113 lines
3.0 KiB
Plaintext
113 lines
3.0 KiB
Plaintext
# 2010 April 19
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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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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the operation of the library in
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# "PRAGMA journal_mode=WAL" mode.
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#
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# More specifically, this file contains regression tests for the
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# sqlite3_wal_hook() mechanism, including the sqlite3_wal_autocheckpoint()
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# and "PRAGMA wal_autocheckpoint" convenience interfaces.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !wal {finish_test ; return }
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proc log_file_size {nFrame pgsz} {
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expr {12 + ($pgsz+16)*$nFrame}
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}
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set ::wal_hook [list]
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proc wal_hook {zDb nEntry} {
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lappend ::wal_hook $zDb $nEntry
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return 0
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}
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db wal_hook wal_hook
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do_test walhook-1.1 {
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execsql {
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PRAGMA page_size = 1024;
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PRAGMA auto_vacuum = 0;
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PRAGMA journal_mode = wal;
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PRAGMA synchronous = normal;
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CREATE TABLE t1(i PRIMARY KEY, j);
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}
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set ::wal_hook
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} {main 3}
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do_test walhook-1.2 {
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set ::wal_hook [list]
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execsql { INSERT INTO t1 VALUES(1, 'one') }
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set ::wal_hook
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} {main 5}
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do_test walhook-1.3 {
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proc wal_hook {args} { db eval {PRAGMA wal_checkpoint}; return 0 }
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execsql { INSERT INTO t1 VALUES(2, 'two') }
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file size test.db
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} [expr 3*1024]
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do_test walhook-1.4 {
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proc wal_hook {zDb nEntry} {
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execsql { PRAGMA wal_checkpoint }
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return 0
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}
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execsql { CREATE TABLE t2(a, b) }
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file size test.db
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} [expr 4*1024]
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do_test walhook-1.5 {
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sqlite3 db2 test.db
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proc wal_hook {zDb nEntry} {
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execsql { PRAGMA wal_checkpoint } db2
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return 0
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}
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execsql { CREATE TABLE t3(a PRIMARY KEY, b) }
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file size test.db
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} [expr 6*1024]
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db2 close
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db close
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sqlite3 db test.db
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do_test walhook-2.1 {
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execsql { PRAGMA synchronous = NORMAL }
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execsql { PRAGMA wal_autocheckpoint }
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} {1000}
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do_test walhook-2.2 {
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execsql { PRAGMA wal_autocheckpoint = 10}
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} {10}
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do_test walhook-2.3 {
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execsql { PRAGMA wal_autocheckpoint }
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} {10}
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#
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# The database connection is configured with "PRAGMA wal_autocheckpoint = 10".
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# Check that transactions are written to the log file until it contains at
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# least 10 frames, then the database is checkpointed. Subsequent transactions
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# are written into the start of the log file.
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#
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foreach {tn sql dbpages logpages} {
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4 "CREATE TABLE t4(x PRIMARY KEY, y)" 6 3
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5 "INSERT INTO t4 VALUES(1, 'one')" 6 5
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6 "INSERT INTO t4 VALUES(2, 'two')" 6 7
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7 "INSERT INTO t4 VALUES(3, 'three')" 6 9
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8 "INSERT INTO t4 VALUES(4, 'four')" 8 11
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9 "INSERT INTO t4 VALUES(5, 'five')" 8 11
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} {
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do_test walhook-2.$tn {
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execsql $sql
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list [file size test.db] [file size test.db-wal]
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} [list [expr $dbpages*1024] [log_file_size $logpages 1024]]
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}
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catch { db2 close }
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catch { db close }
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finish_test
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