xref: /sqlite-3.40.0/test/intreal.test (revision 337cc399) 
1# 2019-05-03
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# Tests to exercise the MEM_IntReal representation of Mem objects.
12#
13set testdir [file dirname $argv0]
14source $testdir/tester.tcl
15set ::testprefix intreal
16
17sqlite3_create_function db
18do_execsql_test 100 {
19  SELECT intreal(5);
20} {5.0}
21do_execsql_test 110 {
22  SELECT intreal(5)=5, 6=intreal(6);
23} {1 1}
24do_execsql_test 120 {
25  SELECT intreal(7)=7.0, 8.0=intreal(8);
26} {1 1}
27do_execsql_test 130 {
28  SELECT typeof(intreal(9));
29} {real}
30do_execsql_test 140 {
31  SELECT 'a'||intreal(11)||'z';
32} {a11.0z}
33
34do_execsql_test 150 {
35  SELECT max(1.0,intreal(2),3.0), max(1,intreal(2),3);
36} {3.0 3}
37do_execsql_test 160 {
38  SELECT max(1.0,intreal(4),3.0), max(1,intreal(4),3);
39} {4.0 4.0}
40do_execsql_test 170 {
41  SELECT max(1.0,intreal(2),intreal(3),4.0),
42         max(1,intreal(2),intreal(3),4);
43} {4.0 4}
44do_execsql_test 180 {
45  SELECT max(1.0,intreal(5),intreal(3),4.0),
46         max(1,intreal(5),intreal(3),4);
47} {5.0 5.0}
48
49#-------------------------------------------------------------------------
50do_execsql_test 2.1 {
51  CREATE TABLE t2(a REAL);
52  INSERT INTO t2 VALUES( 836627109860825358 );
53  SELECT substr(a,1,4) FROM t2 WHERE a = CAST(836627109860825358 AS REAL);
54} {8.36}
55
56do_execsql_test 2.2 {
57  CREATE INDEX i2 ON t2(a);
58  SELECT substr(a,1,4) FROM t2 WHERE a = CAST(836627109860825358 AS REAL);
59} {8.36}
60
61do_execsql_test 2.3 {
62  CREATE TABLE t0 (c0);
63  CREATE TABLE t1 (c1 REAL);
64  INSERT INTO t1(c1) VALUES (8366271098608253588);
65  INSERT INTO t0(c0) VALUES ('a');
66}
67set D [db one {SELECT c1 FROM t1}]
68
69do_execsql_test 2.4 {
70  SELECT * FROM t1 WHERE (t1.c1 = CAST(8366271098608253588 AS REAL));
71} $D
72
73do_execsql_test 2.5 {
74  SELECT * FROM t0, t1 WHERE (t1.c1 = CAST(8366271098608253588 AS REAL));
75} [list a $D]
76
77do_execsql_test 2.6 {
78  SELECT * FROM t0, t1
79  WHERE (
80        t1.c1 >= CAST(8366271098608253588 AS REAL)
81    AND t1.c1 <= CAST(8366271098608253588 AS REAL)
82  );
83} [list a $D]
84
85# 2019-07-29 ticket ba2f4585cf495231
86#
87db close
88sqlite3 db :memory:
89do_execsql_test 3.0 {
90  CREATE TABLE t0 (c0 REAL, c1);
91  CREATE UNIQUE INDEX i0 ON t0(c1, 0 | c0);
92  INSERT INTO t0(c0) VALUES (4750228396194493326), (0);
93  UPDATE OR REPLACE t0 SET c0 = 'a', c1 = '';
94  SELECT * FROM t0 ORDER BY t0.c1;
95  PRAGMA integrity_check;
96} {a {} ok}
97
98finish_test
99