Import SQLite 3.8.7.4.

third_party/sqlite/src/test/corruptC.test

Index: third_party/sqlite/src/test/corruptC.test
diff --git a/third_party/sqlite/src/test/corruptC.test b/third_party/sqlite/src/test/corruptC.test
index 05804263884a661648fb2208ca3b6e7dea1c3bc0..adf6f44c44863de6deda63d665ff120b693a25e5 100644
--- a/third_party/sqlite/src/test/corruptC.test
+++ b/third_party/sqlite/src/test/corruptC.test
@@ -17,7 +17,7 @@
 #
 # $Id: corruptC.test,v 1.14 2009/07/11 06:55:34 danielk1977 Exp $
 
-catch {file delete -force test.db test.db-journal test.bu}
+catch {forcedelete test.db test.db-journal test.bu}
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -27,6 +27,10 @@ source $testdir/tester.tcl
 #
 do_not_use_codec
 
+# These tests deal with corrupt database files
+#
+database_may_be_corrupt
+
 # Construct a compact, dense database for testing.
 #
 do_test corruptC-1.1 {
@@ -58,16 +62,10 @@ proc random {range} {
   return [expr {round(rand()*$range)}]
 }
 
-# Copy file $from into $to
-#
-proc copy_file {from to} {
-  file copy -force $from $to
-}
-
 # Setup for the tests.  Make a backup copy of the good database in test.bu.
 #
 db close
-copy_file test.db test.bu
+forcecopy test.db test.bu
 sqlite3 db test.db
 set fsize [file size test.db]
 
@@ -92,7 +90,7 @@ expr srand($qseed)
 # test that a corrupt content offset size is handled (seed 5577)
 do_test corruptC-2.1 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 2053 [format %02x 0x04]
@@ -104,7 +102,7 @@ do_test corruptC-2.1 {
 # test that a corrupt content offset size is handled (seed 5649)
 do_test corruptC-2.2 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 27   [format %02x 0x08]
@@ -125,7 +123,7 @@ do_test corruptC-2.2 {
 # test that a corrupt free cell size is handled (seed 13329)
 do_test corruptC-2.3 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 1094 [format %02x 0x76]
@@ -137,7 +135,7 @@ do_test corruptC-2.3 {
 # test that a corrupt free cell size is handled (seed 169571)
 do_test corruptC-2.4 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 3119 [format %02x 0xdf]
@@ -149,7 +147,7 @@ do_test corruptC-2.4 {
 # test that a corrupt free cell size is handled (seed 169571)
 do_test corruptC-2.5 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 3119 [format %02x 0xdf]
@@ -169,7 +167,7 @@ Page 4: btreeInitPage() returns error code 11}}}
 # test that a corrupt free cell size is handled (seed 169595)
 do_test corruptC-2.6 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 619 [format %02x 0xe2]
@@ -182,7 +180,7 @@ do_test corruptC-2.6 {
 # corruption (seed 178692)
 do_test corruptC-2.7 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 3074 [format %02x 0xa0]
@@ -194,7 +192,7 @@ do_test corruptC-2.7 {
 # corruption (seed 179069)
 do_test corruptC-2.8 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 1393 [format %02x 0x7d]
@@ -208,21 +206,25 @@ do_test corruptC-2.8 {
 } {1 {database disk image is malformed}}
 
 # corruption (seed 170434)
+#
+# UPDATE: Prior to 3.8.2, this used to return SQLITE_CORRUPT. It no longer
+# does. That is Ok, the point of these tests is to verify that no buffer
+# overruns or overreads can be caused by corrupt databases.
 do_test corruptC-2.9 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 2095 [format %02x 0xd6]
 
   sqlite3 db test.db
   catchsql {BEGIN; DELETE FROM t1 WHERE x>13; ROLLBACK;}
-} {1 {database disk image is malformed}}
+} {0 {}}
 
 # corruption (seed 186504)
 do_test corruptC-2.10 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 3130 [format %02x 0x02]
@@ -234,7 +236,7 @@ do_test corruptC-2.10 {
 # corruption (seed 1589)
 do_test corruptC-2.11 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 55 [format %02x 0xa7]
@@ -246,7 +248,7 @@ do_test corruptC-2.11 {
 # corruption (seed 14166)
 do_test corruptC-2.12 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 974 [format %02x 0x2e]
@@ -258,7 +260,7 @@ do_test corruptC-2.12 {
 # corruption (seed 218803)
 do_test corruptC-2.13 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   # insert corrupt byte(s)
   hexio_write test.db 102 [format %02x 0x12]
@@ -269,7 +271,7 @@ do_test corruptC-2.13 {
 
 do_test corruptC-2.14 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
 
   sqlite3 db test.db
   set blob [string repeat abcdefghij 10000]
@@ -286,7 +288,7 @@ do_test corruptC-2.14 {
 #
 do_test corruptC-2.15 {
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
   hexio_write test.db 986 b9
   sqlite3 db test.db
   catchsql {SELECT count(*) FROM sqlite_master;}
@@ -300,7 +302,7 @@ for {set tn 0} {$tn<$fsize} {incr tn 1} {
 
   # setup for test
   db close
-  copy_file test.bu test.db
+  forcecopy test.bu test.db
   sqlite3 db test.db
 
   # Seek to a random location in the file, and write a random single byte