OLD | NEW |
| (Empty) |
1 # 2010 September 20 | |
2 # | |
3 # The author disclaims copyright to this source code. In place of | |
4 # a legal notice, here is a blessing: | |
5 # | |
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. | |
9 # | |
10 #*********************************************************************** | |
11 # This file implements regression tests for SQLite library. | |
12 # | |
13 # This file implements tests to verify that ticket [313723c356] has been | |
14 # fixed. | |
15 # | |
16 | |
17 set testdir [file dirname $argv0] | |
18 source $testdir/tester.tcl | |
19 source $testdir/malloc_common.tcl | |
20 | |
21 ifcapable !wal { finish_test ; return } | |
22 | |
23 do_execsql_test tkt-313723c356.1 { | |
24 PRAGMA page_size = 1024; | |
25 PRAGMA journal_mode = WAL; | |
26 CREATE TABLE t1(a, b); | |
27 CREATE INDEX i1 ON t1(a, b); | |
28 INSERT INTO t1 VALUES(randomblob(400), randomblob(400)); | |
29 INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; | |
30 INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; | |
31 INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; | |
32 INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; | |
33 } {wal} | |
34 faultsim_save_and_close | |
35 | |
36 do_faultsim_test tkt-313723c356.2 -faults shmerr* -prep { | |
37 faultsim_restore_and_reopen | |
38 sqlite3 db2 test.db | |
39 db eval { SELECT * FROM t1 } | |
40 db2 eval { UPDATE t1 SET a = randomblob(399) } | |
41 db2 close | |
42 } -body { | |
43 # At this point, the cache contains all of table t1 and none of index i1. The | |
44 # cache is out of date. When the bug existed and the right xShmLock() fails | |
45 # in the following statement, the internal cache of the WAL header was | |
46 # being updated, but the contents of the page-cache not flushed. This causes | |
47 # the integrity-check in the "-test" code to fail, as it is comparing the | |
48 # cached (out-of-date) version of table t1 with the on disk (up-to-date) | |
49 # version of index i1. | |
50 # | |
51 execsql { SELECT min(rowid) FROM t1 } | |
52 } -test { | |
53 faultsim_test_result {0 1} | |
54 faultsim_integrity_check | |
55 } | |
56 | |
57 finish_test | |
OLD | NEW |