AryaWu/sqlite

1# 2007 September 102#3# The author disclaims copyright to this source code.  In place of4# 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 17set testdir [file dirname $argv0]18 19set do_not_use_codec 120source $testdir/tester.tcl21if {[run_thread_tests]==0} { finish_test ; return }22ifcapable !shared_cache { finish_test ; return }23 24db close25set ::enable_shared_cache [sqlite3_enable_shared_cache 1]26 27set ::NTHREAD 1028 29do_test thread002.1 {30  # Create 3 databases with identical schemas:31  for {set ii 0} {$ii < 3} {incr ii} {32    forcedelete test${ii}.db33    sqlite3 db test${ii}.db34    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 close40  }41} {}42 43set 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 stdout65  }66 67  sqlite3_close $::DB68  list OK69}70 71set order_list [list {0 1 2} {0 2 1} {1 0 2} {1 2 0} {2 0 1} {2 1 0}]72 73array unset finished74for {set ii 0} {$ii < $::NTHREAD} {incr ii} {75  set order [lindex $order_list [expr $ii%6]]76  thread_spawn finished($ii) $thread_procs "set order {$order}" $thread_program77}78 79# Wait for all threads to finish,  then check they all returned "OK".80#81for {set i 0} {$i < $::NTHREAD} {incr i} {82  if {![info exists finished($i)]} {83    vwait finished($i)84  }85  do_test thread002.2.$i {86    set ::finished($i)87  } OK88}89 90# Check all three databases are Ok.91for {set ii 0} {$ii < 3} {incr ii} {92  do_test thread002.3.$ii {93    sqlite3 db test${ii}.db94    set res [list                         \95      [execsql {SELECT count(*) FROM t1}] \96      [execsql {PRAGMA integrity_check}]  \97    ]98    db close99    set res100  } [list [expr 1 + $::NTHREAD*100] ok]101}102 103sqlite3_enable_shared_cache $::enable_shared_cache104set sqlite_open_file_count 0105finish_test106