Import SQLite 3.8.7.4.

third_party/sqlite/src/test/corrupt2.test

 # 2004 August 30
 #
 # 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: corrupt2.test,v 1.20 2009/04/06 17:50:03 danielk1977 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
 
+# These tests deal with corrupt database files
+#
+database_may_be_corrupt
+
 set presql ""
 catch { set presql "$::G(perm:presql);" }
 unset -nocomplain ::G(perm:presql)
 
 # The following tests - corrupt2-1.* - create some databases corrupted in
 # specific ways and ensure that SQLite detects them as corrupt.
 #
 do_test corrupt2-1.1 {
   execsql {
     PRAGMA auto_vacuum=0;
     PRAGMA page_size=1024;
     CREATE TABLE abc(a, b, c);
   }
 } {}
 
 do_test corrupt2-1.2 {
 
   # Corrupt the 16 byte magic string at the start of the file
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
-  copy_file test.db corrupt.db
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
+  forcecopy test.db corrupt.db
   set f [open corrupt.db RDWR]
   seek $f 8 start
   puts $f blah
   close $f
 
   sqlite3 db2 corrupt.db
   catchsql "
     $::presql
     SELECT * FROM sqlite_master;
   " db2
 } {1 {file is encrypted or is not a database}}
 
 do_test corrupt2-1.3 {
   db2 close
 
   # Corrupt the page-size (bytes 16 and 17 of page 1).
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
-  copy_file test.db corrupt.db
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
+  forcecopy test.db corrupt.db
   set f [open corrupt.db RDWR]
   fconfigure $f -encoding binary
   seek $f 16 start
   puts -nonewline $f "\x00\xFF"
   close $f
 
   sqlite3 db2 corrupt.db
   catchsql "
     $::presql
     SELECT * FROM sqlite_master;
   " db2
 } {1 {file is encrypted or is not a database}}
 
 do_test corrupt2-1.4 {
   db2 close
 
   # Corrupt the free-block list on page 1.
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
-  copy_file test.db corrupt.db
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
+  forcecopy test.db corrupt.db
   set f [open corrupt.db RDWR]
   fconfigure $f -encoding binary
   seek $f 101 start
   puts -nonewline $f "\xFF\xFF"
   close $f
 
   sqlite3 db2 corrupt.db
   catchsql "
     $::presql
     SELECT * FROM sqlite_master;
   " db2
 } {1 {database disk image is malformed}}
 
 do_test corrupt2-1.5 {
   db2 close
 
   # Corrupt the free-block list on page 1.
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
-  copy_file test.db corrupt.db
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
+  forcecopy test.db corrupt.db
   set f [open corrupt.db RDWR]
   fconfigure $f -encoding binary
   seek $f 101 start
   puts -nonewline $f "\x00\xC8"
   seek $f 200 start
   puts -nonewline $f "\x00\x00"
   puts -nonewline $f "\x10\x00"
   close $f
 
   sqlite3 db2 corrupt.db
   catchsql "
     $::presql
     SELECT * FROM sqlite_master;
   " db2
 } {1 {database disk image is malformed}}
 db2 close
 
 # Corrupt a database by having 2 indices of the same name:
 do_test corrupt2-2.1 {
 
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
-  copy_file test.db corrupt.db
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
+  forcecopy test.db corrupt.db
 
   sqlite3 db2 corrupt.db 
   execsql "
     $::presql
     CREATE INDEX a1 ON abc(a);
     CREATE INDEX a2 ON abc(b);
     PRAGMA writable_schema = 1;
     UPDATE sqlite_master 
       SET name = 'a3', sql = 'CREATE INDEX a3' || substr(sql, 16, 10000)
       WHERE type = 'index';
     PRAGMA writable_schema = 0;
   " db2
 
   db2 close
   sqlite3 db2 corrupt.db 
   catchsql "
     $::presql
     SELECT * FROM sqlite_master;
   " db2
 } {1 {malformed database schema (a3) - index a3 already exists}}
 
 db2 close
 
 do_test corrupt2-3.1 {
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
   sqlite3 db2 corrupt.db 
 
   execsql "
     $::presql
     PRAGMA auto_vacuum = 1;
     PRAGMA page_size = 1024;
     CREATE TABLE t1(a, b, c);
     CREATE TABLE t2(a, b, c);
     INSERT INTO t2 VALUES(randomblob(100), randomblob(100), randomblob(100));
     INSERT INTO t2 SELECT * FROM t2;
@@ skipping 28 matching lines @@
 do_test corrupt2-4.1 {
   catchsql {
     SELECT * FROM t2;
   } db2
 } {1 {database disk image is malformed}}
 
 db2 close
 
 unset -nocomplain result
 do_test corrupt2-5.1 {
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
   sqlite3 db2 corrupt.db 
 
   execsql "
     $::presql
     PRAGMA auto_vacuum = 0;
     PRAGMA page_size = 1024;
     CREATE TABLE t1(a, b, c);
     CREATE TABLE t2(a, b, c);
     INSERT INTO t2 VALUES(randomblob(100), randomblob(100), randomblob(100));
     INSERT INTO t2 SELECT * FROM t2;
@@ skipping 35 matching lines @@
 
 db2 close
 
 proc corruption_test {args} {
   set A(-corrupt) {}
   set A(-sqlprep) {}
   set A(-tclprep) {}
   array set A $args
 
   catch {db close}
-  file delete -force corrupt.db
-  file delete -force corrupt.db-journal
+  forcedelete corrupt.db
+  forcedelete corrupt.db-journal
 
   sqlite3 db corrupt.db 
   db eval $::presql
   eval $A(-tclprep)
   db eval $A(-sqlprep)
   db close
 
   eval $A(-corrupt)
 
   sqlite3 db corrupt.db
@@ skipping 277 matching lines @@
     do_test corrupt2-13.2 {
       file size corrupt.db
     } [expr $::sqlite_pending_byte + 1024]
     do_test corrupt2-13.3 {
       catchsql { DELETE FROM t1 WHERE rowid < 30; }
     } {1 {database disk image is malformed}}
   }
 }
 
 finish_test