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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
# 2023 January 23
#
# 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.
#
#***********************************************************************
#
set testdir [file dirname $argv0]
source [file join $testdir tester.tcl]
set testprefix unhex
foreach {tn hex} {
1 0000
2 FFFF
3 0123456789ABCDEF
} {
do_execsql_test 1.$tn.1 {
SELECT hex( unhex( $hex ) );
} $hex
do_execsql_test 1.$tn.2 {
SELECT hex( unhex( lower( $hex ) ) );
} $hex
}
do_execsql_test 2.0 {
SELECT typeof( unhex('') ), length( unhex('') );
} {blob 0}
foreach {tn hex} {
1 ABC
2 hello
3 123456x7
4 0xff
} {
do_execsql_test 2.$tn {
SELECT unhex( $hex ) IS NULL;
} 1
}
do_catchsql_test 3.0 {
SELECT unhex();
} {1 {wrong number of arguments to function unhex()}}
do_catchsql_test 3.1 {
SELECT unhex('ABCD', '1234', '');
} {1 {wrong number of arguments to function unhex()}}
#--------------------------------------------------------------------------
# Test the 2-argument version.
#
# Zap global x array set in some previous test.
if {[array exists x]} {array unset x}
foreach {tn hex} {
1 "FFFF ABCD"
2 "FFFF ABCD"
3 "FFFFABCD "
4 " FFFFABCD"
5 "--FFFF AB- -CD- "
6 "--"
7 " --"
} {
set out ""
foreach x [split $hex ""] {
if {[string is xdigit $x]} { append out $x }
}
do_execsql_test 5.$tn.1 {
SELECT hex( unhex($hex, ' -') );
} [list $out]
}
do_execsql_test 6.0 {
SELECT typeof( unhex(' ', ' -') ), length( unhex('-', ' -') );
} {blob 0}
do_execsql_test 6.1 "
SELECT hex( unhex('\u0E01ABCD\u0E02', '\uE01\uE02') )
" {ABCD}
do_execsql_test 6.2 "
SELECT typeof( unhex('\u0E01ABCD\u0E02', '\uE03\uE02') )
" {null}
do_execsql_test 6.3 "
SELECT hex( unhex('\u0E01AB CD\uE02\uE01', '\uE01 \uE02') )
" {ABCD}
#--------------------------------------------------------------------------
# Test that if either argument is NULL, the returned value is also NULL.
#
do_execsql_test 6.4.1 { SELECT typeof(unhex(NULL)) } {null}
do_execsql_test 6.4.2 { SELECT typeof(unhex(NULL, ' ')) } {null}
do_execsql_test 6.4.3 { SELECT typeof(unhex('1234', NULL)) } {null}
finish_test
|
