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+# 2005 November 2
+#
+# 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. The
+# focus of this file is testing CHECK constraints
+#
+# $Id: check.test,v 1.13 2009/06/05 17:09:12 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Only run these tests if the build includes support for CHECK constraints
+ifcapable !check {
+ finish_test
+ return
+}
+
+do_test check-1.1 {
+ execsql {
+ CREATE TABLE t1(
+ x INTEGER CHECK( x<5 ),
+ y REAL CHECK( y>x )
+ );
+ }
+} {}
+do_test check-1.2 {
+ execsql {
+ INSERT INTO t1 VALUES(3,4);
+ SELECT * FROM t1;
+ }
+} {3 4.0}
+do_test check-1.3 {
+ catchsql {
+ INSERT INTO t1 VALUES(6,7);
+ }
+} {1 {constraint failed}}
+do_test check-1.4 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0}
+do_test check-1.5 {
+ catchsql {
+ INSERT INTO t1 VALUES(4,3);
+ }
+} {1 {constraint failed}}
+do_test check-1.6 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0}
+do_test check-1.7 {
+ catchsql {
+ INSERT INTO t1 VALUES(NULL,6);
+ }
+} {0 {}}
+do_test check-1.8 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0 {} 6.0}
+do_test check-1.9 {
+ catchsql {
+ INSERT INTO t1 VALUES(2,NULL);
+ }
+} {0 {}}
+do_test check-1.10 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0 {} 6.0 2 {}}
+do_test check-1.11 {
+ execsql {
+ DELETE FROM t1 WHERE x IS NULL OR x!=3;
+ UPDATE t1 SET x=2 WHERE x==3;
+ SELECT * FROM t1;
+ }
+} {2 4.0}
+do_test check-1.12 {
+ catchsql {
+ UPDATE t1 SET x=7 WHERE x==2
+ }
+} {1 {constraint failed}}
+do_test check-1.13 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {2 4.0}
+do_test check-1.14 {
+ catchsql {
+ UPDATE t1 SET x=5 WHERE x==2
+ }
+} {1 {constraint failed}}
+do_test check-1.15 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {2 4.0}
+do_test check-1.16 {
+ catchsql {
+ UPDATE t1 SET x=4, y=11 WHERE x==2
+ }
+} {0 {}}
+do_test check-1.17 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {4 11.0}
+
+do_test check-2.1 {
+ execsql {
+ CREATE TABLE t2(
+ x INTEGER CHECK( typeof(coalesce(x,0))=="integer" ),
+ y REAL CHECK( typeof(coalesce(y,0.1))=='real' ),
+ z TEXT CHECK( typeof(coalesce(z,''))=='text' )
+ );
+ }
+} {}
+do_test check-2.2 {
+ execsql {
+ INSERT INTO t2 VALUES(1,2.2,'three');
+ SELECT * FROM t2;
+ }
+} {1 2.2 three}
+db close
+sqlite3 db test.db
+do_test check-2.3 {
+ execsql {
+ INSERT INTO t2 VALUES(NULL, NULL, NULL);
+ SELECT * FROM t2;
+ }
+} {1 2.2 three {} {} {}}
+do_test check-2.4 {
+ catchsql {
+ INSERT INTO t2 VALUES(1.1, NULL, NULL);
+ }
+} {1 {constraint failed}}
+do_test check-2.5 {
+ catchsql {
+ INSERT INTO t2 VALUES(NULL, 5, NULL);
+ }
+} {1 {constraint failed}}
+do_test check-2.6 {
+ catchsql {
+ INSERT INTO t2 VALUES(NULL, NULL, 3.14159);
+ }
+} {1 {constraint failed}}
+
+ifcapable subquery {
+ do_test check-3.1 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( x<(SELECT min(x) FROM t1) )
+ );
+ }
+ } {1 {subqueries prohibited in CHECK constraints}}
+}
+
+do_test check-3.2 {
+ execsql {
+ SELECT name FROM sqlite_master ORDER BY name
+ }
+} {t1 t2}
+do_test check-3.3 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( q<x )
+ );
+ }
+} {1 {no such column: q}}
+do_test check-3.4 {
+ execsql {
+ SELECT name FROM sqlite_master ORDER BY name
+ }
+} {t1 t2}
+do_test check-3.5 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( t2.x<x )
+ );
+ }
+} {1 {no such column: t2.x}}
+do_test check-3.6 {
+ execsql {
+ SELECT name FROM sqlite_master ORDER BY name
+ }
+} {t1 t2}
+do_test check-3.7 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( t3.x<25 )
+ );
+ }
+} {0 {}}
+do_test check-3.8 {
+ execsql {
+ INSERT INTO t3 VALUES(1,2,3);
+ SELECT * FROM t3;
+ }
+} {1 2 3}
+do_test check-3.9 {
+ catchsql {
+ INSERT INTO t3 VALUES(111,222,333);
+ }
+} {1 {constraint failed}}
+
+do_test check-4.1 {
+ execsql {
+ CREATE TABLE t4(x, y,
+ CHECK (
+ x+y==11
+ OR x*y==12
+ OR x/y BETWEEN 5 AND 8
+ OR -x==y+10
+ )
+ );
+ }
+} {}
+do_test check-4.2 {
+ execsql {
+ INSERT INTO t4 VALUES(1,10);
+ SELECT * FROM t4
+ }
+} {1 10}
+do_test check-4.3 {
+ execsql {
+ UPDATE t4 SET x=4, y=3;
+ SELECT * FROM t4
+ }
+} {4 3}
+do_test check-4.3 {
+ execsql {
+ UPDATE t4 SET x=12, y=2;
+ SELECT * FROM t4
+ }
+} {12 2}
+do_test check-4.4 {
+ execsql {
+ UPDATE t4 SET x=12, y=-22;
+ SELECT * FROM t4
+ }
+} {12 -22}
+do_test check-4.5 {
+ catchsql {
+ UPDATE t4 SET x=0, y=1;
+ }
+} {1 {constraint failed}}
+do_test check-4.6 {
+ execsql {
+ SELECT * FROM t4;
+ }
+} {12 -22}
+do_test check-4.7 {
+ execsql {
+ PRAGMA ignore_check_constraints=ON;
+ UPDATE t4 SET x=0, y=1;
+ SELECT * FROM t4;
+ }
+} {0 1}
+do_test check-4.8 {
+ catchsql {
+ PRAGMA ignore_check_constraints=OFF;
+ UPDATE t4 SET x=0, y=2;
+ }
+} {1 {constraint failed}}
+ifcapable vacuum {
+ do_test check_4.9 {
+ catchsql {
+ VACUUM
+ }
+ } {0 {}}
+}
+
+do_test check-5.1 {
+ catchsql {
+ CREATE TABLE t5(x, y,
+ CHECK( x*y<:abc )
+ );
+ }
+} {1 {parameters prohibited in CHECK constraints}}
+do_test check-5.2 {
+ catchsql {
+ CREATE TABLE t5(x, y,
+ CHECK( x*y<? )
+ );
+ }
+} {1 {parameters prohibited in CHECK constraints}}
+
+ifcapable conflict {
+
+do_test check-6.1 {
+ execsql {SELECT * FROM t1}
+} {4 11.0}
+do_test check-6.2 {
+ execsql {
+ UPDATE OR IGNORE t1 SET x=5;
+ SELECT * FROM t1;
+ }
+} {4 11.0}
+do_test check-6.3 {
+ execsql {
+ INSERT OR IGNORE INTO t1 VALUES(5,4.0);
+ SELECT * FROM t1;
+ }
+} {4 11.0}
+do_test check-6.4 {
+ execsql {
+ INSERT OR IGNORE INTO t1 VALUES(2,20.0);
+ SELECT * FROM t1;
+ }
+} {4 11.0 2 20.0}
+do_test check-6.5 {
+ catchsql {
+ UPDATE OR FAIL t1 SET x=7-x, y=y+1;
+ }
+} {1 {constraint failed}}
+do_test check-6.6 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 12.0 2 20.0}
+do_test check-6.7 {
+ catchsql {
+ BEGIN;
+ INSERT INTO t1 VALUES(1,30.0);
+ INSERT OR ROLLBACK INTO t1 VALUES(8,40.0);
+ }
+} {1 {constraint failed}}
+do_test check-6.8 {
+ catchsql {
+ COMMIT;
+ }
+} {1 {cannot commit - no transaction is active}}
+do_test check-6.9 {
+ execsql {
+ SELECT * FROM t1
+ }
+} {3 12.0 2 20.0}
+
+do_test check-6.11 {
+ execsql {SELECT * FROM t1}
+} {3 12.0 2 20.0}
+do_test check-6.12 {
+ catchsql {
+ REPLACE INTO t1 VALUES(6,7);
+ }
+} {1 {constraint failed}}
+do_test check-6.13 {
+ execsql {SELECT * FROM t1}
+} {3 12.0 2 20.0}
+do_test check-6.14 {
+ catchsql {
+ INSERT OR IGNORE INTO t1 VALUES(6,7);
+ }
+} {0 {}}
+do_test check-6.15 {
+ execsql {SELECT * FROM t1}
+} {3 12.0 2 20.0}
+
+
+}
+
+finish_test
generated by cgit v1.1 at 2025-01-17 07:27:13 +0000