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 #***********************************************************************
12 # This test attempts to deadlock SQLite in shared-cache mode.
15 # $Id: thread002.test,v 1.9 2009/03/26 14:48:07 danielk1977 Exp $
17 set testdir [file dirname $argv0]
19 set do_not_use_codec 1
20 source $testdir/tester.tcl
21 if {[run_thread_tests]==0} { finish_test ; return }
25 set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
30 # Create 3 databases with identical schemas:
31 for {set ii 0} {$ii < 3} {incr ii} {
32 forcedelete test${ii}.db
33 sqlite3 db test${ii}.db
35 CREATE TABLE t1(k, v);
36 CREATE INDEX t1_i ON t1(v);
37 INSERT INTO t1(v) VALUES(1.0);
44 set ::DB [sqlite3_open test.db]
45 for {set ii 1} {$ii <= 3} {incr ii} {
46 set T [lindex $order [expr $ii-1]]
47 execsql "ATTACH 'test${T}.db' AS aux${ii}"
50 for {set ii 0} {$ii < 100} {incr ii} {
51 execsql { SELECT * FROM aux1.t1 }
52 execsql { INSERT INTO aux1.t1(v) SELECT sum(v) FROM aux2.t1 }
54 execsql { SELECT * FROM aux2.t1 }
55 execsql { INSERT INTO aux2.t1(v) SELECT sum(v) FROM aux3.t1 }
57 execsql { SELECT * FROM aux3.t1 }
58 execsql { INSERT INTO aux3.t1(v) SELECT sum(v) FROM aux1.t1 }
60 execsql { CREATE TABLE IF NOT EXISTS aux1.t2(a,b) }
61 execsql { DROP TABLE IF EXISTS aux1.t2 }
63 # if {($ii%10)==0} {puts -nonewline . ; flush stdout}
64 puts -nonewline . ; flush stdout
71 set order_list [list {0 1 2} {0 2 1} {1 0 2} {1 2 0} {2 0 1} {2 1 0}]
74 for {set ii 0} {$ii < $::NTHREAD} {incr ii} {
75 set order [lindex $order_list [expr $ii%6]]
76 thread_spawn finished($ii) $thread_procs "set order {$order}" $thread_program
79 # Wait for all threads to finish, then check they all returned "OK".
81 for {set i 0} {$i < $::NTHREAD} {incr i} {
82 if {![info exists finished($i)]} {
85 do_test thread002.2.$i {
90 # Check all three databases are Ok.
91 for {set ii 0} {$ii < 3} {incr ii} {
92 do_test thread002.3.$ii {
93 sqlite3 db test${ii}.db
95 [execsql {SELECT count(*) FROM t1}] \
96 [execsql {PRAGMA integrity_check}] \
100 } [list [expr 1 + $::NTHREAD*100] ok]
103 sqlite3_enable_shared_cache $::enable_shared_cache
104 set sqlite_open_file_count 0