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# 2025 September 5
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The
# focus of this file is testing the operation of the library in
# "PRAGMA wal_checkpoint = noop" mode.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
source $testdir/malloc_common.tcl
source $testdir/wal_common.tcl
set testprefix walckptnoop
ifcapable !wal {finish_test ; return }
set VAL 123
proc myrand {} {
global VAL
set A 1103515245
set C 12345
set M 2147483648
set VAL [expr {($A * $VAL + $C) % $M}]
return $VAL
}
proc myrandomblob {n} {
set l [list]
for {set i 0} {$i < $n} {incr i} {
lappend l [expr [myrand] % 256]
}
binary format c* $l
}
db func myrandomblob myrandomblob
do_execsql_test 1.0 {
PRAGMA page_size=1024;
PRAGMA auto_vacuum=NONE;
PRAGMA secure_delete=OFF;
VACUUM;
CREATE TABLE t1(x INTEGER PRIMARY KEY, y TEXT);
CREATE INDEX i1 ON t1(y);
PRAGMA journal_mode = wal;
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000
)
INSERT INTO t1 SELECT NULL, hex(myrandomblob(64)) FROM s;
} {0 wal}
do_execsql_test 1.1 {
PRAGMA wal_checkpoint = noop;
} {0 298 0}
do_execsql_test 1.2 {
PRAGMA wal_checkpoint = noop;
} {0 298 0}
do_execsql_test 1.3 {
PRAGMA wal_checkpoint = passive;
} {0 298 298}
do_execsql_test 1.4 {
PRAGMA wal_checkpoint = noop;
} {0 298 298}
db_save_and_close
db_restore_and_reopen
do_execsql_test 1.5 {
PRAGMA wal_checkpoint = noop;
} {0 298 0}
db close
sqlite3 db test.db
db eval {
PRAGMA auto_vacuum=NONE;
PRAGMA secure_delete=OFF;
}
do_execsql_test 1.6 {
PRAGMA wal_checkpoint = noop;
} {0 0 0}
do_catchsql_test 1.7 {
BEGIN;
DELETE FROM t1;
PRAGMA wal_checkpoint = noop;
} {1 {database table is locked}}
do_catchsql_test 1.8 {
COMMIT;
PRAGMA wal_checkpoint = noop;
} {0 {0 5 0}}
do_execsql_test 1.9 {
PRAGMA journal_mode = delete;
PRAGMA wal_checkpoint = noop;
} {delete 0 -1 -1}
finish_test
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