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Annotation of embedaddon/sqlite3/test/thread002.test, revision 1.1

1.1     ! misho       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