wasCSharpSQLite – Blame information for rev 1

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1 office 1 # 2008 April 1
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 #
12 # Test cases designed to exercise and verify the logic for
13 # factoring constant expressions out of loops and for
14 # common subexpression eliminations.
15 #
16 # $Id: cse.test,v 1.6 2008/08/04 03:51:24 danielk1977 Exp $
17 #
18  
19 set testdir [file dirname $argv0]
20 source $testdir/tester.tcl
21  
22 do_test cse-1.1 {
23 execsql {
24 CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c, d, e, f);
25 INSERT INTO t1 VALUES(1,11,12,13,14,15);
26 INSERT INTO t1 VALUES(2,21,22,23,24,25);
27 }
28 execsql {
29 SELECT b, -b, ~b, NOT b, NOT NOT b, b-b, b+b, b*b, b/b, b FROM t1
30 }
31 } {11 -11 -12 0 1 0 22 121 1 11 21 -21 -22 0 1 0 42 441 1 21}
32 do_test cse-1.2 {
33 execsql {
34 SELECT b, b%b, b==b, b!=b, b<b, b<=b, b IS NULL, b NOT NULL, b FROM t1
35 }
36 } {11 0 1 0 0 1 0 1 11 21 0 1 0 0 1 0 1 21}
37 do_test cse-1.3 {
38 execsql {
39 SELECT b, abs(b), coalesce(b,-b,NOT b,c,NOT c), c, -c FROM t1;
40 }
41 } {11 11 11 12 -12 21 21 21 22 -22}
42 do_test cse-1.4 {
43 execsql {
44 SELECT CASE WHEN a==1 THEN b ELSE c END, b, c FROM t1
45 }
46 } {11 11 12 22 21 22}
47 do_test cse-1.5 {
48 execsql {
49 SELECT CASE a WHEN 1 THEN b WHEN 2 THEN c ELSE d END, b, c, d FROM t1
50 }
51 } {11 11 12 13 22 21 22 23}
52 do_test cse-1.6.1 {
53 execsql {
54 SELECT CASE b WHEN 11 THEN -b WHEN 21 THEN -c ELSE -d END, b, c, d FROM t1
55 }
56 } {-11 11 12 13 -22 21 22 23}
57 do_test cse-1.6.2 {
58 execsql {
59 SELECT CASE b+1 WHEN c THEN d WHEN e THEN f ELSE 999 END, b, c, d FROM t1
60 }
61 } {13 11 12 13 23 21 22 23}
62 do_test cse-1.6.3 {
63 execsql {
64 SELECT CASE WHEN b THEN d WHEN e THEN f ELSE 999 END, b, c, d FROM t1
65 }
66 } {13 11 12 13 23 21 22 23}
67 do_test cse-1.6.4 {
68 execsql {
69 SELECT b, c, d, CASE WHEN b THEN d WHEN e THEN f ELSE 999 END FROM t1
70 }
71 } {11 12 13 13 21 22 23 23}
72 do_test cse-1.6.5 {
73 execsql {
74 SELECT b, c, d, CASE WHEN 0 THEN d WHEN e THEN f ELSE 999 END FROM t1
75 }
76 } {11 12 13 15 21 22 23 25}
77 do_test cse-1.7 {
78 execsql {
79 SELECT a, -a, ~a, NOT a, NOT NOT a, a-a, a+a, a*a, a/a, a FROM t1
80 }
81 } {1 -1 -2 0 1 0 2 1 1 1 2 -2 -3 0 1 0 4 4 1 2}
82 do_test cse-1.8 {
83 execsql {
84 SELECT a, a%a, a==a, a!=a, a<a, a<=a, a IS NULL, a NOT NULL, a FROM t1
85 }
86 } {1 0 1 0 0 1 0 1 1 2 0 1 0 0 1 0 1 2}
87 do_test cse-1.9 {
88 execsql {
89 SELECT NOT b, ~b, NOT NOT b, b FROM t1
90 }
91 } {0 -12 1 11 0 -22 1 21}
92 do_test cse-1.10 {
93 execsql {
94 SELECT CAST(b AS integer), typeof(b), CAST(b AS text), typeof(b) FROM t1
95 }
96 } {11 integer 11 integer 21 integer 21 integer}
97 ifcapable compound {
98 do_test cse-1.11 {
99 execsql {
100 SELECT *,* FROM t1 WHERE a=2
101 UNION ALL
102 SELECT *,* FROM t1 WHERE a=1
103 }
104 } {2 21 22 23 24 25 2 21 22 23 24 25 1 11 12 13 14 15 1 11 12 13 14 15}
105 do_test cse-1.12 {
106 execsql {
107 SELECT coalesce(b,c,d,e), a, b, c, d, e FROM t1 WHERE a=2
108 UNION ALL
109 SELECT coalesce(e,d,c,b), e, d, c, b, a FROM t1 WHERE a=1
110 }
111 } {21 2 21 22 23 24 14 14 13 12 11 1}
112 }
113 do_test cse-1.13 {
114 execsql {
115 SELECT upper(b), typeof(b), b FROM t1
116 }
117 } {11 integer 11 21 integer 21}
118 do_test cse-1.14 {
119 execsql {
120 SELECT b, typeof(b), upper(b), typeof(b), b FROM t1
121 }
122 } {11 integer 11 integer 11 21 integer 21 integer 21}
123  
124 # Overflow the column cache. Create queries involving more and more
125 # columns until the cache overflows. Verify correct operation throughout.
126 #
127 do_test cse-2.1 {
128 execsql {
129 CREATE TABLE t2(a0,a1,a2,a3,a4,a5,a6,a7,a8,a9,
130 a10,a11,a12,a13,a14,a15,a16,a17,a18,a19,
131 a20,a21,a22,a23,a24,a25,a26,a27,a28,a29,
132 a30,a31,a32,a33,a34,a35,a36,a37,a38,a39,
133 a40,a41,a42,a43,a44,a45,a46,a47,a48,a49);
134 INSERT INTO t2 VALUES(0,1,2,3,4,5,6,7,8,9,
135 10,11,12,13,14,15,16,17,18,19,
136 20,21,22,23,24,25,26,27,28,29,
137 30,31,32,33,34,35,36,37,38,39,
138 40,41,42,43,44,45,46,47,48,49);
139 SELECT * FROM t2;
140 }
141 } {0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49}
142  
143 for {set i 1} {$i<100} {incr i} {
144 set n [expr {int(rand()*44)+5}]
145 set colset {}
146 set answer {}
147 for {set j 0} {$j<$n} {incr j} {
148 set r [expr {$j+int(rand()*5)}]
149 if {$r>49} {set r [expr {99-$r}]}
150 lappend colset a$j a$r
151 lappend answer $j $r
152 }
153 set sql "SELECT [join $colset ,] FROM t2"
154 do_test cse-2.2.$i {
155 # explain $::sql
156 execsql $::sql
157 } $answer
158 }
159  
160 finish_test