136 lines
3.3 KiB
Plaintext
136 lines
3.3 KiB
Plaintext
# 2004 August 30
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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.
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#
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# $Id: corrupt2.test,v 1.4 2007/03/13 16:32:25 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# The following tests - corrupt2-1.* - create some databases corrupted in
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# specific ways and ensure that SQLite detects them as corrupt.
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#
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do_test corrupt2-1.1 {
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execsql {
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CREATE TABLE abc(a, b, c);
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}
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} {}
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do_test corrupt2-1.2 {
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# Corrupt the 16 byte magic string at the start of the file
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file delete -force corrupt.db
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file delete -force corrupt.db-journal
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copy_file test.db corrupt.db
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set f [open corrupt.db RDWR]
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seek $f 8 start
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puts $f blah
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close $f
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sqlite3 db2 corrupt.db
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catchsql {
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SELECT * FROM sqlite_master;
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} db2
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} {1 {file is encrypted or is not a database}}
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do_test corrupt2-1.3 {
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db2 close
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# Corrupt the page-size (bytes 16 and 17 of page 1).
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file delete -force corrupt.db
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file delete -force corrupt.db-journal
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copy_file test.db corrupt.db
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set f [open corrupt.db RDWR]
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fconfigure $f -encoding binary
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seek $f 16 start
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puts -nonewline $f "\x00\xFF"
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close $f
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sqlite3 db2 corrupt.db
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catchsql {
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SELECT * FROM sqlite_master;
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} db2
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} {1 {file is encrypted or is not a database}}
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do_test corrupt2-1.4 {
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db2 close
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# Corrupt the free-block list on page 1.
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file delete -force corrupt.db
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file delete -force corrupt.db-journal
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copy_file test.db corrupt.db
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set f [open corrupt.db RDWR]
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fconfigure $f -encoding binary
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seek $f 101 start
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puts -nonewline $f "\xFF\xFF"
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close $f
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sqlite3 db2 corrupt.db
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catchsql {
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SELECT * FROM sqlite_master;
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} db2
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} {1 {database disk image is malformed}}
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do_test corrupt2-1.5 {
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db2 close
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# Corrupt the free-block list on page 1.
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file delete -force corrupt.db
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file delete -force corrupt.db-journal
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copy_file test.db corrupt.db
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set f [open corrupt.db RDWR]
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fconfigure $f -encoding binary
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seek $f 101 start
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puts -nonewline $f "\x00\xC8"
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seek $f 200 start
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puts -nonewline $f "\x00\x00"
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puts -nonewline $f "\x10\x00"
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close $f
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sqlite3 db2 corrupt.db
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catchsql {
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SELECT * FROM sqlite_master;
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} db2
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} {1 {database disk image is malformed}}
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db2 close
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# Corrupt a database by having 2 indices of the same name:
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do_test corrupt2-2.1 {
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file delete -force corrupt.db
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file delete -force corrupt.db-journal
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copy_file test.db corrupt.db
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sqlite3 db2 corrupt.db
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execsql {
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CREATE INDEX a1 ON abc(a);
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CREATE INDEX a2 ON abc(b);
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PRAGMA writable_schema = 1;
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UPDATE sqlite_master
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SET name = 'a3', sql = 'CREATE INDEX a3' || substr(sql, 16, 10000)
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WHERE type = 'index';
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PRAGMA writable_schema = 0;
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} db2
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db2 close
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sqlite3 db2 corrupt.db
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catchsql {
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SELECT * FROM sqlite_master;
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} db2
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} {1 {malformed database schema - index a3 already exists}}
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db2 close
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finish_test
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