SQLite

Artifact bd846e10d463c0b6f8bded674cb07f94a0277097:

• File test/jrnlmode2.test — part of check-in [80241a0502] at 2009-03-26 17:13:06 on branch trunk — Check that the first byte of a potentially hot journal file is non-zero before beginning hot-journal rollback. Fix for #3751 and #3745. (CVS 6390) (user: danielk1977 size: 2000)

# 2009 March 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.
#
#***********************************************************************
#
# $Id: jrnlmode2.test,v 1.5 2009/03/26 17:13:06 danielk1977 Exp $

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

ifcapable {!pager_pragmas} {
  finish_test
  return
}

#-------------------------------------------------------------------------
# Test overview:
#
#   jrnlmode2-1.*: Demonstrate bug #3745
#   jrnlmode2-2.*: Demonstrate bug #3751
#

do_test jrnlmode2-1.1 {
  execsql {
    PRAGMA journal_mode = persist;
    CREATE TABLE t1(a, b);
    INSERT INTO t1 VALUES(1, 2);
  }
} {persist}

do_test jrnlmode2-1.2 {
  file exists test.db-journal
} {1}

do_test jrnlmode2-1.3 {
  sqlite3 db2 test.db
  execsql { SELECT * FROM t1 } db2
} {1 2}

do_test jrnlmode2-1.4 {
  execsql {
    INSERT INTO t1 VALUES(3, 4);
    BEGIN;
    SELECT * FROM t1;
  }
  execsql { PRAGMA lock_status }
} {main shared temp closed}

do_test jrnlmode2-1.5 {
  file exists test.db-journal
} {1}

do_test jrnlmode2-1.6 {
  catchsql { SELECT * FROM t1 } db2
} {0 {1 2 3 4}}

do_test jrnlmode2-1.7 {
  execsql { COMMIT }
  catchsql { SELECT * FROM t1 } db2
} {0 {1 2 3 4}}



do_test jrnlmode2-2.1 {
  db2 close
  execsql { PRAGMA journal_mode = truncate }
  execsql { INSERT INTO t1 VALUES(5, 6) }
} {}

do_test jrnlmode2-2.2 {
  file exists test.db-journal
} {1}

do_test jrnlmode2-2.3 {
  file size test.db-journal
} {0}

do_test jrnlmode2-2.4 {
  sqlite3 db2 test.db -readonly 1
  catchsql { SELECT * FROM t1 } db2
} {0 {1 2 3 4 5 6}}

do_test jrnlmode2-2.5 {
  file delete test.db-journal
} {}

do_test jrnlmode2-2.6 {
  sqlite3 db2 test.db -readonly 1
  catchsql { SELECT * FROM t1 } db2
} {0 {1 2 3 4 5 6}}

catch { db2 close }
finish_test