/ Artifact Content
SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Artifact c7b768041b7f494471531e17abc2f4f5ebf9e5096984f43ed17c4eb80ba34497:

# 2005 March 15
# 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 that leftover journals from
# prior databases do not try to rollback into new databases.
# $Id: journal1.test,v 1.2 2005/03/20 22:54:56 drh Exp $

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

# These tests will not work on windows because windows uses
# manditory file locking which breaks the copy_file command.
# Or with atomic_batch_write systems, as journal files are
# not created.
if {$tcl_platform(platform)=="windows"
 || [atomic_batch_write test.db]
} {

# Create a smaple database
do_test journal1-1.1 {
  execsql {
    CREATE TABLE t1(a,b);
    INSERT INTO t1 VALUES(1,randstr(10,400));
    INSERT INTO t1 VALUES(2,randstr(10,400));
    INSERT INTO t1 SELECT a+2, a||b FROM t1;
    INSERT INTO t1 SELECT a+4, a||b FROM t1;
    SELECT count(*) FROM t1;
} 8

# Make changes to the database and save the journal file.
# Then delete the database.  Replace the journal file
# and try to create a new database with the same name.  The
# old journal should not attempt to rollback into the new
# database.
do_test journal1-1.2 {
  execsql {
  forcecopy test.db-journal test.db-journal-bu
  execsql {
  db close
  delete_file test.db
  copy_file test.db-journal-bu test.db-journal
  sqlite3 db test.db
  catchsql {
    SELECT * FROM sqlite_master
} {0 {}}