[sql] Import reference version of SQLite 3.17..

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

+# 2008 July 11
+#
+# 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 database headers.
+#
+# $Id: corruptA.test,v 1.1 2008/07/11 16:39:23 drh 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
+
+
+# Create a database to work with.
+#
+do_test corruptA-1.1 {
+  execsql {
+    CREATE TABLE t1(x);
+    INSERT INTO t1(x) VALUES(1);
+  }
+  expr {[file size test.db]>=1024}
+} {1}
+integrity_check corruptA-1.2
+
+# Corrupt the file header in various ways and make sure the corruption
+# is detected when opening the database file.
+#
+db close
+forcecopy test.db test.db-template
+
+set unreadable_version 02
+ifcapable wal { set unreadable_version 03 }
+do_test corruptA-2.1 {
+  forcecopy test.db-template test.db
+  hexio_write test.db 19 $unreadable_version   ;# the read format number
+  sqlite3 db test.db
+  catchsql {SELECT * FROM t1}  
+} {1 {file is encrypted or is not a database}}
+ 
+do_test corruptA-2.2 {
+  db close
+  forcecopy test.db-template test.db
+  hexio_write test.db 21 41   ;# max embedded payload fraction
+  sqlite3 db test.db
+  catchsql {SELECT * FROM t1}  
+} {1 {file is encrypted or is not a database}}
+ 
+do_test corruptA-2.3 {
+  db close
+  forcecopy test.db-template test.db
+  hexio_write test.db 22 1f   ;# min embedded payload fraction
+  sqlite3 db test.db
+  catchsql {SELECT * FROM t1}  
+} {1 {file is encrypted or is not a database}}
+ 
+do_test corruptA-2.4 {
+  db close
+  forcecopy test.db-template test.db
+  hexio_write test.db 23 21   ;# min leaf payload fraction
+  sqlite3 db test.db
+  catchsql {SELECT * FROM t1}  
+} {1 {file is encrypted or is not a database}}
+ 
+
+finish_test