xref: /sqlite-3.40.0/test/rowallock.test (revision 3f09beda)
1
2# 2015-05-28
3#
4# The author disclaims copyright to this source code.  In place of
5# a legal notice, here is a blessing:
6#
7#    May you do good and not evil.
8#    May you find forgiveness for yourself and forgive others.
9#    May you share freely, never taking more than you give.
10#
11#***********************************************************************
12# This file implements regression tests for SQLite library.  The
13# focus of this file is testing locks on read-only WAL-mode databases.
14
15set testdir [file dirname $argv0]
16source $testdir/tester.tcl
17source $testdir/lock_common.tcl
18set testprefix rowallock
19
20do_multiclient_test tn {
21  code2 { db2 close }
22  code3 { db3 close }
23
24  do_execsql_test 1.$tn.1 {
25    PRAGMA page_size = 4096;
26    CREATE TABLE t1(a, b);
27    CREATE TABLE t2(a, b);
28    INSERT INTO t1 VALUES(1, 2), (3, 4);
29    PRAGMA journal_mode = wal;
30  } {wal}
31
32  code1 {
33    db close
34    sqlite3 db test.db -readonly 1
35  }
36
37  do_execsql_test 1.$tn.2 {
38    PRAGMA mmap_size = 1000000;
39  } {1000000}
40  do_execsql_test 1.$tn.2.1 {
41    SELECT * FROM t1;
42  } {1 2 3 4}
43
44  do_catchsql_test 1.$tn.3 {
45    INSERT INTO t1 VALUES(5, 6);
46  } {1 {attempt to write a readonly database}}
47
48  do_test 1.$tn.4 {
49    code2 { sqlite3 db2 test.db }
50    sql2 { INSERT INTO t1 VALUES(5, 6); }
51    code2 { db2 close }
52    file exists test.db-wal
53  } {1}
54
55  do_test 1.$tn.5 {
56    sql1 { SELECT * FROM t2 }
57    code1 { db close }
58    file exists test.db-wal
59  } {1}
60}
61
62finish_test
63