sqlite/test/shared7.test
drh c47fd8e031 Disallow attaching the same database multiple times to the same db connection
in shared cache mode, since doing so leads to deadlock. (CVS 6578)

FossilOrigin-Name: 715f14f1dcaf604d4794bf3e18e245d4f8c5d5a9
2009-04-30 13:30:32 +00:00

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# 2009 April 30
#
# 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.
#
#***********************************************************************
#
# Make sure that attaching the same database multiple times in
# shared cache mode fails.
#
# $Id: shared7.test,v 1.1 2009/04/30 13:30:33 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !shared_cache { finish_test ; return }
do_test shared7-1.1 {
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
sqlite3_enable_shared_cache
} {1}
do_test shared7-1.2 {
db close
sqlite3 db test.db
db eval {
CREATE TABLE t1(x);
}
catchsql {
ATTACH 'test.db' AS err1;
}
} {1 {database is already attached}}
do_test shared7-1.3 {
file delete -force test2.db test2.db-journal
db eval {
ATTACH 'test2.db' AS test2;
CREATE TABLE test2.t2(y);
}
catchsql {
ATTACH 'test2.db' AS err2;
}
} {1 {database is already attached}}
do_test shared7-1.4 {
catchsql {
ATTACH 'test.db' AS err1;
}
} {1 {database is already attached}}
sqlite3_enable_shared_cache $::enable_shared_cache
finish_test