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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
commit | 63847496f14c813a5d80efd5b7de0f1294ffe1e3 (patch) | |
tree | 01c7571c7c762ceee70638549a99834fdd7c411b /test/corrupt3.test | |
parent | Initial commit. (diff) | |
download | sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.tar.xz sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.zip |
Adding upstream version 3.45.1.upstream/3.45.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/corrupt3.test')
-rw-r--r-- | test/corrupt3.test | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/test/corrupt3.test b/test/corrupt3.test new file mode 100644 index 0000000..691302f --- /dev/null +++ b/test/corrupt3.test @@ -0,0 +1,121 @@ +# 2007 April 6 +# +# 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 does not crash or +# segfault if it sees a corrupt database file. +# +# $Id: corrupt3.test,v 1.2 2007/04/06 21:42:22 drh Exp $ + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +# This module uses hard-coded offsets which do not work if the reserved_bytes +# value is nonzero. +if {[nonzero_reserved_bytes]} {finish_test; return;} + +# These tests deal with corrupt database files +# +database_may_be_corrupt + +# We must have the page_size pragma for these tests to work. +# +ifcapable !pager_pragmas||direct_read { + finish_test + return +} + +# Create a database with an overflow page. +# +do_test corrupt3-1.1 { + set bigstring [string repeat 0123456789 200] + execsql { + PRAGMA auto_vacuum=OFF; + PRAGMA page_size=1024; + CREATE TABLE t1(x); + INSERT INTO t1 VALUES($bigstring); + } + file size test.db +} [expr {1024*3}] + +# Verify that the file format is as we expect. The page size +# should be 1024 bytes. The only record should have a single +# overflow page. The overflow page is page 3. The pointer to +# the overflow page is on the last 4 bytes of page 2. +# +do_test corrupt3-1.2 { + hexio_get_int [hexio_read test.db 16 2] +} 1024 ;# The page size is 1024 +do_test corrupt3-1.3 { + hexio_get_int [hexio_read test.db 20 1] +} 0 ;# Unused bytes per page is 0 +do_test corrupt3-1.4 { + hexio_get_int [hexio_read test.db 2044 4] +} 3 ;# Overflow page is 3 +do_test corrupt3-1.5 { + hexio_get_int [hexio_read test.db 2048 4] +} 0 ;# First chained overflow is 0 + +integrity_check corrupt3-1.6 + +# Make the overflow chain loop back on itself. See if the +# corruption is detected. +# +do_test corrupt3-1.7 { + db close + hexio_write test.db 2048 [hexio_render_int32 3] + sqlite3 db test.db + catchsql { + SELECT x FROM t1 + } +} [list 0 $bigstring] +do_test corrupt3-1.8 { + catchsql { + PRAGMA integrity_check + } +} {0 {{*** in database main *** +Tree 2 page 2 cell 0: 2nd reference to page 3}}} + +# Change the pointer for the first page of the overflow +# change to be a non-existant page. +# +do_test corrupt3-1.9 { + db close + hexio_write test.db 2044 [hexio_render_int32 4] + sqlite3 db test.db + catchsql { + SELECT substr(x,1,10) FROM t1 + } +} [list 1 {database disk image is malformed}] +do_test corrupt3-1.10 { + catchsql { + PRAGMA integrity_check + } +} {0 {{*** in database main *** +Tree 2 page 2 cell 0: invalid page number 4 +Page 3: never used}}} +do_test corrupt3-1.11 { + db close + hexio_write test.db 2044 [hexio_render_int32 0] + sqlite3 db test.db + catchsql { + SELECT substr(x,1,10) FROM t1 + } +} [list 1 {database disk image is malformed}] +do_test corrupt3-1.12 { + catchsql { + PRAGMA integrity_check + } +} {0 {{*** in database main *** +Tree 2 page 2 cell 0: overflow list length is 0 but should be 1 +Page 3: never used}}} + +finish_test |