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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 14:07:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 14:07:11 +0000
commit63847496f14c813a5d80efd5b7de0f1294ffe1e3 (patch)
tree01c7571c7c762ceee70638549a99834fdd7c411b /test/sync2.test
parentInitial commit. (diff)
downloadsqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.tar.xz
sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.zip
Adding upstream version 3.45.1.upstream/3.45.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# 2017 March 16
+#
+# 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.
+#
+# Specificly, it tests that "PRAGMA synchronous" appears to work.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix sync2
+
+#
+# These tests are only applicable when pager pragma are
+# enabled. Also, since every test uses an ATTACHed database, they
+# are only run when ATTACH is enabled.
+#
+ifcapable !pager_pragmas||!attach||!dirsync {
+ finish_test
+ return
+}
+if {$::tcl_platform(platform)!="unix"
+ || [permutation] == "journaltest"
+ || [permutation] == "inmemory_journal"
+ || [atomic_batch_write test.db]
+} {
+ finish_test
+ return
+}
+
+proc execsql_sync {sql} {
+ set s $::sqlite_sync_count
+ set res [execsql $sql]
+ concat [expr $::sqlite_sync_count-$s] $res
+}
+
+proc do_execsql_sync_test {tn sql res} {
+ uplevel [list do_test $tn [list execsql_sync $sql] [list {*}$res]]
+}
+
+#-----------------------------------------------------------------------
+# Tests for journal mode.
+#
+sqlite3 db test.db
+do_execsql_test 1.0 {
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES(1, 2);
+}
+
+do_execsql_sync_test 1.1 { INSERT INTO t1 VALUES(3, 4) } 4
+
+# synchronous=normal. So, 1 sync on the directory, 1 on the journal, 1
+# on the db file. 3 in total.
+do_execsql_test 1.2.1 { PRAGMA main.synchronous = NORMAL }
+do_execsql_test 1.2.2 { PRAGMA main.synchronous } 1
+do_execsql_sync_test 1.2.3 { INSERT INTO t1 VALUES(5, 6) } 3
+
+# synchronous=off. No syncs.
+do_execsql_test 1.3.1 { PRAGMA main.synchronous = OFF }
+do_execsql_test 1.3.2 { PRAGMA main.synchronous } 0
+do_execsql_sync_test 1.3.3 { INSERT INTO t1 VALUES(7, 8) } 0
+
+# synchronous=full, journal_mode=delete. So, 1 sync on the directory,
+# 2 on the journal, 1 on the db file. 4 in total.
+do_execsql_test 1.4.1 { PRAGMA main.synchronous = FULL }
+do_execsql_test 1.4.2 { PRAGMA main.synchronous } 2
+do_execsql_sync_test 1.4.3 { INSERT INTO t1 VALUES(9, 10) } 4
+
+#-----------------------------------------------------------------------
+# Tests for wal mode.
+#
+do_execsql_test 1.5 { PRAGMA journal_mode = wal } {wal}
+
+# sync=full, journal_mode=wal. One sync on the directory, two on the
+# wal file.
+do_execsql_sync_test 1.6 { INSERT INTO t1 VALUES(11, 12) } 3
+
+# One sync on the wal file.
+do_execsql_sync_test 1.7 { INSERT INTO t1 VALUES(13, 14) } 1
+
+# No syncs.
+do_execsql_test 1.8.1 { PRAGMA main.synchronous = NORMAL }
+do_execsql_test 1.8.2 { PRAGMA main.synchronous } 1
+do_execsql_sync_test 1.8.3 { INSERT INTO t1 VALUES(15, 16) } 0
+
+# One sync on wal file, one on the db file.
+do_execsql_sync_test 1.9 { PRAGMA wal_checkpoint } {2 0 3 3}
+
+# No syncs.
+do_execsql_test 1.10.1 { PRAGMA main.synchronous = OFF }
+do_execsql_test 1.10.2 { PRAGMA main.synchronous } 0
+do_execsql_sync_test 1.10.3 { INSERT INTO t1 VALUES(17, 18) } 0
+
+#-----------------------------------------------------------------------
+# Tests for the compile time settings SQLITE_DEFAULT_SYNCHRONOUS and
+# SQLITE_DEFAULT_WAL_SYNCHRONOUS. These tests only run if the former
+# is set to "2" and the latter to "1". This is not the default, but
+# it is currently the recommended configuration.
+#
+# https://sqlite.org/compile.html#recommended_compile_time_options
+#
+if {$SQLITE_DEFAULT_SYNCHRONOUS==2 && $SQLITE_DEFAULT_WAL_SYNCHRONOUS==1} {
+
+ db close
+ sqlite3 db test.db
+
+ # Wal mode, sync=normal. The first transaction does one sync on directory,
+ # one on the wal file. The second does no syncs.
+ do_execsql_sync_test 1.11.1 { INSERT INTO t1 VALUES(19, 20) } 2
+ do_execsql_sync_test 1.11.2 { INSERT INTO t1 VALUES(21, 22) } 0
+ do_execsql_test 1.11.3 { PRAGMA main.synchronous } 1
+
+ # One sync on wal file, one on the db file.
+ do_execsql_sync_test 1.12 { PRAGMA wal_checkpoint } {2 0 2 2}
+
+ # First transaction syncs the wal file once, the second not at all.
+ # one on the wal file. The second does no syncs.
+ do_execsql_sync_test 1.13.1 { INSERT INTO t1 VALUES(22, 23) } 1
+ do_execsql_sync_test 1.13.2 { INSERT INTO t1 VALUES(24, 25) } 0
+
+ do_execsql_test 1.14 { PRAGMA journal_mode = delete } {delete}
+
+ # Delete mode, sync=full. The first transaction does one sync on
+ # directory, two on the journal file, one on the db. The second does
+ # the same.
+ do_execsql_sync_test 1.15.1 { INSERT INTO t1 VALUES(26, 27) } 4
+ do_execsql_sync_test 1.15.2 { INSERT INTO t1 VALUES(28, 29) } 4
+ do_execsql_test 1.15.3 { PRAGMA main.synchronous } 2
+
+ # Switch back to wal mode.
+ do_execsql_test 1.16 { PRAGMA journal_mode = wal } {wal}
+
+ do_execsql_sync_test 1.17.1 { INSERT INTO t1 VALUES(30, 31) } 2
+ do_execsql_sync_test 1.17.2 { INSERT INTO t1 VALUES(32, 33) } 0
+ do_execsql_test 1.17.3 { PRAGMA main.synchronous } 1
+
+ # Now set synchronous=off, then switch back to delete mode. Check
+ # that the db handle is still using synchronous=off.
+ do_execsql_test 1.18.3 { PRAGMA main.synchronous=off }
+ do_execsql_test 1.18 { PRAGMA journal_mode = delete } {delete}
+
+ do_execsql_sync_test 1.19.1 { INSERT INTO t1 VALUES(34, 35) } 0
+ do_execsql_sync_test 1.19.2 { INSERT INTO t1 VALUES(36, 37) } 0
+ do_execsql_test 1.19.3 { PRAGMA main.synchronous } 0
+
+ # Close and reopen the db. Back to synchronous=normal.
+ db close
+ sqlite3 db test.db
+ do_execsql_sync_test 1.20.1 { INSERT INTO t1 VALUES(38, 39) } 4
+ do_execsql_sync_test 1.20.2 { INSERT INTO t1 VALUES(40, 41) } 4
+ do_execsql_test 1.20.3 { PRAGMA main.synchronous } 2
+}
+
+finish_test