Adding the sqlite sourcecode
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Jiří Stach committed
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# 2020 May 06
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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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# TESTRUNNER: slow
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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source $testdir/lock_common.tcl
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set testprefix walsetlk
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ifcapable !wal {finish_test ; return }
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db timeout 1000
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#-------------------------------------------------------------------------
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# 1.*: Test that nothing goes wrong if recovery is forced while opening
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# a write transaction or performing a checkpoint with blocking locks.
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#
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do_execsql_test 1.0 {
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CREATE TABLE t1(x, y);
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PRAGMA journal_mode = wal;
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INSERT INTO t1 VALUES(1, 2);
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INSERT INTO t1 VALUES(3, 4);
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INSERT INTO t1 VALUES(5, 6);
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INSERT INTO t1 VALUES(7, 8);
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} {wal}
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sqlite3 db2 test.db
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db2 timeout 1000
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do_execsql_test -db db2 1.1 {
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SELECT * FROM t1
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} {1 2 3 4 5 6 7 8}
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set fd [open test.db-shm r+]
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puts $fd "blahblahblahblah"
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flush $fd
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do_execsql_test 1.2 {
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BEGIN;
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INSERT INTO t1 VALUES(9, 10);
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}
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do_execsql_test -db db2 1.3 {
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SELECT * FROM t1
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} {1 2 3 4 5 6 7 8}
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do_test 1.4 {
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list [catch {db2 eval { BEGIN EXCLUSIVE }} msg] $msg
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} {1 {database is locked}}
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do_execsql_test 1.5 { COMMIT }
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do_execsql_test -db db2 1.6 {
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SELECT * FROM t1
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} {1 2 3 4 5 6 7 8 9 10}
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puts $fd "blahblahblahblah"
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flush $fd
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do_execsql_test -db db2 1.7 {
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PRAGMA wal_checkpoint = TRUNCATE
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} {0 0 0}
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do_test 1.8 {
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file size test.db-wal
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} 0
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close $fd
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db close
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db2 close
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#-------------------------------------------------------------------------
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do_multiclient_test tn {
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testvfs tvfs -fullshm 1
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db close
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sqlite3 db test.db -vfs tvfs
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tvfs script xSleep_callback
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tvfs filter xSleep
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set ::sleep_count 0
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proc xSleep_callback {xSleep nMs} {
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after [expr $nMs / 1000]
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incr ::sleep_count
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}
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do_test 2.$tn.1 {
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sql1 {
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PRAGMA journal_mode = wal;
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CREATE TABLE t1(s, v);
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INSERT INTO t1 VALUES(1, 2);
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INSERT INTO t1 VALUES(3, 4);
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INSERT INTO t1 VALUES(5, 6);
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}
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code1 { db timeout 1100 }
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} {}
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do_test 2.$tn.2 {
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sql2 {
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BEGIN;
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INSERT INTO t1 VALUES(7, 8);
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}
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} {}
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do_test 2.$tn.3 {
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set us [lindex [time { catch {db eval "BEGIN EXCLUSIVE"} }] 0]
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expr $us>1000000 && $us<4000000
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} {1}
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do_test 2.$tn.4 {
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sql2 { COMMIT }
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sql1 { SELECT * FROM t1 }
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} {1 2 3 4 5 6 7 8}
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do_test 2.$tn.5 {
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sql2 {
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BEGIN;
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INSERT INTO t1 VALUES(9, 10);
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}
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} {}
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do_test 2.$tn.6 {
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set us [lindex [time { catch {db eval "PRAGMA wal_checkpoint=RESTART"} }] 0]
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expr $us>1000000 && $us<4000000
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} {1}
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do_test 2.$tn.7 {
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sql2 {
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COMMIT;
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BEGIN;
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SELECT * FROM t1;
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}
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} {1 2 3 4 5 6 7 8 9 10}
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do_test 2.$tn.8 {
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set us [lindex [time { catch {db eval "PRAGMA wal_checkpoint=RESTART"} }] 0]
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expr $us>1000000 && $us<4000000
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} {1}
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do_test 2.$tn.9 {
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sql3 {
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INSERT INTO t1 VALUES(11, 12);
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}
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sql2 {
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COMMIT;
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BEGIN;
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SELECT * FROM t1;
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}
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sql3 {
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INSERT INTO t1 VALUES(13, 14);
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}
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} {}
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do_test 2.$tn.10 {
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set us [lindex [time { catch {db eval "PRAGMA wal_checkpoint=RESTART"} }] 0]
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expr $us>1000000 && $us<4000000
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} {1}
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do_test 2.$tn.11 {
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sql3 {
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BEGIN;
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SELECT * FROM t1;
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}
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sql1 { INSERT INTO t1 VALUES(15, 16); }
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} {}
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do_test 2.$tn.12 {
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set us [lindex [time { catch {db eval "PRAGMA wal_checkpoint=RESTART"} }] 0]
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expr $us>1000000 && $us<4000000
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} {1}
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do_test 2.$tn.13 {
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sql2 {
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COMMIT;
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BEGIN;
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SELECT * FROM t1;
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}
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sql1 { INSERT INTO t1 VALUES(17, 18); }
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} {}
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do_test 2.$tn.14 {
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set us [lindex [time { catch {db eval "PRAGMA wal_checkpoint=RESTART"} }] 0]
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expr $us>1000000 && $us<4000000
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} {1}
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db close
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tvfs delete
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# Set bSleep to true if it is expected that the above used xSleep() to
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# wait for locks. bSleep is true unless SQLITE_ENABLE_SETLK_TIMEOUT is
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# set to 1 and either:
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#
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# * the OS is windows, or
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# * the OS is unix and the tests were run with each connection
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# in a separate process.
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#
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set bSleep 1
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if {$::sqlite_options(setlk_timeout)==1} {
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if {$::tcl_platform(platform) eq "windows"} {
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set bSleep 0
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}
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if {$::tcl_platform(platform) eq "unix"} {
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set bSleep [expr $tn==2]
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}
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}
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do_test 2.$tn.15.$bSleep {
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expr $::sleep_count > 0
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} $bSleep
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}
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#-------------------------------------------------------------------------
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reset_db
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testvfs tvfs -fullshm 1
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tvfs script xSleep_callback
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tvfs filter xSleep
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set ::sleep_count 0
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proc xSleep_callback {xSleep nMs} {
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after [expr $nMs / 1000]
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incr ::sleep_count
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breakpoint
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}
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sqlite3 db2 test.db -vfs tvfs
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db2 timeout 1000
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do_execsql_test 3.0 {
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PRAGMA journal_mode = wal;
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CREATE TABLE x1(x, y);
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BEGIN;
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INSERT INTO x1 VALUES(1, 2);
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} {wal}
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do_execsql_test -db db2 3.1a {
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SELECT * FROM x1
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} {}
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do_test 3.1b {
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list [catch { db2 eval {BEGIN EXCLUSIVE} } msg] $msg
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} {1 {database is locked}}
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# Set bExpect to true if calls to xSleep() are expected. Such calls are
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# expected unless this is an SQLITE_ENABLE_SETLK_TIMEOUT=1 build.
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set bExpect 1
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if {$tcl_platform(platform) eq "windows" && $::sqlite_options(setlk_timeout)==1} {
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set bExpect 0
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}
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do_test 3.2 {
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expr {$::sleep_count > 0}
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} $bExpect
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set ::sleep_count 0
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do_execsql_test 3.3 {
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COMMIT;
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}
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# Launch a non-blocking testfixture process to write-lock the
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# database for 2000 ms.
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testfixture_nb done {
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sqlite3 db test.db
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db eval {
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BEGIN EXCLUSIVE;
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INSERT INTO x1 VALUES(3, 4);
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}
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after 2000
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db eval {
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COMMIT
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}
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}
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after 500 {set ok 1}
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vwait ok
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db2 timeout 5000
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do_test 3.4 {
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set t [lindex [time { db2 eval { BEGIN EXCLUSIVE } }] 0]
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expr ($t>1000000)
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} {1}
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# Set bExpect to true if calls to xSleep() are expected. Such calls are
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# expected unless this is an SQLITE_ENABLE_SETLK_TIMEOUT=1 build.
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set bExpect 1
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if {$::sqlite_options(setlk_timeout)==1} {
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set bExpect 0
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}
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do_test 3.5 {
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expr {$::sleep_count > 0}
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} $bExpect
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do_execsql_test -db db2 3.6 {
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INSERT INTO x1 VALUES(5, 6);
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COMMIT;
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SELECT * FROM x1;
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} {1 2 3 4 5 6}
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# Launch a non-blocking testfixture process to write-lock the
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# database for 2000 ms.
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testfixture_nb done {
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sqlite3 db test.db
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db eval {
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BEGIN EXCLUSIVE;
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INSERT INTO x1 VALUES(7, 8);
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}
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after 2000
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db eval {
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COMMIT
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}
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db close
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}
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after 500 {set ok 1}
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vwait ok
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db2 timeout 0x7FFFFFFF
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do_test 3.7 {
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set t [lindex [time { db2 eval { BEGIN EXCLUSIVE } }] 0]
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expr ($t>1000000)
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} {1}
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# Set bExpect to true if calls to xSleep() are expected. Such calls are
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# expected unless this is an SQLITE_ENABLE_SETLK_TIMEOUT=1 build.
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set bExpect 1
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if {$::sqlite_options(setlk_timeout)==1} {
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set bExpect 0
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}
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do_test 3.8 {
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expr {$::sleep_count > 0}
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} $bExpect
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do_execsql_test -db db2 3.9 {
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INSERT INTO x1 VALUES(9, 10);
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COMMIT;
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SELECT * FROM x1;
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} {1 2 3 4 5 6 7 8 9 10}
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db2 close
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tvfs delete
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finish_test
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