# 2017 April 25
#
# 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 script is testing the server mode of SQLite.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix serverwal
# Check files are created and deleted as expected.
#
do_execsql_test 1.0 {
PRAGMA journal_mode = wal;
} {wal}
do_execsql_test 1.1 {
CREATE TABLE t1(a, b);
}
do_execsql_test 1.2 {
SELECT * FROM t1;
} {}
do_test 1.3 {
lsort [glob test.db*]
} {test.db test.db-hma test.db-shm test.db-wal}
do_test 1.4 {
db close
glob test.db*
} {test.db}
#-------------------------------------------------------------------------
# Two concurrent transactions.
#
do_test 2.0 {
sqlite3 db test.db
sqlite3 db2 test.db
db eval {
CREATE TABLE t2(a, b);
}
} {}
do_test 2.1 {
execsql {
BEGIN;
INSERT INTO t1 VALUES(1, 2);
} db
execsql {
BEGIN;
INSERT INTO t2 VALUES(1, 2);
} db2
} {}
do_test 2.2 {
execsql COMMIT db
execsql COMMIT db2
} {}
db close
#-------------------------------------------------------------------------
# That the wal file can be wrapped around.
#
reset_db
do_execsql_test 3.0 {
PRAGMA journal_mode = wal;
CREATE TABLE ttt(a, b);
INSERT INTO ttt VALUES(1, 2);
INSERT INTO ttt VALUES(3, 4);
INSERT INTO ttt VALUES(5, 6);
INSERT INTO ttt VALUES(7, 8);
INSERT INTO ttt VALUES(9, 10);
} {wal}
do_test 3.1 {
set N [file size test.db-wal]
execsql {
PRAGMA wal_checkpoint;
INSERT INTO ttt VALUES(11, 12);
INSERT INTO ttt VALUES(13, 14);
}
expr {$N == [file size test.db-wal]}
} {1}
finish_test