1# 2009 September 15 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# This file implements regression tests for SQLite library. 12# 13# This file implements tests for foreign keys. 14# 15 16set testdir [file dirname $argv0] 17source $testdir/tester.tcl 18 19ifcapable {!foreignkey||!trigger} { 20 finish_test 21 return 22} 23 24# Create a table and some data to work with. 25# 26do_test fkey3-1.1 { 27 execsql { 28 PRAGMA foreign_keys=ON; 29 CREATE TABLE t1(x INTEGER PRIMARY KEY); 30 INSERT INTO t1 VALUES(100); 31 INSERT INTO t1 VALUES(101); 32 CREATE TABLE t2(y INTEGER REFERENCES t1 (x)); 33 INSERT INTO t2 VALUES(100); 34 INSERT INTO t2 VALUES(101); 35 SELECT 1, x FROM t1; 36 SELECT 2, y FROM t2; 37 } 38} {1 100 1 101 2 100 2 101} 39 40do_test fkey3-1.2 { 41 catchsql { 42 DELETE FROM t1 WHERE x=100; 43 } 44} {1 {foreign key constraint failed}} 45 46do_test fkey3-1.3 { 47 catchsql { 48 DROP TABLE t1; 49 } 50} {1 {foreign key constraint failed}} 51 52do_test fkey3-1.4 { 53 execsql { 54 DROP TABLE t2; 55 } 56} {} 57 58do_test fkey3-1.5 { 59 execsql { 60 DROP TABLE t1; 61 } 62} {} 63 64do_test fkey3-2.1 { 65 execsql { 66 PRAGMA foreign_keys=ON; 67 CREATE TABLE t1(x INTEGER PRIMARY KEY); 68 INSERT INTO t1 VALUES(100); 69 INSERT INTO t1 VALUES(101); 70 CREATE TABLE t2(y INTEGER PRIMARY KEY REFERENCES t1 (x) ON UPDATE SET NULL); 71 } 72 execsql { 73 INSERT INTO t2 VALUES(100); 74 INSERT INTO t2 VALUES(101); 75 SELECT 1, x FROM t1; 76 SELECT 2, y FROM t2; 77 } 78} {1 100 1 101 2 100 2 101} 79 80finish_test 81