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

Artifact 36f2d1bb9bf03f790f43fbdb439e44c0657fab19:


# 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 file copy command.
#
if {$tcl_platform(platform)=="windows"} {
  finish_test
  return
}

# 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 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 {
    BEGIN;
    DELETE FROM t1;
  }
  file copy -force test.db-journal test.db-journal-bu
  execsql {
    ROLLBACK;
  }
  db close
  file delete test.db
  file copy test.db-journal-bu test.db-journal
  sqlite3 db test.db
  catchsql {
    SELECT * FROM sqlite_master
  }
} {0 {}}

finish_test