| # 2007 April 24 |
| # |
| # 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. |
| # |
| # This file implements tests to make sure SQLite treats a database |
| # as readonly if its write version is set to high. |
| # |
| # $Id: rdonly.test,v 1.2 2008/07/08 10:19:58 danielk1977 Exp $ |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| # Do not use a codec for tests in this file, as the database file is |
| # manipulated directly using tcl scripts (using the [hexio_write] command). |
| # |
| do_not_use_codec |
| |
| # Create a database. |
| # |
| do_test rdonly-1.1 { |
| execsql { |
| CREATE TABLE t1(x); |
| INSERT INTO t1 VALUES(1); |
| SELECT * FROM t1; |
| } |
| } {1} |
| |
| # Changes the write version from 1 to 3. Verify that the database |
| # can be read but not written. |
| # |
| do_test rdonly-1.2 { |
| db close |
| hexio_get_int [hexio_read test.db 18 1] |
| } 1 |
| do_test rdonly-1.3 { |
| hexio_write test.db 18 03 |
| sqlite3 db test.db |
| execsql { |
| SELECT * FROM t1; |
| } |
| } {1} |
| do_test rdonly-1.4 { |
| catchsql { |
| INSERT INTO t1 VALUES(2) |
| } |
| } {1 {attempt to write a readonly database}} |
| |
| # Change the write version back to 1. Verify that the database |
| # is read-write again. |
| # |
| do_test rdonly-1.5 { |
| db close |
| hexio_write test.db 18 01 |
| sqlite3 db test.db |
| catchsql { |
| INSERT INTO t1 VALUES(2); |
| SELECT * FROM t1; |
| } |
| } {0 {1 2}} |
| |
| # Now, after connection [db] has loaded the database schema, modify the |
| # write-version of the file (and the change-counter, so that the |
| # write-version is reloaded). This way, SQLite does not discover that |
| # the database is read-only until after it is locked. |
| # |
| set ro_version 02 |
| ifcapable wal { set ro_version 03 } |
| do_test rdonly-1.6 { |
| hexio_write test.db 18 $ro_version ; # write-version |
| hexio_write test.db 24 11223344 ; # change-counter |
| catchsql { |
| INSERT INTO t1 VALUES(2); |
| } |
| } {1 {attempt to write a readonly database}} |
| |
| finish_test |