wasCSharpSQLite – Blame information for rev 1

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1 office 1 # 2007 May 14
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 the built-in SUBSTR() functions.
13 #
14 # $Id: substr.test,v 1.7 2009/02/03 13:10:54 drh Exp $
15  
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
18  
19 ifcapable !tclvar {
20 finish_test
21 return
22 }
23  
24 # Create a table to work with.
25 #
26 execsql {
27 CREATE TABLE t1(t text, b blob)
28 }
29 proc substr-test {id string i1 i2 result} {
30 db eval {
31 DELETE FROM t1;
32 INSERT INTO t1(t) VALUES($string)
33 }
34 do_test substr-$id.1 [subst {
35 execsql {
36 SELECT substr(t, $i1, $i2) FROM t1
37 }
38 }] [list $result]
39 set qstr '[string map {' ''} $string]'
40 do_test substr-$id.2 [subst {
41 execsql {
42 SELECT substr($qstr, $i1, $i2)
43 }
44 }] [list $result]
45 }
46 proc subblob-test {id hex i1 i2 hexresult} {
47 db eval "
48 DELETE FROM t1;
49 INSERT INTO t1(b) VALUES(x'$hex')
50 "
51 do_test substr-$id.1 [subst {
52 execsql {
53 SELECT hex(substr(b, $i1, $i2)) FROM t1
54 }
55 }] [list $hexresult]
56 do_test substr-$id.2 [subst {
57 execsql {
58 SELECT hex(substr(x'$hex', $i1, $i2))
59 }
60 }] [list $hexresult]
61 }
62  
63 # Basic SUBSTR functionality
64 #
65 substr-test 1.1 abcdefg 1 1 a
66 substr-test 1.2 abcdefg 2 1 b
67 substr-test 1.3 abcdefg 1 2 ab
68 substr-test 1.4 abcdefg 1 100 abcdefg
69 substr-test 1.5 abcdefg 0 2 a
70 substr-test 1.6 abcdefg -1 1 g
71 substr-test 1.7 abcdefg -1 10 g
72 substr-test 1.8 abcdefg -5 3 cde
73 substr-test 1.9 abcdefg -7 3 abc
74 substr-test 1.10 abcdefg -100 98 abcde
75 substr-test 1.11 abcdefg 5 -1 d
76 substr-test 1.12 abcdefg 5 -4 abcd
77 substr-test 1.13 abcdefg 5 -5 abcd
78 substr-test 1.14 abcdefg -5 -1 b
79 substr-test 1.15 abcdefg -5 -2 ab
80 substr-test 1.16 abcdefg -5 -3 ab
81 substr-test 1.17 abcdefg 100 200 {}
82 substr-test 1.18 abcdefg 200 100 {}
83  
84 # Make sure NULL is returned if any parameter is NULL
85 #
86 do_test substr-1.90 {
87 db eval {SELECT ifnull(substr(NULL,1,1),'nil')}
88 } nil
89 do_test substr-1.91 {
90 db eval {SELECT ifnull(substr(NULL,1),'nil')}
91 } nil
92 do_test substr-1.92 {
93 db eval {SELECT ifnull(substr('abcdefg',NULL,1),'nil')}
94 } nil
95 do_test substr-1.93 {
96 db eval {SELECT ifnull(substr('abcdefg',NULL),'nil')}
97 } nil
98 do_test substr-1.94 {
99 db eval {SELECT ifnull(substr('abcdefg',1,NULL),'nil')}
100 } nil
101  
102 # Make sure everything works with long unicode characters
103 #
104 substr-test 2.1 \u1234\u2345\u3456 1 1 \u1234
105 substr-test 2.2 \u1234\u2345\u3456 2 1 \u2345
106 substr-test 2.3 \u1234\u2345\u3456 1 2 \u1234\u2345
107 substr-test 2.4 \u1234\u2345\u3456 -1 1 \u3456
108 substr-test 2.5 a\u1234b\u2345c\u3456c -5 3 b\u2345c
109 substr-test 2.6 a\u1234b\u2345c\u3456c -2 -3 b\u2345c
110  
111 # Basic functionality for BLOBs
112 #
113 subblob-test 3.1 61626364656667 1 1 61
114 subblob-test 3.2 61626364656667 2 1 62
115 subblob-test 3.3 61626364656667 1 2 6162
116 subblob-test 3.4 61626364656667 1 100 61626364656667
117 subblob-test 3.5 61626364656667 0 2 61
118 subblob-test 3.6 61626364656667 -1 1 67
119 subblob-test 3.7 61626364656667 -1 10 67
120 subblob-test 3.8 61626364656667 -5 3 636465
121 subblob-test 3.9 61626364656667 -7 3 616263
122 subblob-test 3.10 61626364656667 -100 98 6162636465
123 subblob-test 3.11 61626364656667 100 200 {}
124 subblob-test 3.12 61626364656667 200 100 {}
125  
126 # If these blobs were strings, then they would contain multi-byte
127 # characters. But since they are blobs, the substr indices refer
128 # to bytes.
129 #
130 subblob-test 4.1 61E188B462E28D8563E3919663 1 1 61
131 subblob-test 4.2 61E188B462E28D8563E3919663 2 1 E1
132 subblob-test 4.3 61E188B462E28D8563E3919663 1 2 61E1
133 subblob-test 4.4 61E188B462E28D8563E3919663 -2 1 96
134 subblob-test 4.5 61E188B462E28D8563E3919663 -5 4 63E39196
135 subblob-test 4.6 61E188B462E28D8563E3919663 -100 98 61E188B462E28D8563E391
136  
137 # Two-argument SUBSTR
138 #
139 proc substr-2-test {id string idx result} {
140 db eval {
141 DELETE FROM t1;
142 INSERT INTO t1(t) VALUES($string)
143 }
144 do_test substr-$id.1 [subst {
145 execsql {
146 SELECT substr(t, $idx) FROM t1
147 }
148 }] [list $result]
149 set qstr '[string map {' ''} $string]'
150 do_test substr-$id.2 [subst {
151 execsql {
152 SELECT substr($qstr, $idx)
153 }
154 }] [list $result]
155 }
156 substr-2-test 5.1 abcdefghijklmnop 5 efghijklmnop
157 substr-2-test 5.2 abcdef -5 bcdef
158  
159 finish_test