xref: /sqlite-3.40.0/test/check.test (revision aa01c7e2) 
1# 2005 November 2
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.  The
12# focus of this file is testing CHECK constraints
13#
14# $Id: check.test,v 1.9 2006/03/15 16:26:10 drh Exp $
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19# Only run these tests if the build includes support for CHECK constraints
20ifcapable !check {
21  finish_test
22  return
23}
24
25do_test check-1.1 {
26  execsql {
27    CREATE TABLE t1(
28      x INTEGER CHECK( x<5 ),
29      y REAL CHECK( y>x )
30    );
31  }
32} {}
33do_test check-1.2 {
34  execsql {
35    INSERT INTO t1 VALUES(3,4);
36    SELECT * FROM t1;
37  }
38} {3 4.0}
39do_test check-1.3 {
40  catchsql {
41    INSERT INTO t1 VALUES(6,7);
42  }
43} {1 {constraint failed}}
44do_test check-1.4 {
45  execsql {
46    SELECT * FROM t1;
47  }
48} {3 4.0}
49do_test check-1.5 {
50  catchsql {
51    INSERT INTO t1 VALUES(4,3);
52  }
53} {1 {constraint failed}}
54do_test check-1.6 {
55  execsql {
56    SELECT * FROM t1;
57  }
58} {3 4.0}
59do_test check-1.7 {
60  catchsql {
61    INSERT INTO t1 VALUES(NULL,6);
62  }
63} {0 {}}
64do_test check-1.8 {
65  execsql {
66    SELECT * FROM t1;
67  }
68} {3 4.0 {} 6.0}
69do_test check-1.9 {
70  catchsql {
71    INSERT INTO t1 VALUES(2,NULL);
72  }
73} {0 {}}
74do_test check-1.10 {
75  execsql {
76    SELECT * FROM t1;
77  }
78} {3 4.0 {} 6.0 2 {}}
79do_test check-1.11 {
80  execsql {
81    DELETE FROM t1 WHERE x IS NULL OR x!=3;
82    UPDATE t1 SET x=2 WHERE x==3;
83    SELECT * FROM t1;
84  }
85} {2 4.0}
86do_test check-1.12 {
87  catchsql {
88    UPDATE t1 SET x=7 WHERE x==2
89  }
90} {1 {constraint failed}}
91do_test check-1.13 {
92  execsql {
93    SELECT * FROM t1;
94  }
95} {2 4.0}
96do_test check-1.14 {
97  catchsql {
98    UPDATE t1 SET x=5 WHERE x==2
99  }
100} {1 {constraint failed}}
101do_test check-1.15 {
102  execsql {
103    SELECT * FROM t1;
104  }
105} {2 4.0}
106do_test check-1.16 {
107  catchsql {
108    UPDATE t1 SET x=4, y=11 WHERE x==2
109  }
110} {0 {}}
111do_test check-1.17 {
112  execsql {
113    SELECT * FROM t1;
114  }
115} {4 11.0}
116
117do_test check-2.1 {
118  execsql {
119    CREATE TABLE t2(
120      x INTEGER CHECK( typeof(coalesce(x,0))=="integer" ),
121      y REAL CHECK( typeof(coalesce(y,0.1))=="real" ),
122      z TEXT CHECK( typeof(coalesce(z,''))=="text" )
123    );
124  }
125} {}
126do_test check-2.2 {
127  execsql {
128    INSERT INTO t2 VALUES(1,2.2,'three');
129    SELECT * FROM t2;
130  }
131} {1 2.2 three}
132do_test check-2.3 {
133  execsql {
134    INSERT INTO t2 VALUES(NULL, NULL, NULL);
135    SELECT * FROM t2;
136  }
137} {1 2.2 three {} {} {}}
138do_test check-2.4 {
139  catchsql {
140    INSERT INTO t2 VALUES(1.1, NULL, NULL);
141  }
142} {1 {constraint failed}}
143do_test check-2.5 {
144  catchsql {
145    INSERT INTO t2 VALUES(NULL, 5, NULL);
146  }
147} {1 {constraint failed}}
148do_test check-2.6 {
149  catchsql {
150    INSERT INTO t2 VALUES(NULL, NULL, 3.14159);
151  }
152} {1 {constraint failed}}
153
154ifcapable subquery {
155  do_test check-3.1 {
156    catchsql {
157      CREATE TABLE t3(
158        x, y, z,
159        CHECK( x<(SELECT min(x) FROM t1) )
160      );
161    }
162  } {1 {subqueries prohibited in CHECK constraints}}
163}
164
165do_test check-3.2 {
166  execsql {
167    SELECT name FROM sqlite_master ORDER BY name
168  }
169} {t1 t2}
170do_test check-3.3 {
171  catchsql {
172    CREATE TABLE t3(
173      x, y, z,
174      CHECK( q<x )
175    );
176  }
177} {1 {no such column: q}}
178do_test check-3.4 {
179  execsql {
180    SELECT name FROM sqlite_master ORDER BY name
181  }
182} {t1 t2}
183do_test check-3.5 {
184  catchsql {
185    CREATE TABLE t3(
186      x, y, z,
187      CHECK( t2.x<x )
188    );
189  }
190} {1 {no such column: t2.x}}
191do_test check-3.6 {
192  execsql {
193    SELECT name FROM sqlite_master ORDER BY name
194  }
195} {t1 t2}
196do_test check-3.7 {
197  catchsql {
198    CREATE TABLE t3(
199      x, y, z,
200      CHECK( t3.x<25 )
201    );
202  }
203} {0 {}}
204do_test check-3.8 {
205  execsql {
206    INSERT INTO t3 VALUES(1,2,3);
207    SELECT * FROM t3;
208  }
209} {1 2 3}
210do_test check-3.9 {
211  catchsql {
212    INSERT INTO t3 VALUES(111,222,333);
213  }
214} {1 {constraint failed}}
215
216do_test check-4.1 {
217  execsql {
218    CREATE TABLE t4(x, y,
219      CHECK (
220           x+y==11
221        OR x*y==12
222        OR x/y BETWEEN 5 AND 8
223        OR -x==y+10
224      )
225    );
226  }
227} {}
228do_test check-4.2 {
229  execsql {
230    INSERT INTO t4 VALUES(1,10);
231    SELECT * FROM t4
232  }
233} {1 10}
234do_test check-4.3 {
235  execsql {
236    UPDATE t4 SET x=4, y=3;
237    SELECT * FROM t4
238  }
239} {4 3}
240do_test check-4.3 {
241  execsql {
242    UPDATE t4 SET x=12, y=2;
243    SELECT * FROM t4
244  }
245} {12 2}
246do_test check-4.4 {
247  execsql {
248    UPDATE t4 SET x=12, y=-22;
249    SELECT * FROM t4
250  }
251} {12 -22}
252do_test check-4.5 {
253  catchsql {
254    UPDATE t4 SET x=0, y=1;
255  }
256} {1 {constraint failed}}
257do_test check-4.6 {
258  execsql {
259    SELECT * FROM t4;
260  }
261} {12 -22}
262do_test check-4.7 {
263  execsql {
264    PRAGMA ignore_check_constraints=ON;
265    UPDATE t4 SET x=0, y=1;
266    SELECT * FROM t4;
267  }
268} {0 1}
269do_test check-4.8 {
270  catchsql {
271    PRAGMA ignore_check_constraints=OFF;
272    UPDATE t4 SET x=0, y=2;
273  }
274} {1 {constraint failed}}
275ifcapable vacuum {
276  do_test check_4.9 {
277    catchsql {
278      VACUUM
279    }
280  } {0 {}}
281}
282
283do_test check-5.1 {
284  catchsql {
285    CREATE TABLE t5(x, y,
286      CHECK( x*y<:abc )
287    );
288  }
289} {1 {parameters prohibited in CHECK constraints}}
290do_test check-5.2 {
291  catchsql {
292    CREATE TABLE t5(x, y,
293      CHECK( x*y<? )
294    );
295  }
296} {1 {parameters prohibited in CHECK constraints}}
297
298do_test check-6.1 {
299  execsql {SELECT * FROM t1}
300} {4 11.0}
301do_test check-6.2 {
302  execsql {
303    UPDATE OR IGNORE t1 SET x=5;
304    SELECT * FROM t1;
305  }
306} {4 11.0}
307do_test check-6.3 {
308  execsql {
309    INSERT OR IGNORE INTO t1 VALUES(5,4.0);
310    SELECT * FROM t1;
311  }
312} {4 11.0}
313do_test check-6.4 {
314  execsql {
315    INSERT OR IGNORE INTO t1 VALUES(2,20.0);
316    SELECT * FROM t1;
317  }
318} {4 11.0 2 20.0}
319do_test check-6.5 {
320  catchsql {
321    UPDATE OR FAIL t1 SET x=7-x, y=y+1;
322  }
323} {1 {constraint failed}}
324do_test check-6.6 {
325  execsql {
326    SELECT * FROM t1;
327  }
328} {3 12.0 2 20.0}
329do_test check-6.7 {
330  catchsql {
331    BEGIN;
332    INSERT INTO t1 VALUES(1,30.0);
333    INSERT OR ROLLBACK INTO t1 VALUES(8,40.0);
334  }
335} {1 {constraint failed}}
336do_test check-6.8 {
337  catchsql {
338    COMMIT;
339  }
340} {1 {cannot commit - no transaction is active}}
341do_test check-6.9 {
342  execsql {
343    SELECT * FROM t1
344  }
345} {3 12.0 2 20.0}
346
347
348
349finish_test
350