146 lines
3.8 KiB
Plaintext
146 lines
3.8 KiB
Plaintext
# 2007 September 7
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# $Id: thread001.test,v 1.10 2009/03/26 14:48:07 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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if {[run_thread_tests]==0} { finish_test ; return }
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set ::enable_shared_cache [sqlite3_enable_shared_cache]
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set ::NTHREAD 10
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# Run this test three times:
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#
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# 1) All threads use the same database handle.
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# 2) All threads use their own database handles.
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# 3) All threads use their own database handles, shared-cache is enabled.
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#
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#
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#
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foreach {tn same_db shared_cache} [list \
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1 1 0 \
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2 0 0 \
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3 0 1 \
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] {
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# Empty the database.
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#
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catchsql { DROP TABLE ab; }
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do_test thread001.$tn.0 {
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db close
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sqlite3_enable_shared_cache $shared_cache
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sqlite3_enable_shared_cache $shared_cache
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} $shared_cache
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sqlite3 db test.db -fullmutex 1 -key xyzzy
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set dbconfig ""
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if {$same_db} {
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set dbconfig [list set ::DB [sqlite3_connection_pointer db]]
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}
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# Set up a database and a schema. The database contains a single
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# table with two columns. The first column ("a") is an INTEGER PRIMARY
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# KEY. The second contains the md5sum of all rows in the table with
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# a smaller value stored in column "a".
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#
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do_test thread001.$tn.1 {
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execsql {
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CREATE TABLE ab(a INTEGER PRIMARY KEY, b);
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CREATE INDEX ab_i ON ab(b);
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INSERT INTO ab SELECT NULL, md5sum(a, b) FROM ab;
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SELECT count(*) FROM ab;
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}
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} {1}
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do_test thread001.$tn.2 {
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execsql {
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SELECT
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(SELECT md5sum(a, b) FROM ab WHERE a < (SELECT max(a) FROM ab)) ==
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(SELECT b FROM ab WHERE a = (SELECT max(a) FROM ab))
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}
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} {1}
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do_test thread001.$tn.3 {
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execsql { PRAGMA integrity_check }
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} {ok}
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set thread_program {
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#sqlthread parent {puts STARTING..}
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set needToClose 0
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if {![info exists ::DB]} {
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set ::DB [sqlthread open test.db xyzzy]
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#sqlthread parent "puts \"OPEN $::DB\""
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set needToClose 1
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}
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for {set i 0} {$i < 100} {incr i} {
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# Test that the invariant is true.
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do_test t1 {
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execsql {
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SELECT
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(SELECT md5sum(a, b) FROM ab WHERE +a < (SELECT max(a) FROM ab)) ==
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(SELECT b FROM ab WHERE a = (SELECT max(a) FROM ab))
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}
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} {1}
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# Add another row to the database.
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execsql { INSERT INTO ab SELECT NULL, md5sum(a, b) FROM ab }
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}
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if {$needToClose} {
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#sqlthread parent "puts \"CLOSE $::DB\""
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sqlite3_close $::DB
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}
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#sqlthread parent "puts \"DONE\""
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list OK
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}
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# Kick off $::NTHREAD threads:
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#
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array unset finished
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for {set i 0} {$i < $::NTHREAD} {incr i} {
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thread_spawn finished($i) $dbconfig $thread_procs $thread_program
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}
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# Wait for all threads to finish, then check they all returned "OK".
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#
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for {set i 0} {$i < $::NTHREAD} {incr i} {
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if {![info exists finished($i)]} {
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vwait finished($i)
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}
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do_test thread001.$tn.4.$i {
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set ::finished($i)
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} OK
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}
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# Check the database still looks Ok.
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#
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do_test thread001.$tn.5 {
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execsql { SELECT count(*) FROM ab; }
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} [expr {1 + $::NTHREAD*100}]
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do_test thread001.$tn.6 {
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execsql {
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SELECT
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(SELECT md5sum(a, b) FROM ab WHERE +a < (SELECT max(a) FROM ab)) ==
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(SELECT b FROM ab WHERE a = (SELECT max(a) FROM ab))
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}
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} {1}
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do_test thread001.$tn.7 {
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execsql { PRAGMA integrity_check }
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} {ok}
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}
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sqlite3_enable_shared_cache $::enable_shared_cache
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set sqlite_open_file_count 0
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finish_test
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