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| 1 # 2007 September 10 | |
| 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 # | |
| 12 # This test attempts to deadlock SQLite in shared-cache mode. | |
| 13 # | |
| 14 # | |
| 15 # $Id: thread002.test,v 1.9 2009/03/26 14:48:07 danielk1977 Exp $ | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 | |
| 19 set do_not_use_codec 1 | |
| 20 source $testdir/tester.tcl | |
| 21 if {[run_thread_tests]==0} { finish_test ; return } | |
| 22 | |
| 23 | |
| 24 db close | |
| 25 set ::enable_shared_cache [sqlite3_enable_shared_cache 1] | |
| 26 | |
| 27 set ::NTHREAD 10 | |
| 28 | |
| 29 do_test thread002.1 { | |
| 30 # Create 3 databases with identical schemas: | |
| 31 for {set ii 0} {$ii < 3} {incr ii} { | |
| 32 forcedelete test${ii}.db | |
| 33 sqlite3 db test${ii}.db | |
| 34 execsql { | |
| 35 CREATE TABLE t1(k, v); | |
| 36 CREATE INDEX t1_i ON t1(v); | |
| 37 INSERT INTO t1(v) VALUES(1.0); | |
| 38 } | |
| 39 db close | |
| 40 } | |
| 41 } {} | |
| 42 | |
| 43 set thread_program { | |
| 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${ii}" | |
| 48 } | |
| 49 | |
| 50 for {set ii 0} {$ii < 100} {incr ii} { | |
| 51 execsql { SELECT * FROM aux1.t1 } | |
| 52 execsql { INSERT INTO aux1.t1(v) SELECT sum(v) FROM aux2.t1 } | |
| 53 | |
| 54 execsql { SELECT * FROM aux2.t1 } | |
| 55 execsql { INSERT INTO aux2.t1(v) SELECT sum(v) FROM aux3.t1 } | |
| 56 | |
| 57 execsql { SELECT * FROM aux3.t1 } | |
| 58 execsql { INSERT INTO aux3.t1(v) SELECT sum(v) FROM aux1.t1 } | |
| 59 | |
| 60 execsql { CREATE TABLE IF NOT EXISTS aux1.t2(a,b) } | |
| 61 execsql { DROP TABLE IF EXISTS aux1.t2 } | |
| 62 | |
| 63 # if {($ii%10)==0} {puts -nonewline . ; flush stdout} | |
| 64 puts -nonewline . ; flush stdout | |
| 65 } | |
| 66 | |
| 67 sqlite3_close $::DB | |
| 68 list OK | |
| 69 } | |
| 70 | |
| 71 set order_list [list {0 1 2} {0 2 1} {1 0 2} {1 2 0} {2 0 1} {2 1 0}] | |
| 72 | |
| 73 array unset finished | |
| 74 for {set ii 0} {$ii < $::NTHREAD} {incr ii} { | |
| 75 set order [lindex $order_list [expr $ii%6]] | |
| 76 thread_spawn finished($ii) $thread_procs "set order {$order}" $thread_program | |
| 77 } | |
| 78 | |
| 79 # Wait for all threads to finish, then check they all returned "OK". | |
| 80 # | |
| 81 for {set i 0} {$i < $::NTHREAD} {incr i} { | |
| 82 if {![info exists finished($i)]} { | |
| 83 vwait finished($i) | |
| 84 } | |
| 85 do_test thread002.2.$i { | |
| 86 set ::finished($i) | |
| 87 } OK | |
| 88 } | |
| 89 | |
| 90 # Check all three databases are Ok. | |
| 91 for {set ii 0} {$ii < 3} {incr ii} { | |
| 92 do_test thread002.3.$ii { | |
| 93 sqlite3 db test${ii}.db | |
| 94 set res [list \ | |
| 95 [execsql {SELECT count(*) FROM t1}] \ | |
| 96 [execsql {PRAGMA integrity_check}] \ | |
| 97 ] | |
| 98 db close | |
| 99 set res | |
| 100 } [list [expr 1 + $::NTHREAD*100] ok] | |
| 101 } | |
| 102 | |
| 103 sqlite3_enable_shared_cache $::enable_shared_cache | |
| 104 set sqlite_open_file_count 0 | |
| 105 finish_test | |
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Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
