|
1 # 2007 April 24 |
|
2 # |
|
3 # The author disclaims copyright to this source code. In place of |
|
4 # a legal notice, here is a blessing: |
|
5 # |
|
6 # May you do good and not evil. |
|
7 # May you find forgiveness for yourself and forgive others. |
|
8 # May you share freely, never taking more than you give. |
|
9 # |
|
10 #*********************************************************************** |
|
11 # This file implements regression tests for SQLite library. |
|
12 # |
|
13 # This file implements tests to make sure SQLite treats a database |
|
14 # as readonly if its write version is set to high. |
|
15 # |
|
16 # $Id: rdonly.test,v 1.2 2008/07/08 10:19:58 danielk1977 Exp $ |
|
17 |
|
18 set testdir [file dirname $argv0] |
|
19 source $testdir/tester.tcl |
|
20 |
|
21 |
|
22 # Create a database. |
|
23 # |
|
24 do_test rdonly-1.1 { |
|
25 execsql { |
|
26 CREATE TABLE t1(x); |
|
27 INSERT INTO t1 VALUES(1); |
|
28 SELECT * FROM t1; |
|
29 } |
|
30 } {1} |
|
31 |
|
32 # Changes the write version from 1 to 2. Verify that the database |
|
33 # can be read but not written. |
|
34 # |
|
35 do_test rdonly-1.2 { |
|
36 db close |
|
37 hexio_get_int [hexio_read test.db 18 1] |
|
38 } 1 |
|
39 do_test rdonly-1.3 { |
|
40 hexio_write test.db 18 02 |
|
41 sqlite3 db test.db |
|
42 execsql { |
|
43 SELECT * FROM t1; |
|
44 } |
|
45 } {1} |
|
46 do_test rdonly-1.4 { |
|
47 catchsql { |
|
48 INSERT INTO t1 VALUES(2) |
|
49 } |
|
50 } {1 {attempt to write a readonly database}} |
|
51 |
|
52 # Change the write version back to 1. Verify that the database |
|
53 # is read-write again. |
|
54 # |
|
55 do_test rdonly-1.5 { |
|
56 db close |
|
57 hexio_write test.db 18 01 |
|
58 sqlite3 db test.db |
|
59 catchsql { |
|
60 INSERT INTO t1 VALUES(2); |
|
61 SELECT * FROM t1; |
|
62 } |
|
63 } {0 {1 2}} |
|
64 |
|
65 # Now, after connection [db] has loaded the database schema, modify the |
|
66 # write-version of the file (and the change-counter, so that the |
|
67 # write-version is reloaded). This way, SQLite does not discover that |
|
68 # the database is read-only until after it is locked. |
|
69 # |
|
70 do_test rdonly-1.6 { |
|
71 hexio_write test.db 18 02 ; # write-version |
|
72 hexio_write test.db 24 11223344 ; # change-counter |
|
73 catchsql { |
|
74 INSERT INTO t1 VALUES(2); |
|
75 } |
|
76 } {1 {attempt to write a readonly database}} |
|
77 |
|
78 finish_test |