sqlcipher/test/fkey6.test

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# 2013-07-11
#
# 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 tests the PRAGMA defer_foreign_keys and
# SQLITE_DBSTATUS_DEFERRED_FKS
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!foreignkey} {
finish_test
return
}
do_execsql_test fkey6-1.1 {
PRAGMA foreign_keys=ON;
CREATE TABLE t1(x INTEGER PRIMARY KEY);
CREATE TABLE t2(y INTEGER PRIMARY KEY,
z INTEGER REFERENCES t1(x) DEFERRABLE INITIALLY DEFERRED);
CREATE INDEX t2z ON t2(z);
CREATE TABLE t3(u INTEGER PRIMARY KEY, v INTEGER REFERENCES t1(x));
CREATE INDEX t3v ON t3(v);
INSERT INTO t1 VALUES(1),(2),(3),(4),(5);
INSERT INTO t2 VALUES(1,1),(2,2);
INSERT INTO t3 VALUES(3,3),(4,4);
} {}
do_test fkey6-1.2 {
catchsql {DELETE FROM t1 WHERE x=2;}
} {1 {foreign key constraint failed}}
do_test fkey6-1.3 {
sqlite3_db_status db DBSTATUS_DEFERRED_FKS 0
} {0 0 0}
do_test fkey6-1.4 {
execsql {
BEGIN;
DELETE FROM t1 WHERE x=1;
}
} {}
do_test fkey6-1.5.1 {
sqlite3_db_status db DBSTATUS_DEFERRED_FKS 1
} {0 1 0}
do_test fkey6-1.5.2 {
sqlite3_db_status db DBSTATUS_DEFERRED_FKS 0
} {0 1 0}
do_test fkey6-1.6 {
execsql {
ROLLBACK;
}
} {}
do_test fkey6-1.7 {
sqlite3_db_status db DBSTATUS_DEFERRED_FKS 0
} {0 0 0}
do_test fkey6-1.8 {
execsql {
PRAGMA defer_foreign_keys=ON;
BEGIN;
DELETE FROM t1 WHERE x=3;
}
} {}
do_test fkey6-1.9 {
sqlite3_db_status db DBSTATUS_DEFERRED_FKS 0
} {0 1 0}
do_test fkey6-1.10 {
execsql {
ROLLBACK;
PRAGMA defer_foreign_keys=OFF;
BEGIN;
}
catchsql {DELETE FROM t1 WHERE x=3}
} {1 {foreign key constraint failed}}
db eval {ROLLBACK}
do_test fkey6-1.20 {
execsql {
BEGIN;
DELETE FROM t1 WHERE x=1;
}
sqlite3_db_status db DBSTATUS_DEFERRED_FKS 0
} {0 1 0}
do_test fkey6-1.21 {
execsql {
DELETE FROM t2 WHERE y=1;
}
sqlite3_db_status db DBSTATUS_DEFERRED_FKS 0
} {0 0 0}
do_test fkey6-1.22 {
execsql {
COMMIT;
}
} {}
finish_test