sl@0: # 2007 December 19
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.  The
sl@0: # focus of this file is testing for correct handling of I/O errors
sl@0: # during incremental vacuum with a shared cache.
sl@0: #
sl@0: # $Id: ioerr4.test,v 1.2 2008/05/08 01:11:42 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # This test requires both shared cache and incremental vacuum.
sl@0: #
sl@0: ifcapable {!shared_cache || !autovacuum} {
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: # Enable shared cache mode and incremental vacuum.
sl@0: #
sl@0: do_test ioerr4-1.1 {
sl@0:   db close
sl@0:   set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
sl@0: } {0}
sl@0: do_test ioerr4-1.2 {
sl@0:   file delete -force test.db test.db-journal
sl@0:   sqlite3 db test.db
sl@0:   sqlite3 db2 test.db
sl@0:   db eval {
sl@0:     PRAGMA auto_vacuum=INCREMENTAL;
sl@0:     CREATE TABLE a(i INTEGER, b BLOB);
sl@0:   }
sl@0:   db2 eval {
sl@0:     SELECT name FROM sqlite_master
sl@0:   }
sl@0: } {a}
sl@0: do_test ioerr4-1.3 {
sl@0:   db eval {
sl@0:     PRAGMA auto_vacuum;
sl@0:   }
sl@0: } {2}
sl@0: 
sl@0: # Insert and delete many records in order to put lots of pages
sl@0: # on the freelist.
sl@0: #
sl@0: do_test ioerr4-1.4 {
sl@0:   db eval {
sl@0:     INSERT INTO a VALUES(1, zeroblob(2000));
sl@0:     INSERT INTO a VALUES(2, zeroblob(2000));
sl@0:     INSERT INTO a SELECT i+2, zeroblob(2000) FROM a;
sl@0:     INSERT INTO a SELECT i+4, zeroblob(2000) FROM a;
sl@0:     INSERT INTO a SELECT i+8, zeroblob(2000) FROM a;
sl@0:     INSERT INTO a SELECT i+16, zeroblob(2000) FROM a;
sl@0:     SELECT count(*) FROM a;
sl@0:   }
sl@0: } {32}
sl@0: do_test ioerr4-1.5 {
sl@0:   db eval {
sl@0:     PRAGMA freelist_count
sl@0:   }
sl@0: } {0}
sl@0: do_test ioerr4-1.6 {
sl@0:   db eval {
sl@0:     DELETE FROM a;
sl@0:     PRAGMA freelist_count;
sl@0:   }
sl@0: } {64}
sl@0: 
sl@0: # Set up for an I/O error on incremental vacuum
sl@0: # with two connections on shared cache.
sl@0: #
sl@0: db close
sl@0: db2 close
sl@0: file copy -force test.db test.db-bu
sl@0: do_ioerr_test ioerr4-2 -tclprep {
sl@0:   catch {db2 close}
sl@0:   db close
sl@0:   file delete -force test.db test.db-journal
sl@0:   file copy -force test.db-bu test.db
sl@0:   sqlite3_enable_shared_cache 1
sl@0:   set ::DB [sqlite3 db test.db; sqlite3_connection_pointer db]
sl@0:   db eval {PRAGMA auto_vacuum=INCREMENTAL}
sl@0:   sqlite3 db2 test.db
sl@0: } -tclbody {
sl@0:   db eval {PRAGMA incremental_vacuum(5)}
sl@0: }
sl@0: 
sl@0: db2 close
sl@0: file delete -force test.db-bu
sl@0: sqlite3_enable_shared_cache $::enable_shared_cache
sl@0: 
sl@0: finish_test