[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/corrupt6.test

+# 2008 May 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.  It specifically focuses
+# on corrupt SerialTypeLen values.
+#
+# $Id: corrupt6.test,v 1.2 2008/05/19 15:37:10 shane 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 {
+  finish_test
+  return
+}
+
+# Create a simple, small database.
+#
+do_test corrupt6-1.1 {
+  execsql {
+    PRAGMA auto_vacuum=OFF;
+    PRAGMA page_size=1024;
+    CREATE TABLE t1(x);
+    INSERT INTO t1(x) VALUES('varint32-01234567890123456789012345678901234567890123456789');
+    INSERT INTO t1(x) VALUES('varint32-01234567890123456789012345678901234567890123456789');
+  }
+  file size test.db
+} [expr {1024*2}]
+
+# Verify that the file format is as we expect.  The page size
+# should be 1024 bytes.
+#
+do_test corrupt6-1.2 {
+  hexio_get_int [hexio_read test.db 16 2]
+} 1024   ;# The page size is 1024
+do_test corrupt6-1.3 {
+  hexio_get_int [hexio_read test.db 20 1]
+} 0      ;# Unused bytes per page is 0
+
+integrity_check corrupt6-1.4
+
+# Verify SerialTypeLen for first field of two records as we expect.
+# SerialTypeLen = (len*2+12) = 60*2+12 = 132
+do_test corrupt6-1.5.1 {
+  hexio_read test.db 1923 2
+} 8103      ;# First text field size is 81 03 == 131
+do_test corrupt6-1.5.2 {
+  hexio_read test.db 1987 2
+} 8103      ;# Second text field size is 81 03 == 131
+
+# Verify simple query results as expected.
+do_test corrupt6-1.6 {
+  db close
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 0 {varint32 varint32} ]
+integrity_check corrupt6-1.7
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Increase SerialTypeLen by 2.
+do_test corrupt6-1.8.1 {
+  db close
+  hexio_write test.db 1923 8105
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Decrease SerialTypeLen by 2.
+do_test corrupt6-1.8.2 {
+  db close
+  hexio_write test.db 1923 8101
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Put value of record 1 / field 1 SerialTypeLen back.
+do_test corrupt6-1.8.3 {
+  db close
+  hexio_write test.db 1923 8103
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 0 {varint32 varint32} ]
+integrity_check corrupt6-1.8.4
+
+# Adjust value of record 2 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Increase SerialTypeLen by 2.
+do_test corrupt6-1.9.1 {
+  db close
+  hexio_write test.db 1987 8105
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 2 / field 2 SerialTypeLen and see if the
+# corruption is detected.
+# Decrease SerialTypeLen by 2.
+do_test corrupt6-1.9.2 {
+  db close
+  hexio_write test.db 1987 8101
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Put value of record 1 / field 2 SerialTypeLen back.
+do_test corrupt6-1.9.3 {
+  db close
+  hexio_write test.db 1987 8103
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 0 {varint32 varint32} ]
+integrity_check corrupt6-1.9.4
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF 7F (2 bytes)
+do_test corrupt6-1.10.1 {
+  db close
+  hexio_write test.db 1923 FF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF FF 7F (3 bytes)
+do_test corrupt6-1.10.2 {
+  db close
+  hexio_write test.db 1923 FFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF FF FF 7F (4 bytes)
+do_test corrupt6-1.10.3 {
+  db close
+  hexio_write test.db 1923 FFFFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF FF FF FF 7F (5 bytes)
+do_test corrupt6-1.10.4 {
+  db close
+  hexio_write test.db 1923 FFFFFFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF FF FF FF FF 7F (6 bytes, and overflows).
+do_test corrupt6-1.10.5 {
+  db close
+  hexio_write test.db 1923 FFFFFFFFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF FF FF FF FF FF 7F (7 bytes, and overflows).
+do_test corrupt6-1.10.6 {
+  db close
+  hexio_write test.db 1923 FFFFFFFFFFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF FF FF FF FF FF FF 7F (8 bytes, and overflows).
+do_test corrupt6-1.10.7 {
+  db close
+  hexio_write test.db 1923 FFFFFFFFFFFFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FF FF FF FF FF FF FF FF 7F (9 bytes, and overflows).
+do_test corrupt6-1.10.8 {
+  db close
+  hexio_write test.db 1923 FFFFFFFFFFFFFFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+# Adjust value of record 1 / field 1 SerialTypeLen and see if the
+# corruption is detected.
+# Set SerialTypeLen to FFFF FF FF FF FF FF FF FF 7F (10 bytes, and overflows).
+do_test corrupt6-1.10.9 {
+  db close
+  hexio_write test.db 1923 FFFFFFFFFFFFFFFFFF7F
+  sqlite3 db test.db
+  catchsql {
+    SELECT substr(x,1,8) FROM t1
+  }
+} [list 1 {database disk image is malformed}]
+
+finish_test