85 lines
2.1 KiB
Plaintext
85 lines
2.1 KiB
Plaintext
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# 2007 April 24
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library.
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#
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# This file implements tests to make sure SQLite treats a database
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# as readonly if its write version is set to high.
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#
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# $Id: rdonly.test,v 1.2 2008/07/08 10:19:58 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Do not use a codec for tests in this file, as the database file is
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# manipulated directly using tcl scripts (using the [hexio_write] command).
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#
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do_not_use_codec
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# Create a database.
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#
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do_test rdonly-1.1 {
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execsql {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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SELECT * FROM t1;
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}
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} {1}
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# Changes the write version from 1 to 3. Verify that the database
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# can be read but not written.
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#
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do_test rdonly-1.2 {
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db close
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hexio_get_int [hexio_read test.db 18 1]
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} 1
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do_test rdonly-1.3 {
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hexio_write test.db 18 03
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sqlite3 db test.db
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execsql {
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SELECT * FROM t1;
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}
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} {1}
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do_test rdonly-1.4 {
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catchsql {
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INSERT INTO t1 VALUES(2)
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}
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} {1 {attempt to write a readonly database}}
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# Change the write version back to 1. Verify that the database
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# is read-write again.
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#
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do_test rdonly-1.5 {
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db close
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hexio_write test.db 18 01
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sqlite3 db test.db
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catchsql {
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INSERT INTO t1 VALUES(2);
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SELECT * FROM t1;
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}
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} {0 {1 2}}
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# Now, after connection [db] has loaded the database schema, modify the
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# write-version of the file (and the change-counter, so that the
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# write-version is reloaded). This way, SQLite does not discover that
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# the database is read-only until after it is locked.
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#
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set ro_version 02
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ifcapable wal { set ro_version 03 }
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do_test rdonly-1.6 {
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hexio_write test.db 18 $ro_version ; # write-version
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hexio_write test.db 24 11223344 ; # change-counter
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catchsql {
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INSERT INTO t1 VALUES(2);
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}
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} {1 {attempt to write a readonly database}}
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finish_test
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