Import SQLite 3.7.6.3.

third_party/sqlite/src/test/rdonly.test

 # 2007 April 24
 #
 # 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 treats a database
 # as readonly if its write version is set to  high.
 #
 # $Id: rdonly.test,v 1.2 2008/07/08 10:19:58 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
 
 # Create a database.
 #
 do_test rdonly-1.1 {
   execsql {
     CREATE TABLE t1(x);
     INSERT INTO t1 VALUES(1);
     SELECT * FROM t1;
   }
 } {1}
 
-# Changes the write version from 1 to 2.  Verify that the database
+# Changes the write version from 1 to 3.  Verify that the database
 # can be read but not written.
 #
 do_test rdonly-1.2 {
   db close
   hexio_get_int [hexio_read test.db 18 1]
 } 1
 do_test rdonly-1.3 {
-  hexio_write test.db 18 02
+  hexio_write test.db 18 03
   sqlite3 db test.db
   execsql {
     SELECT * FROM t1;
   }
 } {1}
 do_test rdonly-1.4 {
   catchsql {
     INSERT INTO t1 VALUES(2)
   }
 } {1 {attempt to write a readonly database}}
 
 # Change the write version back to 1.  Verify that the database
 # is read-write again.
 #
 do_test rdonly-1.5 {
   db close
   hexio_write test.db 18 01
   sqlite3 db test.db
   catchsql {
     INSERT INTO t1 VALUES(2);
     SELECT * FROM t1;
   }
 } {0 {1 2}}
 
 # Now, after connection [db] has loaded the database schema, modify the
 # write-version of the file (and the change-counter, so that the 
 # write-version is reloaded). This way, SQLite does not discover that
 # the database is read-only until after it is locked.
 #
+set ro_version 02
+ifcapable wal { set ro_version 03 }
 do_test rdonly-1.6 {
-  hexio_write test.db 18 02              ; # write-version
+  hexio_write test.db 18 $ro_version     ; # write-version
   hexio_write test.db 24 11223344        ; # change-counter
   catchsql {
     INSERT INTO t1 VALUES(2);
   }
 } {1 {attempt to write a readonly database}}
 
 finish_test