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84 lines
2.2 KiB
Plaintext
84 lines
2.2 KiB
Plaintext
# 2008 July 11
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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 does not crash or
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# segfault if it sees a corrupt database file. It specifically focuses
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# on corrupt database headers.
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#
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# $Id: corruptA.test,v 1.1 2008/07/11 16:39:23 drh 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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# These tests deal with corrupt database files
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#
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database_may_be_corrupt
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# Create a database to work with.
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#
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do_test corruptA-1.1 {
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execsql {
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CREATE TABLE t1(x);
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INSERT INTO t1(x) VALUES(1);
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}
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expr {[file size test.db]>=1024}
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} {1}
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integrity_check corruptA-1.2
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# Corrupt the file header in various ways and make sure the corruption
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# is detected when opening the database file.
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#
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db close
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forcecopy test.db test.db-template
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set unreadable_version 02
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ifcapable wal { set unreadable_version 03 }
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do_test corruptA-2.1 {
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forcecopy test.db-template test.db
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hexio_write test.db 19 $unreadable_version ;# the read format number
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sqlite3 db test.db
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catchsql {SELECT * FROM t1}
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} {1 {file is not a database}}
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do_test corruptA-2.2 {
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db close
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forcecopy test.db-template test.db
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hexio_write test.db 21 41 ;# max embedded payload fraction
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sqlite3 db test.db
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catchsql {SELECT * FROM t1}
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} {1 {file is not a database}}
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do_test corruptA-2.3 {
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db close
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forcecopy test.db-template test.db
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hexio_write test.db 22 1f ;# min embedded payload fraction
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sqlite3 db test.db
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catchsql {SELECT * FROM t1}
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} {1 {file is not a database}}
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do_test corruptA-2.4 {
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db close
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forcecopy test.db-template test.db
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hexio_write test.db 23 21 ;# min leaf payload fraction
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sqlite3 db test.db
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catchsql {SELECT * FROM t1}
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} {1 {file is not a database}}
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finish_test
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