
36 #-------------------------------------------------------------------------
37 # Test fault-injection while rolling back a hot-journal file.
39 do_test pagerfault-1-pre1 {
41 PRAGMA journal_mode = DELETE;
42 PRAGMA cache_size = 10;
43 CREATE TABLE t1(a UNIQUE, b UNIQUE);
44 INSERT INTO t1 VALUES(a_string(200), a_string(300));
45 INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
46 INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
48 INSERT INTO t1 SELECT a_string(201), a_string(301) FROM t1;
49 INSERT INTO t1 SELECT a_string(202), a_string(302) FROM t1;
50 INSERT INTO t1 SELECT a_string(203), a_string(303) FROM t1;
51 INSERT INTO t1 SELECT a_string(204), a_string(304) FROM t1;
53 faultsim_save_and_close
55 do_faultsim_test pagerfault-1 -prep {
56 faultsim_restore_and_reopen
58 execsql { SELECT count(*) FROM t1 }
60 faultsim_test_result {0 4}
61 faultsim_integrity_check
62 if {[db one { SELECT count(*) FROM t1 }] != 4} {
63 error "Database content appears incorrect"
67 #-------------------------------------------------------------------------
68 # Test fault-injection while rolling back a hot-journal file with a
69 # page-size different from the current value stored on page 1 of the
72 do_test pagerfault-2-pre1 {
76 proc xSyncCb {filename args} {
77 if {[string match *journal filename]==0} faultsim_save
79 faultsim_delete_and_reopen
81 PRAGMA page_size = 4096;
83 CREATE TABLE abc(a, b, c);
84 INSERT INTO abc VALUES('o', 't', 't');
85 INSERT INTO abc VALUES('f', 'f', 's');
86 INSERT INTO abc SELECT * FROM abc; -- 4
87 INSERT INTO abc SELECT * FROM abc; -- 8
88 INSERT INTO abc SELECT * FROM abc; -- 16
89 INSERT INTO abc SELECT * FROM abc; -- 32
90 INSERT INTO abc SELECT * FROM abc; -- 64
91 INSERT INTO abc SELECT * FROM abc; -- 128
92 INSERT INTO abc SELECT * FROM abc; -- 256
94 PRAGMA page_size = 1024;
100 do_faultsim_test pagerfault-2 -prep {
101 faultsim_restore_and_reopen
103 execsql { SELECT * FROM abc }
105 set answer [split [string repeat "ottffs" 128] ""]
106 faultsim_test_result [list 0 $answer]
107 faultsim_integrity_check
108 set res [db eval { SELECT * FROM abc }]
109 if {$res != $answer} { error "Database content appears incorrect ($res)" }
112 #-------------------------------------------------------------------------
113 # Test fault-injection while rolling back hot-journals that were created
114 # as part of a multi-file transaction.
116 do_test pagerfault-3-pre1 {
117 testvfs tstvfs -default 1
118 tstvfs filter xDelete
119 tstvfs script xDeleteCallback
121 proc xDeleteCallback {method file args} {
122 set file [file tail $file]
123 if { [string match *mj* $file] } { faultsim_save }
126 faultsim_delete_and_reopen
127 db func a_string a_string
130 ATTACH 'test.db2' AS aux;
131 PRAGMA journal_mode = DELETE;
132 PRAGMA main.cache_size = 10;
133 PRAGMA aux.cache_size = 10;
135 CREATE TABLE t1(a UNIQUE, b UNIQUE);
136 CREATE TABLE aux.t2(a UNIQUE, b UNIQUE);
137 INSERT INTO t1 VALUES(a_string(200), a_string(300));
138 INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
139 INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
140 INSERT INTO t2 SELECT * FROM t1;
143 INSERT INTO t1 SELECT a_string(201), a_string(301) FROM t1;
144 INSERT INTO t1 SELECT a_string(202), a_string(302) FROM t1;
145 INSERT INTO t1 SELECT a_string(203), a_string(303) FROM t1;
146 INSERT INTO t1 SELECT a_string(204), a_string(304) FROM t1;
147 REPLACE INTO t2 SELECT * FROM t1;
154 do_faultsim_test pagerfault-3 -prep {
155 faultsim_restore_and_reopen
158 ATTACH 'test.db2' AS aux;
159 SELECT count(*) FROM t2;
160 SELECT count(*) FROM t1;
163 faultsim_test_result {0 {4 4}} {1 {unable to open database: test.db2}}
164 faultsim_integrity_check
165 catchsql { ATTACH 'test.db2' AS aux }
166 if {[db one { SELECT count(*) FROM t1 }] != 4
167 || [db one { SELECT count(*) FROM t2 }] != 4
169 error "Database content appears incorrect"
173 #-------------------------------------------------------------------------
174 # Test fault-injection as part of a vanilla, no-transaction, INSERT
177 do_faultsim_test pagerfault-4 -prep {
178 faultsim_delete_and_reopen
182 INSERT INTO x VALUES('z');
186 faultsim_test_result {0 z}
187 faultsim_integrity_check
190 #-------------------------------------------------------------------------
191 # Test fault-injection as part of a commit when using journal_mode=PERSIST.
192 # Three different cases:
194 # pagerfault-5.1: With no journal_size_limit configured.
195 # pagerfault-5.2: With a journal_size_limit configured.
196 # pagerfault-5.4: Multi-file transaction. One connection has a
197 # journal_size_limit of 0, the other has no limit.
199 do_test pagerfault-5-pre1 {
200 faultsim_delete_and_reopen
201 db func a_string a_string
203 CREATE TABLE t1(a UNIQUE, b UNIQUE);
204 INSERT INTO t1 VALUES(a_string(200), a_string(300));
205 INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
206 INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
208 faultsim_save_and_close
210 do_faultsim_test pagerfault-5.1 -prep {
211 faultsim_restore_and_reopen
212 db func a_string a_string
213 execsql { PRAGMA journal_mode = PERSIST }
215 execsql { INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1 }
217 faultsim_test_result {0 {}}
218 faultsim_integrity_check
220 do_faultsim_test pagerfault-5.2 -prep {
221 faultsim_restore_and_reopen
222 db func a_string a_string
224 PRAGMA journal_mode = PERSIST;
225 PRAGMA journal_size_limit = 2048;
228 execsql { INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1 }
230 faultsim_test_result {0 {}}
231 faultsim_integrity_check
233 do_faultsim_test pagerfault-5.3 -faults oom-transient -prep {
234 faultsim_restore_and_reopen
235 db func a_string a_string
236 forcedelete test2.db test2.db-journal test2.db-wal
238 PRAGMA journal_mode = PERSIST;
239 ATTACH 'test2.db' AS aux;
240 PRAGMA aux.journal_mode = PERSIST;
241 PRAGMA aux.journal_size_limit = 0;
246 INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
247 CREATE TABLE aux.t2 AS SELECT * FROM t1;
251 faultsim_test_result {0 {}}
254 catchsql { ROLLBACK }
256 faultsim_integrity_check
258 set rc [catch { set res [db one { PRAGMA aux.integrity_check }] }]
259 if {$rc!=0 || $res != "ok"} {error "integrity-check problem:$rc $res"}
262 #-------------------------------------------------------------------------
263 # Test fault-injection as part of a commit when using
264 # journal_mode=TRUNCATE.
266 do_test pagerfault-6-pre1 {
267 faultsim_delete_and_reopen
268 db func a_string a_string
270 CREATE TABLE t1(a UNIQUE, b UNIQUE);
271 INSERT INTO t1 VALUES(a_string(200), a_string(300));
273 faultsim_save_and_close
276 do_faultsim_test pagerfault-6.1 -prep {
277 faultsim_restore_and_reopen
278 db func a_string a_string
279 execsql { PRAGMA journal_mode = TRUNCATE }
281 execsql { INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1 }
282 execsql { INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1 }
284 faultsim_test_result {0 {}}
285 faultsim_integrity_check
288 # The unix vfs xAccess() method considers a file zero bytes in size to
289 # "not exist". This proc overrides that behaviour so that a zero length
290 # file is considered to exist.
292 proc xAccess {method filename op args} {
293 if {$op != "SQLITE_ACCESS_EXISTS"} { return "" }
294 return [file exists $filename]
296 do_faultsim_test pagerfault-6.2 -faults cantopen-* -prep {
297 shmfault filter xAccess
298 shmfault script xAccess
300 faultsim_restore_and_reopen
301 db func a_string a_string
302 execsql { PRAGMA journal_mode = TRUNCATE }
304 execsql { INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1 }
305 execsql { INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1 }
307 faultsim_test_result {0 {}}
308 faultsim_integrity_check
311 # The following was an attempt to get a bitvec malloc to fail. Didn't work.
313 # do_test pagerfault-6-pre1 {
314 # faultsim_delete_and_reopen
316 # CREATE TABLE t1(x, y, UNIQUE(x, y));
317 # INSERT INTO t1 VALUES(1, randomblob(1501));
318 # INSERT INTO t1 VALUES(2, randomblob(1502));
319 # INSERT INTO t1 VALUES(3, randomblob(1503));
320 # INSERT INTO t1 VALUES(4, randomblob(1504));
322 # SELECT x, randomblob(1500+oid+(SELECT max(oid) FROM t1)) FROM t1;
324 # SELECT x, randomblob(1500+oid+(SELECT max(oid) FROM t1)) FROM t1;
326 # SELECT x, randomblob(1500+oid+(SELECT max(oid) FROM t1)) FROM t1;
328 # SELECT x, randomblob(1500+oid+(SELECT max(oid) FROM t1)) FROM t1;
330 # faultsim_save_and_close
332 # do_faultsim_test pagerfault-6 -prep {
333 # faultsim_restore_and_reopen
337 # UPDATE t1 SET x=x+4 WHERE x=1;
339 # UPDATE t1 SET x=x+4 WHERE x=2;
341 # UPDATE t1 SET x=x+4 WHERE x=3;
343 # UPDATE t1 SET x=x+4 WHERE x=4;
346 # SELECT DISTINCT x FROM t1;
349 # faultsim_test_result {0 {5 6 7 8}}
350 # faultsim_integrity_check
354 # This is designed to provoke a special case in the pager code:
356 # If an error (specifically, a FULL or IOERR error) occurs while writing a
357 # dirty page to the file-system in order to free up memory, the pager enters
358 # the "error state". An IO error causes SQLite to roll back the current
359 # transaction (exiting the error state). A FULL error, however, may only
360 # rollback the current statement.
362 # This block tests that nothing goes wrong if a FULL error occurs while
363 # writing a dirty page out to free memory from within a statement that has
364 # opened a statement transaction.
366 do_test pagerfault-7-pre1 {
367 faultsim_delete_and_reopen
369 CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
371 INSERT INTO t2 VALUES(NULL, randomblob(1500));
372 INSERT INTO t2 VALUES(NULL, randomblob(1500));
373 INSERT INTO t2 SELECT NULL, randomblob(1500) FROM t2; -- 4
374 INSERT INTO t2 SELECT NULL, randomblob(1500) FROM t2; -- 8
375 INSERT INTO t2 SELECT NULL, randomblob(1500) FROM t2; -- 16
376 INSERT INTO t2 SELECT NULL, randomblob(1500) FROM t2; -- 32
377 INSERT INTO t2 SELECT NULL, randomblob(1500) FROM t2; -- 64
379 CREATE TABLE t1(a PRIMARY KEY, b);
380 INSERT INTO t1 SELECT * FROM t2;
383 faultsim_save_and_close
385 do_faultsim_test pagerfault-7 -prep {
386 faultsim_restore_and_reopen
388 PRAGMA cache_size = 10;
390 UPDATE t1 SET b = randomblob(1500);
393 execsql { UPDATE t1 SET a = 65, b = randomblob(1500) WHERE (a+1)>200 }
396 faultsim_test_result {0 {}}
397 faultsim_integrity_check
400 do_test pagerfault-8-pre1 {
401 faultsim_delete_and_reopen
403 PRAGMA auto_vacuum = 1;
404 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
406 INSERT INTO t1 VALUES(NULL, randomblob(1500));
407 INSERT INTO t1 VALUES(NULL, randomblob(1500));
408 INSERT INTO t1 SELECT NULL, randomblob(1500) FROM t1; -- 4
409 INSERT INTO t1 SELECT NULL, randomblob(1500) FROM t1; -- 8
410 INSERT INTO t1 SELECT NULL, randomblob(1500) FROM t1; -- 16
411 INSERT INTO t1 SELECT NULL, randomblob(1500) FROM t1; -- 32
412 INSERT INTO t1 SELECT NULL, randomblob(1500) FROM t1; -- 64
415 faultsim_save_and_close
416 set filesize [file size test.db]
419 do_test pagerfault-8-pre2 {
420 faultsim_restore_and_reopen
421 execsql { DELETE FROM t1 WHERE a>32 }
422 expr {[file size test.db] < $filesize}
424 do_faultsim_test pagerfault-8 -prep {
425 faultsim_restore_and_reopen
428 DELETE FROM t1 WHERE a>32;
433 faultsim_test_result {0 {}}
434 faultsim_integrity_check
437 #-------------------------------------------------------------------------
438 # This test case is specially designed so that during a savepoint
439 # rollback, a new cache entry must be allocated (see comments surrounding
440 # the call to sqlite3PagerAcquire() from within pager_playback_one_page()
441 # for details). Test the effects of injecting an OOM at this point.
443 do_test pagerfault-9-pre1 {
444 faultsim_delete_and_reopen
446 PRAGMA auto_vacuum = incremental;
451 INSERT INTO t1 VALUES(randomblob(900));
452 INSERT INTO t1 VALUES(randomblob(900));
455 faultsim_save_and_close
457 do_faultsim_test pagerfault-9.1 -prep {
458 faultsim_restore_and_reopen
461 INSERT INTO t1 VALUES(randomblob(900));
462 INSERT INTO t1 VALUES(randomblob(900));
466 PRAGMA incremental_vacuum;
472 PRAGMA freelist_count
475 faultsim_test_result {0 2}
476 faultsim_integrity_check
478 set sl [db one { SELECT COALESCE(sum(length(x)), 'null') FROM t1 }]
479 if {$sl!="null" && $sl!=1800} {
480 error "Content looks no good... ($sl)"
484 #-------------------------------------------------------------------------
485 # Test fault injection with a temporary database file.
488 do_faultsim_test pagerfault-10$v -prep {
490 db func a_string a_string;
492 PRAGMA cache_size = 10;
494 CREATE TABLE xx(a, b, UNIQUE(a, b));
495 INSERT INTO xx VALUES(a_string(200), a_string(200));
496 INSERT INTO xx SELECT a_string(200), a_string(200) FROM xx;
497 INSERT INTO xx SELECT a_string(200), a_string(200) FROM xx;
498 INSERT INTO xx SELECT a_string(200), a_string(200) FROM xx;
499 INSERT INTO xx SELECT a_string(200), a_string(200) FROM xx;
503 execsql { UPDATE xx SET a = a_string(300) }
505 faultsim_test_result {0 {}}
506 if {$::v == "b"} { execsql { PRAGMA journal_mode = TRUNCATE } }
507 faultsim_integrity_check
508 faultsim_integrity_check
512 #-------------------------------------------------------------------------
513 # Test fault injection with transaction savepoints (savepoints created
514 # when a SAVEPOINT command is executed outside of any other savepoint
515 # or transaction context).
517 do_test pagerfault-9-pre1 {
518 faultsim_delete_and_reopen
519 db func a_string a_string;
521 PRAGMA auto_vacuum = on;
522 CREATE TABLE t1(x UNIQUE);
523 CREATE TABLE t2(y UNIQUE);
524 CREATE TABLE t3(z UNIQUE);
526 INSERT INTO t1 VALUES(a_string(202));
527 INSERT INTO t2 VALUES(a_string(203));
528 INSERT INTO t3 VALUES(a_string(204));
529 INSERT INTO t1 SELECT a_string(202) FROM t1;
530 INSERT INTO t1 SELECT a_string(203) FROM t1;
531 INSERT INTO t1 SELECT a_string(204) FROM t1;
532 INSERT INTO t1 SELECT a_string(205) FROM t1;
533 INSERT INTO t2 SELECT a_string(length(x)) FROM t1;
534 INSERT INTO t3 SELECT a_string(length(x)) FROM t1;
537 faultsim_save_and_close
539 do_faultsim_test pagerfault-11 -prep {
540 faultsim_restore_and_reopen
541 execsql { PRAGMA cache_size = 10 }
545 UPDATE t2 SET y = y||'2';
546 INSERT INTO t3 SELECT * FROM t2;
549 UPDATE t1 SET x = x||'3';
550 INSERT INTO t2 SELECT * FROM t1;
555 faultsim_test_result {0 {}}
556 faultsim_integrity_check
560 #-------------------------------------------------------------------------
561 # Test fault injection when writing to a database file that resides on
562 # a file-system with a sector-size larger than the database page-size.
564 do_test pagerfault-12-pre1 {
565 testvfs ss_layer -default 1
566 ss_layer sectorsize 4096
567 faultsim_delete_and_reopen
568 db func a_string a_string;
571 PRAGMA page_size = 1024;
572 PRAGMA journal_mode = PERSIST;
573 PRAGMA cache_size = 10;
575 CREATE TABLE t1(x, y UNIQUE);
576 INSERT INTO t1 VALUES(a_string(333), a_string(444));
577 INSERT INTO t1 SELECT a_string(333+rowid), a_string(444+rowid) FROM t1;
578 INSERT INTO t1 SELECT a_string(333+rowid), a_string(444+rowid) FROM t1;
579 INSERT INTO t1 SELECT a_string(333+rowid), a_string(444+rowid) FROM t1;
580 INSERT INTO t1 SELECT a_string(333+rowid), a_string(444+rowid) FROM t1;
581 INSERT INTO t1 SELECT a_string(44), a_string(55) FROM t1 LIMIT 13;
584 faultsim_save_and_close
587 do_faultsim_test pagerfault-12a -prep {
588 faultsim_restore_and_reopen
589 execsql { PRAGMA cache_size = 10 }
590 db func a_string a_string;
593 UPDATE t1 SET x = a_string(length(x)), y = a_string(length(y));
596 faultsim_test_result {0 {}}
597 faultsim_integrity_check
600 do_test pagerfault-12-pre2 {
601 faultsim_restore_and_reopen
603 CREATE TABLE t2 AS SELECT * FROM t1 LIMIT 10;
605 faultsim_save_and_close
607 do_faultsim_test pagerfault-12b -prep {
608 faultsim_restore_and_reopen
609 db func a_string a_string;
610 execsql { SELECT * FROM t1 }
612 set sql(1) { UPDATE t2 SET x = a_string(280) }
613 set sql(2) { UPDATE t1 SET x = a_string(280) WHERE rowid = 5 }
615 db eval { SELECT rowid FROM t1 LIMIT 2 } { db eval $sql($rowid) }
618 faultsim_test_result {0 {}}
619 faultsim_integrity_check
626 #-------------------------------------------------------------------------
627 # Test fault injection when SQLite opens a database where the size of the
628 # database file is zero bytes but the accompanying journal file is larger
629 # than that. In this scenario SQLite should delete the journal file
630 # without rolling it back, even if it is in all other respects a valid
633 do_test pagerfault-13-pre1 {
634 faultsim_delete_and_reopen
635 db func a_string a_string;
637 PRAGMA journal_mode = PERSIST;
639 CREATE TABLE t1(x, y UNIQUE);
640 INSERT INTO t1 VALUES(a_string(333), a_string(444));
647 do_faultsim_test pagerfault-13 -prep {
648 faultsim_restore_and_reopen
650 execsql { CREATE TABLE xx(a, b) }
652 faultsim_test_result {0 {}}
655 #---------------------------------------------------------------------------
656 # Test fault injection into a small backup operation.
658 do_test pagerfault-14-pre1 {
659 faultsim_delete_and_reopen
660 db func a_string a_string;
662 PRAGMA journal_mode = PERSIST;
663 ATTACH 'test.db2' AS two;
665 CREATE TABLE t1(x, y UNIQUE);
666 CREATE TABLE two.t2(x, y UNIQUE);
667 INSERT INTO t1 VALUES(a_string(333), a_string(444));
668 INSERT INTO t2 VALUES(a_string(333), a_string(444));
671 faultsim_save_and_close
674 do_faultsim_test pagerfault-14a -prep {
675 faultsim_restore_and_reopen
677 if {[catch {db backup test.db2} msg]} { error [regsub {.*: } $msg {}] }
679 faultsim_test_result {0 {}} {1 {}} {1 {SQL logic error}}
682 # If TEMP_STORE is 2 or greater, then the database [db2] will be created
683 # as an in-memory database. This test will not work in that case, as it
684 # is not possible to change the page-size of an in-memory database. Even
685 # using the backup API.
687 # Update: It is no longer possible to change the page size of any temp
688 # database after it has been created.
690 do_faultsim_test pagerfault-14b -prep {
692 faultsim_restore_and_reopen
694 db2 eval { PRAGMA page_size = 4096; CREATE TABLE xx(a) }
696 sqlite3_backup B db2 main db main
699 if {[string match SQLITE_IOERR_* $rc]} {set rc SQLITE_IOERR}
700 if {$rc != "SQLITE_OK"} { error [sqlite3_test_errstr $rc] }
703 faultsim_test_result {1 {attempt to write a readonly database}} \
704 {1 {sqlite3_backup_init() failed}}
707 do_faultsim_test pagerfault-14c -prep {
709 faultsim_restore_and_reopen
712 PRAGMA synchronous = off;
713 PRAGMA page_size = 4096;
717 sqlite3_backup B db2 main db main
720 if {[string match SQLITE_IOERR_* $rc]} {set rc SQLITE_IOERR}
721 if {$rc != "SQLITE_OK"} { error [sqlite3_test_errstr $rc] }
724 faultsim_test_result {0 {}} {1 {sqlite3_backup_init() failed}}
727 do_test pagerfault-15-pre1 {
728 faultsim_delete_and_reopen
729 db func a_string a_string;
732 CREATE TABLE t1(x, y UNIQUE);
733 INSERT INTO t1 VALUES(a_string(11), a_string(22));
734 INSERT INTO t1 VALUES(a_string(11), a_string(22));
737 faultsim_save_and_close
739 do_faultsim_test pagerfault-15 -prep {
740 faultsim_restore_and_reopen
741 db func a_string a_string;
743 db eval { SELECT * FROM t1 LIMIT 1 } {
745 BEGIN; INSERT INTO t1 VALUES(a_string(333), a_string(555)); COMMIT;
746 BEGIN; INSERT INTO t1 VALUES(a_string(333), a_string(555)); COMMIT;
750 faultsim_test_result {0 {}}
751 faultsim_integrity_check
755 do_test pagerfault-16-pre1 {
756 faultsim_delete_and_reopen
757 execsql { CREATE TABLE t1(x, y UNIQUE) }
758 faultsim_save_and_close
760 do_faultsim_test pagerfault-16 -prep {
761 faultsim_restore_and_reopen
764 PRAGMA locking_mode = exclusive;
765 PRAGMA journal_mode = wal;
766 INSERT INTO t1 VALUES(1, 2);
767 INSERT INTO t1 VALUES(3, 4);
768 PRAGMA journal_mode = delete;
769 INSERT INTO t1 VALUES(4, 5);
770 PRAGMA journal_mode = wal;
771 INSERT INTO t1 VALUES(6, 7);
772 PRAGMA journal_mode = persist;
773 INSERT INTO t1 VALUES(8, 9);
776 faultsim_test_result {0 {exclusive wal delete wal persist}}
777 faultsim_integrity_check
781 #-------------------------------------------------------------------------
782 # Test fault injection while changing into and out of WAL mode.
784 do_test pagerfault-17-pre1 {
785 faultsim_delete_and_reopen
787 CREATE TABLE t1(a PRIMARY KEY, b);
788 INSERT INTO t1 VALUES(1862, 'Botha');
789 INSERT INTO t1 VALUES(1870, 'Smuts');
790 INSERT INTO t1 VALUES(1866, 'Hertzog');
792 faultsim_save_and_close
794 do_faultsim_test pagerfault-17a -prep {
795 faultsim_restore_and_reopen
798 PRAGMA journal_mode = wal;
799 PRAGMA journal_mode = delete;
802 faultsim_test_result {0 {wal delete}}
803 faultsim_integrity_check
805 do_faultsim_test pagerfault-17b -prep {
806 faultsim_restore_and_reopen
807 execsql { PRAGMA synchronous = OFF }
810 PRAGMA journal_mode = wal;
811 INSERT INTO t1 VALUES(22, 'Clarke');
812 PRAGMA journal_mode = delete;
815 faultsim_test_result {0 {wal delete}}
816 faultsim_integrity_check
818 do_faultsim_test pagerfault-17c -prep {
819 faultsim_restore_and_reopen
821 PRAGMA locking_mode = exclusive;
822 PRAGMA journal_mode = wal;
825 execsql { PRAGMA journal_mode = delete }
827 faultsim_test_result {0 delete}
828 faultsim_integrity_check
830 do_faultsim_test pagerfault-17d -prep {
832 faultsim_restore_and_reopen
834 execsql { PRAGMA journal_mode = delete }
835 execsql { PRAGMA journal_mode = wal }
836 execsql { INSERT INTO t1 VALUES(99, 'Bradman') } db2
838 execsql { PRAGMA journal_mode = delete }
840 faultsim_test_result {1 {database is locked}}
841 faultsim_integrity_check
843 do_faultsim_test pagerfault-17e -prep {
845 faultsim_restore_and_reopen
847 execsql { PRAGMA journal_mode = delete }
848 execsql { PRAGMA journal_mode = wal }
849 set ::chan [launch_testfixture]
850 testfixture $::chan {
852 db eval { INSERT INTO t1 VALUES(101, 'Latham') }
854 catch { testfixture $::chan sqlite_abort }
855 catch { close $::chan }
857 execsql { PRAGMA journal_mode = delete }
859 faultsim_test_result {0 delete}
860 faultsim_integrity_check
863 #-------------------------------------------------------------------------
864 # Test fault-injection when changing from journal_mode=persist to
865 # journal_mode=delete (this involves deleting the journal file).
867 do_test pagerfault-18-pre1 {
868 faultsim_delete_and_reopen
871 INSERT INTO qq VALUES('Herbert');
872 INSERT INTO qq VALUES('Macalister');
873 INSERT INTO qq VALUES('Mackenzie');
874 INSERT INTO qq VALUES('Lilley');
875 INSERT INTO qq VALUES('Palmer');
877 faultsim_save_and_close
879 do_faultsim_test pagerfault-18 -prep {
880 faultsim_restore_and_reopen
882 PRAGMA journal_mode = PERSIST;
883 INSERT INTO qq VALUES('Beatty');
886 execsql { PRAGMA journal_mode = delete }
888 faultsim_test_result {0 delete}
889 faultsim_integrity_check
892 do_faultsim_test pagerfault-19a -prep {
894 db func a_string a_string
896 PRAGMA auto_vacuum = FULL;
898 CREATE TABLE t1(a, b);
899 INSERT INTO t1 VALUES(a_string(5000), a_string(6000));
904 CREATE TABLE t2(a, b);
905 INSERT INTO t2 SELECT * FROM t1;
909 faultsim_test_result {0 {}}
912 do_test pagerfault-19-pre1 {
913 faultsim_delete_and_reopen
915 PRAGMA auto_vacuum = FULL;
916 CREATE TABLE t1(x); INSERT INTO t1 VALUES(1);
917 CREATE TABLE t2(x); INSERT INTO t2 VALUES(2);
918 CREATE TABLE t3(x); INSERT INTO t3 VALUES(3);
919 CREATE TABLE t4(x); INSERT INTO t4 VALUES(4);
920 CREATE TABLE t5(x); INSERT INTO t5 VALUES(5);
921 CREATE TABLE t6(x); INSERT INTO t6 VALUES(6);
923 faultsim_save_and_close
925 do_faultsim_test pagerfault-19b -prep {
926 faultsim_restore_and_reopen
930 UPDATE t4 SET x = x+1;
931 UPDATE t6 SET x = x+1;
933 UPDATE t3 SET x = x+1;
943 faultsim_test_result {0 {3 5 7}}
946 #-------------------------------------------------------------------------
947 # This tests fault-injection in a special case in the auto-vacuum code.
949 do_test pagerfault-20-pre1 {
950 faultsim_delete_and_reopen
952 PRAGMA cache_size = 10;
953 PRAGMA auto_vacuum = FULL;
954 CREATE TABLE t0(a, b);
956 faultsim_save_and_close
958 do_faultsim_test pagerfault-20 -prep {
959 faultsim_restore_and_reopen
963 CREATE TABLE t1(a, b);
964 CREATE TABLE t2(a, b);
969 faultsim_test_result {0 {}}
972 do_test pagerfault-21-pre1 {
973 faultsim_delete_and_reopen
975 PRAGMA cache_size = 10;
976 CREATE TABLE t0(a PRIMARY KEY, b);
977 INSERT INTO t0 VALUES(1, 2);
979 faultsim_save_and_close
981 do_faultsim_test pagerfault-21 -prep {
982 faultsim_restore_and_reopen
984 db eval { SELECT * FROM t0 LIMIT 1 } {
985 db eval { INSERT INTO t0 SELECT a+1, b FROM t0 }
986 db eval { INSERT INTO t0 SELECT a+2, b FROM t0 }
989 faultsim_test_result {0 {}}
993 #-------------------------------------------------------------------------
994 # Test fault-injection and rollback when the nReserve header value
997 do_test pagerfault-21-pre1 {
998 faultsim_delete_and_reopen
1000 PRAGMA page_size = 1024;
1001 PRAGMA journal_mode = WAL;
1002 PRAGMA journal_mode = DELETE;
1005 hexio_write test.db 20 10
1006 hexio_write test.db 105 03F0
1008 db func a_string a_string
1010 CREATE TABLE t0(a PRIMARY KEY, b UNIQUE);
1011 INSERT INTO t0 VALUES(a_string(222), a_string(333));
1012 INSERT INTO t0 VALUES(a_string(223), a_string(334));
1013 INSERT INTO t0 VALUES(a_string(224), a_string(335));
1014 INSERT INTO t0 VALUES(a_string(225), a_string(336));
1016 faultsim_save_and_close
1019 do_faultsim_test pagerfault-21 -prep {
1020 faultsim_restore_and_reopen
1022 execsql { INSERT INTO t0 SELECT a||'x', b||'x' FROM t0 }
1024 faultsim_test_result {0 {}}
1025 faultsim_integrity_check
1027 ifcapable crashtest {
1028 faultsim_delete_and_reopen
1030 PRAGMA page_size = 1024;
1031 PRAGMA journal_mode = WAL;
1032 PRAGMA journal_mode = DELETE;
1035 hexio_write test.db 20 10
1036 hexio_write test.db 105 03F0
1039 db func a_string a_string
1041 CREATE TABLE t0(a PRIMARY KEY, b UNIQUE);
1042 INSERT INTO t0 VALUES(a_string(222), a_string(333));
1043 INSERT INTO t0 VALUES(a_string(223), a_string(334));
1045 faultsim_save_and_close
1047 for {set iTest 1} {$iTest<50} {incr iTest} {
1048 do_test pagerfault-21.crash.$iTest.1 {
1049 crashsql -delay 1 -file test.db -seed $iTest {
1051 CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
1052 INSERT INTO t1 SELECT a, b FROM t0;
1055 } {1 {child process exited abnormally}}
1056 do_test pagerfault-22.$iTest.2 {
1058 execsql { PRAGMA integrity_check }
1065 #-------------------------------------------------------------------------
1066 # When a 3.7.0 client opens a write-transaction on a database file that
1067 # has been appended to or truncated by a pre-370 client, it updates
1068 # the db-size in the file header immediately. This test case provokes
1069 # errors during that operation.
1071 do_test pagerfault-22-pre1 {
1072 faultsim_delete_and_reopen
1073 db func a_string a_string
1075 PRAGMA page_size = 1024;
1076 PRAGMA auto_vacuum = 0;
1078 CREATE INDEX i1 ON t1(a);
1079 INSERT INTO t1 VALUES(a_string(3000));
1081 INSERT INTO t2 VALUES(1);
1084 sql36231 { INSERT INTO t1 VALUES(a_string(3000)) }
1085 faultsim_save_and_close
1087 do_faultsim_test pagerfault-22 -prep {
1088 faultsim_restore_and_reopen
1090 execsql { INSERT INTO t2 VALUES(2) }
1091 execsql { SELECT * FROM t2 }
1093 faultsim_test_result {0 {1 2}}
1094 faultsim_integrity_check
1097 #-------------------------------------------------------------------------
1098 # Provoke an OOM error during a commit of multi-file transaction. One of
1099 # the databases written during the transaction is an in-memory database.
1100 # This test causes rollback of the in-memory database after CommitPhaseOne()
1101 # has successfully returned. i.e. the series of calls for the aborted commit
1104 # PagerCommitPhaseOne(<in-memory-db>) -> SQLITE_OK
1105 # PagerCommitPhaseOne(<file-db>) -> SQLITE_IOERR
1106 # PagerRollback(<in-memory-db>)
1107 # PagerRollback(<file-db>)
1109 do_faultsim_test pagerfault-23 -prep {
1111 foreach f [glob -nocomplain test.db*] { forcedelete $f }
1113 ATTACH 'test.db2' AS aux;
1114 CREATE TABLE t1(a, b);
1115 CREATE TABLE aux.t2(a, b);
1120 INSERT INTO t1 VALUES(1,2);
1121 INSERT INTO t2 VALUES(3,4);
1125 faultsim_test_result {0 {}}
1126 faultsim_integrity_check
1129 do_faultsim_test pagerfault-24 -prep {
1130 faultsim_delete_and_reopen
1131 db eval { PRAGMA temp_store = file }
1132 execsql { CREATE TABLE x(a, b) }
1134 execsql { CREATE TEMP TABLE t1(a, b) }
1136 faultsim_test_result {0 {}} \
1137 {1 {unable to open a temporary database file for storing temporary tables}}
1138 set ic [db eval { PRAGMA temp.integrity_check }]
1139 if {$ic != "ok"} { error "Integrity check: $ic" }
1143 if {$n==0} { return "" }
1144 db eval { SELECT * FROM t1 WHERE oid = $n } {
1145 return [lockrows [expr {$n-1}]]
1150 do_test pagerfault-25-pre1 {
1151 faultsim_delete_and_reopen
1152 db func a_string a_string
1154 PRAGMA page_size = 1024;
1155 PRAGMA auto_vacuum = 0;
1157 INSERT INTO t1 VALUES(a_string(500));
1158 INSERT INTO t1 SELECT a_string(500) FROM t1;
1159 INSERT INTO t1 SELECT a_string(500) FROM t1;
1160 INSERT INTO t1 SELECT a_string(500) FROM t1;
1161 INSERT INTO t1 SELECT a_string(500) FROM t1;
1162 INSERT INTO t1 SELECT a_string(500) FROM t1;
1164 faultsim_save_and_close
1166 do_faultsim_test pagerfault-25 -prep {
1167 faultsim_restore_and_reopen
1168 db func a_string a_string
1169 set ::channel [db incrblob -readonly t1 a 1]
1171 PRAGMA cache_size = 10;
1173 INSERT INTO t1 VALUES(a_string(3000));
1174 INSERT INTO t1 VALUES(a_string(3000));
1179 catch { lockrows 30 }
1180 catch { db eval COMMIT }
1182 faultsim_test_result {0 {}}
1185 do_faultsim_test pagerfault-26 -prep {
1186 faultsim_delete_and_reopen
1188 PRAGMA page_size = 1024;
1189 PRAGMA journal_mode = truncate;
1190 PRAGMA auto_vacuum = full;
1191 PRAGMA locking_mode=exclusive;
1192 CREATE TABLE t1(a, b);
1193 INSERT INTO t1 VALUES(1, 2);
1194 PRAGMA page_size = 4096;
1201 faultsim_test_result {0 {}}
1203 set contents [db eval {SELECT * FROM t1}]
1204 if {$contents != "1 2"} { error "Bad database contents ($contents)" }
1206 if {[atomic_batch_write test.db]==0} {
1207 set sz [file size test.db]
1208 if {$testrc!=0 && $sz!=1024*3 && $sz!=4096*3} {
1209 error "Expected file size 3072 or 12288 bytes - actual size $sz bytes"
1211 if {$testrc==0 && $sz!=4096*3} {
1212 error "Expected file size to be 12288 bytes - actual size $sz bytes"
1217 do_test pagerfault-27-pre {
1218 faultsim_delete_and_reopen
1219 db func a_string a_string
1221 PRAGMA page_size = 1024;
1222 CREATE TABLE t1(a, b);
1223 CREATE TABLE t2(a UNIQUE, b UNIQUE);
1224 INSERT INTO t2 VALUES( a_string(800), a_string(800) );
1225 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1226 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1227 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1228 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1229 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1230 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1231 INSERT INTO t1 VALUES (a_string(20000), a_string(20000));
1233 faultsim_save_and_close
1235 do_faultsim_test pagerfault-27 -faults ioerr-persistent -prep {
1236 faultsim_restore_and_reopen
1237 db func a_string a_string
1239 PRAGMA cache_size = 10;
1242 set ::channel [db incrblob t1 a 1]
1244 puts $::channel [string repeat abc 6000]
1247 catchsql { UPDATE t2 SET a = a_string(800), b = a_string(800) }
1248 catch { close $::channel }
1249 catchsql { ROLLBACK }
1250 faultsim_integrity_check
1254 #-------------------------------------------------------------------------
1256 do_test pagerfault-28-pre {
1257 faultsim_delete_and_reopen
1258 db func a_string a_string
1260 PRAGMA page_size = 512;
1262 PRAGMA journal_mode = wal;
1263 PRAGMA wal_autocheckpoint = 0;
1264 PRAGMA cache_size = 100000;
1267 CREATE TABLE t2(a UNIQUE, b UNIQUE);
1268 INSERT INTO t2 VALUES( a_string(800), a_string(800) );
1269 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1270 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1271 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1272 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1273 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1274 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1275 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1276 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1277 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1278 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1279 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1281 CREATE TABLE t1(a PRIMARY KEY, b);
1283 expr {[file size test.db-shm] >= 96*1024}
1285 faultsim_save_and_close
1287 do_faultsim_test pagerfault-28a -faults oom* -prep {
1288 faultsim_restore_and_reopen
1289 execsql { PRAGMA mmap_size=0 }
1292 db2 eval { SELECT count(*) FROM t2 }
1294 db func a_string a_string
1297 INSERT INTO t1 VALUES(a_string(2000), a_string(2000));
1298 INSERT INTO t1 VALUES(a_string(2000), a_string(2000));
1300 set ::STMT [sqlite3_prepare db "SELECT * FROM t1 ORDER BY a" -1 DUMMY]
1301 sqlite3_step $::STMT
1303 execsql { ROLLBACK }
1306 sqlite3_finalize $::STMT
1307 catchsql { ROLLBACK }
1308 faultsim_integrity_check
1311 faultsim_restore_and_reopen
1313 db2 eval {SELECT count(*) FROM t2}
1316 do_faultsim_test pagerfault-28b -faults oom* -prep {
1319 execsql { SELECT count(*) FROM t2 }
1321 faultsim_test_result {0 2048}
1327 #-------------------------------------------------------------------------
1330 # 1) Put the pager in ERROR state (error during rollback)
1332 # 2) Next time the connection is used inject errors into all xWrite() and
1333 # xUnlock() calls. This causes the hot-journal rollback to fail and
1334 # the pager to declare its locking state UNKNOWN.
1338 # 4a) Stop injecting errors. Allow the rollback to succeed. Check that
1339 # the database is Ok. Or,
1341 # 4b) Close and reopen the db. Check that the db is Ok.
1343 proc custom_injectinstall {} {
1344 testvfs custom -default true
1345 custom filter {xWrite xUnlock}
1347 proc custom_injectuninstall {} {
1352 proc custom_injectstart {iFail} {
1353 custom ioerr $iFail 1
1355 proc custom_injectstop {} {
1358 set ::FAULTSIM(custom) [list \
1359 -injectinstall custom_injectinstall \
1360 -injectstart custom_injectstart \
1361 -injectstop custom_injectstop \
1362 -injecterrlist {{1 {disk I/O error}}} \
1363 -injectuninstall custom_injectuninstall \
1366 do_test pagerfault-29-pre {
1367 faultsim_delete_and_reopen
1368 db func a_string a_string
1370 PRAGMA page_size = 1024;
1371 PRAGMA cache_size = 5;
1374 CREATE TABLE t2(a UNIQUE, b UNIQUE);
1375 INSERT INTO t2 VALUES( a_string(800), a_string(800) );
1376 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1377 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1378 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1379 INSERT INTO t2 SELECT a_string(800), a_string(800) FROM t2;
1382 expr {[file size test.db] >= 50*1024}
1384 faultsim_save_and_close
1386 29 { catchsql ROLLBACK }
1387 30 { db close ; sqlite3 db test.db }
1389 do_faultsim_test pagerfault-$tn -faults custom -prep {
1390 faultsim_restore_and_reopen
1391 db func a_string a_string
1393 PRAGMA cache_size = 5;
1395 UPDATE t2 SET a = a_string(799);
1403 if {"ok" != [db one {PRAGMA integrity_check}]} {
1404 error "integrity check failed"
1409 do_test pagerfault-31-pre {
1411 sqlite3_config_uri 1
1413 do_faultsim_test pagerfault-31 -faults oom* -body {
1414 sqlite3 db {file:one?mode=memory&cache=shared}
1417 INSERT INTO t1 VALUES(1);
1421 faultsim_test_result {0 1} {1 {}}
1425 sqlite3_config_uri 0
1427 do_test pagerfault-32-pre {
1431 INSERT INTO t1 VALUES('one');
1434 faultsim_save_and_close
1436 do_faultsim_test pagerfault-32 -prep {
1437 faultsim_restore_and_reopen
1438 db eval { SELECT * FROM t1; }
1440 execsql { SELECT * FROM t1; }
1442 faultsim_test_result {0 one}
1445 sqlite3_config_uri 0
1447 do_faultsim_test pagerfault-33a -prep {
1450 CREATE TABLE t1(a, b);
1451 INSERT INTO t1 VALUES(1, 2);
1456 faultsim_test_result {0 {}}
1458 do_faultsim_test pagerfault-33b -prep {
1461 CREATE TABLE t1(a, b);
1462 INSERT INTO t1 VALUES(1, 2);
1467 faultsim_test_result {0 {}}
1470 do_test pagerfault-34-pre {
1473 CREATE TABLE t1(x PRIMARY KEY);
1476 faultsim_save_and_close
1477 do_faultsim_test pagerfault-34 -prep {
1478 faultsim_restore_and_reopen
1481 INSERT INTO t1 VALUES( randomblob(4000) );
1487 faultsim_test_result {0 {}}
1490 do_test pagerfault-35-pre {
1491 faultsim_delete_and_reopen
1493 CREATE TABLE t1(x PRIMARY KEY, y);
1494 INSERT INTO t1 VALUES(randomblob(200), randomblob(200));
1495 INSERT INTO t1 SELECT randomblob(200), randomblob(200) FROM t1;
1496 INSERT INTO t1 SELECT randomblob(200), randomblob(200) FROM t1;
1497 INSERT INTO t1 SELECT randomblob(200), randomblob(200) FROM t1;
1499 faultsim_save_and_close
1501 testvfs tv -default 1
1504 do_faultsim_test pagerfault-35 -prep {
1505 faultsim_restore_and_reopen
1507 execsql { UPDATE t1 SET x=randomblob(200) }
1509 faultsim_test_result {0 {}}
1515 sqlite3_config_uri 1
1516 do_test pagerfault-36-pre {
1517 faultsim_delete_and_reopen
1519 CREATE TABLE t1(x PRIMARY KEY, y);
1520 INSERT INTO t1 VALUES(randomblob(200), randomblob(200));
1521 INSERT INTO t1 SELECT randomblob(200), randomblob(200) FROM t1;
1522 INSERT INTO t1 SELECT randomblob(200), randomblob(200) FROM t1;
1523 INSERT INTO t1 SELECT randomblob(200), randomblob(200) FROM t1;
1525 faultsim_save_and_close
1527 do_faultsim_test pagerfault-36 -prep {
1529 sqlite3 db file:test.db?cache=shared
1530 sqlite3 db2 file:test.db?cache=shared
1533 SELECT count(*) FROM sqlite_master;
1536 PRAGMA cache_size = 1;
1538 UPDATE t1 SET x = randomblob(200);
1543 catch { db eval {UPDATE t1 SET x = randomblob(200)} }
1544 faultsim_test_result {0 {}}
1550 sqlite3_config_uri 0