sl@0: # 2005 November 2
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.  The
sl@0: # focus of this file is testing CHECK constraints
sl@0: #
sl@0: # $Id: check.test,v 1.11 2007/07/23 19:39:47 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # Only run these tests if the build includes support for CHECK constraints
sl@0: ifcapable !check {
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: do_test check-1.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t1(
sl@0:       x INTEGER CHECK( x<5 ),
sl@0:       y REAL CHECK( y>x )
sl@0:     );
sl@0:   }
sl@0: } {}
sl@0: do_test check-1.2 {
sl@0:   execsql {
sl@0:     INSERT INTO t1 VALUES(3,4);
sl@0:     SELECT * FROM t1;
sl@0:   }  
sl@0: } {3 4.0}
sl@0: do_test check-1.3 {
sl@0:   catchsql {
sl@0:     INSERT INTO t1 VALUES(6,7);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-1.4 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }  
sl@0: } {3 4.0}
sl@0: do_test check-1.5 {
sl@0:   catchsql {
sl@0:     INSERT INTO t1 VALUES(4,3);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-1.6 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }  
sl@0: } {3 4.0}
sl@0: do_test check-1.7 {
sl@0:   catchsql {
sl@0:     INSERT INTO t1 VALUES(NULL,6);
sl@0:   }
sl@0: } {0 {}}
sl@0: do_test check-1.8 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }  
sl@0: } {3 4.0 {} 6.0}
sl@0: do_test check-1.9 {
sl@0:   catchsql {
sl@0:     INSERT INTO t1 VALUES(2,NULL);
sl@0:   }
sl@0: } {0 {}}
sl@0: do_test check-1.10 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }  
sl@0: } {3 4.0 {} 6.0 2 {}}
sl@0: do_test check-1.11 {
sl@0:   execsql {
sl@0:     DELETE FROM t1 WHERE x IS NULL OR x!=3;
sl@0:     UPDATE t1 SET x=2 WHERE x==3;
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {2 4.0}
sl@0: do_test check-1.12 {
sl@0:   catchsql {
sl@0:     UPDATE t1 SET x=7 WHERE x==2
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-1.13 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {2 4.0}
sl@0: do_test check-1.14 {
sl@0:   catchsql {
sl@0:     UPDATE t1 SET x=5 WHERE x==2
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-1.15 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {2 4.0}
sl@0: do_test check-1.16 {
sl@0:   catchsql {
sl@0:     UPDATE t1 SET x=4, y=11 WHERE x==2
sl@0:   }
sl@0: } {0 {}}
sl@0: do_test check-1.17 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {4 11.0}
sl@0: 
sl@0: do_test check-2.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t2(
sl@0:       x INTEGER CHECK( typeof(coalesce(x,0))=="integer" ),
sl@0:       y REAL CHECK( typeof(coalesce(y,0.1))=="real" ),
sl@0:       z TEXT CHECK( typeof(coalesce(z,''))=="text" )
sl@0:     );
sl@0:   }
sl@0: } {}
sl@0: do_test check-2.2 {
sl@0:   execsql {
sl@0:     INSERT INTO t2 VALUES(1,2.2,'three');
sl@0:     SELECT * FROM t2;
sl@0:   }
sl@0: } {1 2.2 three}
sl@0: do_test check-2.3 {
sl@0:   execsql {
sl@0:     INSERT INTO t2 VALUES(NULL, NULL, NULL);
sl@0:     SELECT * FROM t2;
sl@0:   }
sl@0: } {1 2.2 three {} {} {}}
sl@0: do_test check-2.4 {
sl@0:   catchsql {
sl@0:     INSERT INTO t2 VALUES(1.1, NULL, NULL);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-2.5 {
sl@0:   catchsql {
sl@0:     INSERT INTO t2 VALUES(NULL, 5, NULL);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-2.6 {
sl@0:   catchsql {
sl@0:     INSERT INTO t2 VALUES(NULL, NULL, 3.14159);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: 
sl@0: ifcapable subquery {
sl@0:   do_test check-3.1 {
sl@0:     catchsql {
sl@0:       CREATE TABLE t3(
sl@0:         x, y, z,
sl@0:         CHECK( x<(SELECT min(x) FROM t1) )
sl@0:       );
sl@0:     }
sl@0:   } {1 {subqueries prohibited in CHECK constraints}}
sl@0: }
sl@0: 
sl@0: do_test check-3.2 {
sl@0:   execsql {
sl@0:     SELECT name FROM sqlite_master ORDER BY name
sl@0:   }
sl@0: } {t1 t2}
sl@0: do_test check-3.3 {
sl@0:   catchsql {
sl@0:     CREATE TABLE t3(
sl@0:       x, y, z,
sl@0:       CHECK( q<x )
sl@0:     );
sl@0:   }
sl@0: } {1 {no such column: q}}
sl@0: do_test check-3.4 {
sl@0:   execsql {
sl@0:     SELECT name FROM sqlite_master ORDER BY name
sl@0:   }
sl@0: } {t1 t2}
sl@0: do_test check-3.5 {
sl@0:   catchsql {
sl@0:     CREATE TABLE t3(
sl@0:       x, y, z,
sl@0:       CHECK( t2.x<x )
sl@0:     );
sl@0:   }
sl@0: } {1 {no such column: t2.x}}
sl@0: do_test check-3.6 {
sl@0:   execsql {
sl@0:     SELECT name FROM sqlite_master ORDER BY name
sl@0:   }
sl@0: } {t1 t2}
sl@0: do_test check-3.7 {
sl@0:   catchsql {
sl@0:     CREATE TABLE t3(
sl@0:       x, y, z,
sl@0:       CHECK( t3.x<25 )
sl@0:     );
sl@0:   }
sl@0: } {0 {}}
sl@0: do_test check-3.8 {
sl@0:   execsql {
sl@0:     INSERT INTO t3 VALUES(1,2,3);
sl@0:     SELECT * FROM t3;
sl@0:   }
sl@0: } {1 2 3}
sl@0: do_test check-3.9 {
sl@0:   catchsql {
sl@0:     INSERT INTO t3 VALUES(111,222,333);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: 
sl@0: do_test check-4.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t4(x, y,
sl@0:       CHECK (
sl@0:            x+y==11
sl@0:         OR x*y==12
sl@0:         OR x/y BETWEEN 5 AND 8
sl@0:         OR -x==y+10
sl@0:       )
sl@0:     );
sl@0:   }
sl@0: } {}
sl@0: do_test check-4.2 {
sl@0:   execsql {
sl@0:     INSERT INTO t4 VALUES(1,10);
sl@0:     SELECT * FROM t4
sl@0:   }
sl@0: } {1 10}
sl@0: do_test check-4.3 {
sl@0:   execsql {
sl@0:     UPDATE t4 SET x=4, y=3;
sl@0:     SELECT * FROM t4
sl@0:   }
sl@0: } {4 3}
sl@0: do_test check-4.3 {
sl@0:   execsql {
sl@0:     UPDATE t4 SET x=12, y=2;
sl@0:     SELECT * FROM t4
sl@0:   }
sl@0: } {12 2}
sl@0: do_test check-4.4 {
sl@0:   execsql {
sl@0:     UPDATE t4 SET x=12, y=-22;
sl@0:     SELECT * FROM t4
sl@0:   }
sl@0: } {12 -22}
sl@0: do_test check-4.5 {
sl@0:   catchsql {
sl@0:     UPDATE t4 SET x=0, y=1;
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-4.6 {
sl@0:   execsql {
sl@0:     SELECT * FROM t4;
sl@0:   }
sl@0: } {12 -22}
sl@0: do_test check-4.7 {
sl@0:   execsql {
sl@0:     PRAGMA ignore_check_constraints=ON;
sl@0:     UPDATE t4 SET x=0, y=1;
sl@0:     SELECT * FROM t4;
sl@0:   }
sl@0: } {0 1}
sl@0: do_test check-4.8 {
sl@0:   catchsql {
sl@0:     PRAGMA ignore_check_constraints=OFF;
sl@0:     UPDATE t4 SET x=0, y=2;
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: ifcapable vacuum {
sl@0:   do_test check_4.9 {
sl@0:     catchsql {
sl@0:       VACUUM
sl@0:     }
sl@0:   } {0 {}}
sl@0: }
sl@0: 
sl@0: do_test check-5.1 {
sl@0:   catchsql {
sl@0:     CREATE TABLE t5(x, y,
sl@0:       CHECK( x*y<:abc )
sl@0:     );
sl@0:   }
sl@0: } {1 {parameters prohibited in CHECK constraints}}
sl@0: do_test check-5.2 {
sl@0:   catchsql {
sl@0:     CREATE TABLE t5(x, y,
sl@0:       CHECK( x*y<? )
sl@0:     );
sl@0:   }
sl@0: } {1 {parameters prohibited in CHECK constraints}}
sl@0: 
sl@0: ifcapable conflict {
sl@0: 
sl@0: do_test check-6.1 {
sl@0:   execsql {SELECT * FROM t1}
sl@0: } {4 11.0}
sl@0: do_test check-6.2 {
sl@0:   execsql {
sl@0:     UPDATE OR IGNORE t1 SET x=5;
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {4 11.0}
sl@0: do_test check-6.3 {
sl@0:   execsql {
sl@0:     INSERT OR IGNORE INTO t1 VALUES(5,4.0);
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {4 11.0}
sl@0: do_test check-6.4 {
sl@0:   execsql {
sl@0:     INSERT OR IGNORE INTO t1 VALUES(2,20.0);
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {4 11.0 2 20.0}
sl@0: do_test check-6.5 {
sl@0:   catchsql {
sl@0:     UPDATE OR FAIL t1 SET x=7-x, y=y+1;
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-6.6 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {3 12.0 2 20.0}
sl@0: do_test check-6.7 {
sl@0:   catchsql {
sl@0:     BEGIN;
sl@0:     INSERT INTO t1 VALUES(1,30.0);
sl@0:     INSERT OR ROLLBACK INTO t1 VALUES(8,40.0);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-6.8 {
sl@0:   catchsql {
sl@0:     COMMIT;
sl@0:   }
sl@0: } {1 {cannot commit - no transaction is active}}
sl@0: do_test check-6.9 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1
sl@0:   }
sl@0: } {3 12.0 2 20.0}
sl@0: 
sl@0: do_test check-6.11 {
sl@0:   execsql {SELECT * FROM t1}
sl@0: } {3 12.0 2 20.0}
sl@0: do_test check-6.12 {
sl@0:   catchsql {
sl@0:     REPLACE INTO t1 VALUES(6,7);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: do_test check-6.13 {
sl@0:   execsql {SELECT * FROM t1}
sl@0: } {3 12.0 2 20.0}
sl@0: do_test check-6.14 {
sl@0:   catchsql {
sl@0:     INSERT OR IGNORE INTO t1 VALUES(6,7);
sl@0:   }
sl@0: } {0 {}}
sl@0: do_test check-6.15 {
sl@0:   execsql {SELECT * FROM t1}
sl@0: } {3 12.0 2 20.0}
sl@0: 
sl@0: 
sl@0: }
sl@0: 
sl@0: finish_test