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Overview
Comment:Add a test case to test corruption discovered as part of the ptrmapPut() routine. (CVS 5351)
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SHA1: cbb9536fc4fb2419e0eb6f3a32c67eeb7a73da82
User & Date: danielk1977 2008-07-07 15:39:11.000
Context
2008-07-07
17:04
Another test case to test a specific kind of database corruption. (CVS 5352) (check-in: 38e04d6763 user: danielk1977 tags: trunk)
15:39
Add a test case to test corruption discovered as part of the ptrmapPut() routine. (CVS 5351) (check-in: cbb9536fc4 user: danielk1977 tags: trunk)
14:56
Test a couple of specific malloc() failures that were not tested before. (CVS 5350) (check-in: b96bcaa197 user: danielk1977 tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/corrupt2.test.
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#
#***********************************************************************
# 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 1.5 2008/03/19 13:03:34 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# The following tests - corrupt2-1.* - create some databases corrupted in
# specific ways and ensure that SQLite detects them as corrupt.
#








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#
#***********************************************************************
# 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 1.6 2008/07/07 15:39:11 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# The following tests - corrupt2-1.* - create some databases corrupted in
# specific ways and ensure that SQLite detects them as corrupt.
#
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    PRAGMA writable_schema = 0;
  } db2

  db2 close
  sqlite3 db2 corrupt.db 
  catchsql {
    SELECT * FROM sqlite_master;









































  } db2
} {1 {malformed database schema (a3) - index a3 already exists}}

db2 close

finish_test








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    PRAGMA writable_schema = 0;
  } db2

  db2 close
  sqlite3 db2 corrupt.db 
  catchsql {
    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
  sqlite3 db2 corrupt.db 

  execsql {
    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;
    INSERT INTO t2 SELECT * FROM t2;
    INSERT INTO t2 SELECT * FROM t2;
    INSERT INTO t2 SELECT * FROM t2;
  } db2

  db2 close

  # On the root page of table t2 (page 4), set one of the child page-numbers
  # to 0. This corruption will be detected when SQLite attempts to update
  # the pointer-map after moving the content of page 4 to page 3 as part
  # of the DROP TABLE operation below.
  #
  set fd [open corrupt.db r+]
  fconfigure $fd -encoding binary -translation binary
  seek $fd [expr 1024*3 + 12]
  set zCelloffset [read $fd 2]
  binary scan $zCelloffset S iCelloffset
  seek $fd [expr 1024*3 + $iCelloffset]
  puts -nonewline $fd "\00\00\00\00" 
  close $fd

  sqlite3 db2 corrupt.db 
  catchsql {
    DROP TABLE t1;
  } db2
} {1 {malformed database schema (a3) - index a3 already exists}}

db2 close

finish_test