1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/lock3.test	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,78 @@
     1.4 +# 2001 September 15
     1.5 +#
     1.6 +# The author disclaims copyright to this source code.  In place of
     1.7 +# a legal notice, here is a blessing:
     1.8 +#
     1.9 +#    May you do good and not evil.
    1.10 +#    May you find forgiveness for yourself and forgive others.
    1.11 +#    May you share freely, never taking more than you give.
    1.12 +#
    1.13 +#***********************************************************************
    1.14 +# This file implements regression tests for SQLite library.  The
    1.15 +# focus of this script is database locks and the operation of the
    1.16 +# DEFERRED, IMMEDIATE, and EXCLUSIVE keywords as modifiers to the
    1.17 +# BEGIN command.
    1.18 +#
    1.19 +# $Id: lock3.test,v 1.1 2004/10/05 02:41:43 drh Exp $
    1.20 +
    1.21 +
    1.22 +set testdir [file dirname $argv0]
    1.23 +source $testdir/tester.tcl
    1.24 +
    1.25 +# Establish two connections to the same database.  Put some
    1.26 +# sample data into the database.
    1.27 +#
    1.28 +do_test lock3-1.1 {
    1.29 +  sqlite3 db2 test.db
    1.30 +  execsql {
    1.31 +    CREATE TABLE t1(a);
    1.32 +    INSERT INTO t1 VALUES(1);
    1.33 +  }
    1.34 +  execsql {
    1.35 +    SELECT * FROM t1
    1.36 +  } db2
    1.37 +} 1
    1.38 +
    1.39 +# Get a deferred lock on the database using one connection.  The
    1.40 +# other connection should still be able to write.
    1.41 +#
    1.42 +do_test lock3-2.1 {
    1.43 +  execsql {BEGIN DEFERRED TRANSACTION}
    1.44 +  execsql {INSERT INTO t1 VALUES(2)} db2
    1.45 +  execsql {END TRANSACTION}
    1.46 +  execsql {SELECT * FROM t1}
    1.47 +} {1 2}
    1.48 +
    1.49 +# Get an immediate lock on the database using one connection.  The
    1.50 +# other connection should be able to read the database but not write
    1.51 +# it.
    1.52 +#
    1.53 +do_test lock3-3.1 {
    1.54 +  execsql {BEGIN IMMEDIATE TRANSACTION}
    1.55 +  catchsql {SELECT * FROM t1} db2
    1.56 +} {0 {1 2}}
    1.57 +do_test lock3-3.2 {
    1.58 +  catchsql {INSERT INTO t1 VALUES(3)} db2
    1.59 +} {1 {database is locked}}
    1.60 +do_test lock3-3.3 {
    1.61 +  execsql {END TRANSACTION}
    1.62 +} {}
    1.63 +
    1.64 +
    1.65 +# Get an exclusive lock on the database using one connection.  The
    1.66 +# other connection should be unable to read or write the database.
    1.67 +#
    1.68 +do_test lock3-4.1 {
    1.69 +  execsql {BEGIN EXCLUSIVE TRANSACTION}
    1.70 +  catchsql {SELECT * FROM t1} db2
    1.71 +} {1 {database is locked}}
    1.72 +do_test lock3-4.2 {
    1.73 +  catchsql {INSERT INTO t1 VALUES(3)} db2
    1.74 +} {1 {database is locked}}
    1.75 +do_test lock3-4.3 {
    1.76 +  execsql {END TRANSACTION}
    1.77 +} {}
    1.78 +
    1.79 +catch {db2 close}
    1.80 +
    1.81 +finish_test