Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/corruptB.test
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testdata/tcl/corruptB.test
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# 2008 Sep 10
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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 loops in the B-Tree structure. A loop is formed in a B-Tree structure
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# when there exists a page that is both an a descendent or ancestor of
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# itself.
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#
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# Also test that an SQLITE_CORRUPT error is returned if a B-Tree page
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# contains a (corrupt) reference to a page greater than the configured
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# maximum page number.
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#
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# $Id: corruptB.test,v 1.4 2009/07/21 19:25:24 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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# These tests deal with corrupt database files
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#
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database_may_be_corrupt
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do_test corruptB-1.1 {
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execsql {
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PRAGMA auto_vacuum = 1;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(randomblob(200));
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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}
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expr {[file size test.db] > (1024*9)}
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} {1}
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integrity_check corruptB-1.2
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forcecopy test.db bak.db
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# Set the right-child of a B-Tree rootpage to refer to the root-page itself.
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#
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do_test corruptB-1.3.1 {
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set ::root [execsql {SELECT rootpage FROM sqlite_master}]
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set ::offset [expr {($::root-1)*1024}]
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hexio_write test.db [expr $offset+8] [hexio_render_int32 $::root]
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} {4}
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do_test corruptB-1.3.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t1 }
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} {1 {database disk image is malformed}}
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# Set the left-child of a cell in a B-Tree rootpage to refer to the
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# root-page itself.
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#
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do_test corruptB-1.4.1 {
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db close
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forcecopy bak.db test.db
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set cell_offset [hexio_get_int [hexio_read test.db [expr $offset+12] 2]]
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hexio_write test.db [expr $offset+$cell_offset] [hexio_render_int32 $::root]
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} {4}
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do_test corruptB-1.4.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t1 }
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} {1 {database disk image is malformed}}
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# Now grow the table B-Tree so that it is more than 2 levels high.
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#
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do_test corruptB-1.5.1 {
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db close
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forcecopy bak.db test.db
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sqlite3 db test.db
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execsql {
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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INSERT INTO t1 SELECT randomblob(200) FROM t1;
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}
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} {}
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forcecopy test.db bak.db
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# Set the right-child pointer of the right-child of the root page to point
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# back to the root page.
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#
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do_test corruptB-1.6.1 {
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db close
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set iRightChild [hexio_get_int [hexio_read test.db [expr $offset+8] 4]]
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set c_offset [expr ($iRightChild-1)*1024]
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hexio_write test.db [expr $c_offset+8] [hexio_render_int32 $::root]
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} {4}
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do_test corruptB-1.6.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t1 }
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} {1 {database disk image is malformed}}
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# Set the left-child pointer of a cell of the right-child of the root page to
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# point back to the root page.
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#
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do_test corruptB-1.7.1 {
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db close
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forcecopy bak.db test.db
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set cell_offset [hexio_get_int [hexio_read test.db [expr $c_offset+12] 2]]
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hexio_write test.db [expr $c_offset+$cell_offset] [hexio_render_int32 $::root]
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} {4}
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do_test corruptB-1.7.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t1 }
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} {1 {database disk image is malformed}}
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do_test corruptB-1.8.1 {
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db close
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set cell_offset [hexio_get_int [hexio_read test.db [expr $offset+12] 2]]
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set iLeftChild [
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hexio_get_int [hexio_read test.db [expr $offset+$cell_offset] 4]
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]
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set c_offset [expr ($iLeftChild-1)*1024]
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hexio_write test.db [expr $c_offset+8] [hexio_render_int32 $::root]
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} {4}
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do_test corruptB-1.8.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t1 }
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} {1 {database disk image is malformed}}
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# Set the left-child pointer of a cell of the right-child of the root page to
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# point back to the root page.
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#
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do_test corruptB-1.9.1 {
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db close
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forcecopy bak.db test.db
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set cell_offset [hexio_get_int [hexio_read test.db [expr $c_offset+12] 2]]
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hexio_write test.db [expr $c_offset+$cell_offset] [hexio_render_int32 $::root]
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} {4}
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do_test corruptB-1.9.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t1 }
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} {1 {database disk image is malformed}}
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#---------------------------------------------------------------------------
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do_test corruptB-2.1.1 {
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db close
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forcecopy bak.db test.db
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hexio_write test.db [expr $offset+8] [hexio_render_int32 0x6FFFFFFF]
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} {4}
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do_test corruptB-2.1.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t1 }
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} {1 {database disk image is malformed}}
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#---------------------------------------------------------------------------
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# Corrupt the header-size field of a database record.
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#
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do_test corruptB-3.1.1 {
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db close
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forcecopy bak.db test.db
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sqlite3 db test.db
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set v [string repeat abcdefghij 200]
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execsql {
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CREATE TABLE t2(a);
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INSERT INTO t2 VALUES($v);
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}
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set t2_root [execsql {SELECT rootpage FROM sqlite_master WHERE name = 't2'}]
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set iPage [expr ($t2_root-1)*1024]
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set iCellarray [expr $iPage + 8]
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set iRecord [hexio_get_int [hexio_read test.db $iCellarray 2]]
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db close
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hexio_write test.db [expr $iPage+$iRecord+3] FF00
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} {2}
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do_test corruptB-3.1.2 {
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sqlite3 db test.db
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catchsql { SELECT * FROM t2 }
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} {1 {database disk image is malformed}}
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finish_test
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