Index: third_party/sqlite/sqlite-src-3070603/test/corrupt9.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/corrupt9.test b/third_party/sqlite/sqlite-src-3070603/test/corrupt9.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f083cf247ac04cf3387213a573a962a2c1e4f481 |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3070603/test/corrupt9.test |
@@ -0,0 +1,136 @@ |
+# 2008 July 9 |
+# |
+# 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. It specifically focuses |
+# on corruption in the form of duplicate entries on the freelist. |
+# |
+# $Id: corrupt9.test,v 1.3 2009/06/04 02:47:04 shane Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+# Do not use a codec for tests in this file, as the database file is |
+# manipulated directly using tcl scripts (using the [hexio_write] command). |
+# |
+do_not_use_codec |
+ |
+# We must have the page_size pragma for these tests to work. |
+# |
+ifcapable !pager_pragmas { |
+ finish_test |
+ return |
+} |
+ |
+# Return the offset to the first (trunk) page of the freelist. Return |
+# zero of the freelist is empty. |
+# |
+proc freelist_trunk_offset {filename} { |
+ if {[hexio_read $filename 36 4]==0} {return 0} |
+ set pgno [hexio_get_int [hexio_read $filename 32 4]] |
+ return [expr {($pgno-1)*[hexio_get_int [hexio_read $filename 16 2]]}] |
+} |
+ |
+# This procedure looks at the first trunk page of the freelist and |
+# corrupts that page by overwriting up to N entries with duplicates |
+# of the first entry. |
+# |
+proc corrupt_freelist {filename N} { |
+ set offset [freelist_trunk_offset $filename] |
+ if {$offset==0} {error "Freelist is empty"} |
+ set cnt [hexio_get_int [hexio_read $filename [expr {$offset+4}] 4]] |
+ set pgno [hexio_read $filename [expr {$offset+8}] 4] |
+ for {set i 12} {$N>0 && $i<8+4*$cnt} {incr i 4; incr N -1} { |
+ hexio_write $filename [expr {$offset+$i}] $pgno |
+ } |
+} |
+ |
+# Create a database to work with. Make sure there are plenty of |
+# entries on the freelist. |
+# |
+do_test corrupt9-1.1 { |
+ execsql { |
+ PRAGMA auto_vacuum=NONE; |
+ PRAGMA page_size=1024; |
+ CREATE TABLE t1(x); |
+ INSERT INTO t1(x) VALUES(1); |
+ INSERT INTO t1(x) VALUES(2); |
+ INSERT INTO t1(x) SELECT x+2 FROM t1; |
+ INSERT INTO t1(x) SELECT x+4 FROM t1; |
+ INSERT INTO t1(x) SELECT x+8 FROM t1; |
+ INSERT INTO t1(x) SELECT x+16 FROM t1; |
+ INSERT INTO t1(x) SELECT x+32 FROM t1; |
+ INSERT INTO t1(x) SELECT x+64 FROM t1; |
+ INSERT INTO t1(x) SELECT x+128 FROM t1; |
+ INSERT INTO t1(x) SELECT x+256 FROM t1; |
+ CREATE TABLE t2(a,b); |
+ INSERT INTO t2 SELECT x, x*x FROM t1; |
+ CREATE INDEX i1 ON t1(x); |
+ CREATE INDEX i2 ON t2(b,a); |
+ DROP INDEX i2; |
+ } |
+ expr {[file size test.db]>1024*24} |
+} {1} |
+integrity_check corrupt9-1.2 |
+ |
+# Corrupt the freelist by adding duplicate entries to the freelist. |
+# Make sure the corruption is detected. |
+# |
+db close |
+file copy -force test.db test.db-template |
+ |
+corrupt_freelist test.db 1 |
+sqlite3 db test.db |
+do_test corrupt9-2.1 { |
+ set x [db eval {PRAGMA integrity_check}] |
+ expr {$x!="ok"} |
+} {1} |
+do_test corrupt9-2.2 { |
+ catchsql { |
+ CREATE INDEX i2 ON t2(b,a); |
+ REINDEX; |
+ } |
+} {1 {database disk image is malformed}} |
+ |
+ |
+db close |
+file copy -force test.db-template test.db |
+corrupt_freelist test.db 2 |
+sqlite3 db test.db |
+do_test corrupt9-3.1 { |
+ set x [db eval {PRAGMA integrity_check}] |
+ expr {$x!="ok"} |
+} {1} |
+do_test corrupt9-3.2 { |
+ catchsql { |
+ CREATE INDEX i2 ON t2(b,a); |
+ REINDEX; |
+ } |
+} {1 {database disk image is malformed}} |
+ |
+db close |
+file copy -force test.db-template test.db |
+corrupt_freelist test.db 3 |
+sqlite3 db test.db |
+do_test corrupt9-4.1 { |
+ set x [db eval {PRAGMA integrity_check}] |
+ expr {$x!="ok"} |
+} {1} |
+do_test corrupt9-4.2 { |
+ catchsql { |
+ CREATE INDEX i2 ON t2(b,a); |
+ REINDEX; |
+ } |
+} {1 {database disk image is malformed}} |
+ |
+ |
+finish_test |