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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
#!./perl -w
BEGIN {
@INC = '../lib' if -d '../lib' ;
require Config; import Config;
if ($Config{'extensions'} !~ /\bDB_File\b/) {
print "1..0\n";
exit 0;
}
}
use DB_File;
use Fcntl;
use strict ;
use vars qw($dbh $Dfile) ;
sub ok
{
my $no = shift ;
my $result = shift ;
print "not " unless $result ;
print "ok $no\n" ;
}
print "1..47\n";
my $Dfile = "recno.tmp";
unlink $Dfile ;
umask(0);
# Check the interface to RECNOINFO
my $dbh = new DB_File::RECNOINFO ;
ok(1, $dbh->{bval} == 0 ) ;
ok(2, $dbh->{cachesize} == 0) ;
ok(3, $dbh->{psize} == 0) ;
ok(4, $dbh->{flags} == 0) ;
ok(5, $dbh->{lorder} == 0);
ok(6, $dbh->{reclen} == 0);
ok(7, $dbh->{bfname} eq "");
$dbh->{bval} = 3000 ;
ok(8, $dbh->{bval} == 3000 );
$dbh->{cachesize} = 9000 ;
ok(9, $dbh->{cachesize} == 9000 );
$dbh->{psize} = 400 ;
ok(10, $dbh->{psize} == 400 );
$dbh->{flags} = 65 ;
ok(11, $dbh->{flags} == 65 );
$dbh->{lorder} = 123 ;
ok(12, $dbh->{lorder} == 123 );
$dbh->{reclen} = 1234 ;
ok(13, $dbh->{reclen} == 1234 );
$dbh->{bfname} = 1234 ;
ok(14, $dbh->{bfname} == 1234 );
# Check that an invalid entry is caught both for store & fetch
eval '$dbh->{fred} = 1234' ;
ok(15, $@ =~ /^DB_File::RECNOINFO::STORE - Unknown element 'fred' at/ );
eval 'my $q = $dbh->{fred}' ;
ok(16, $@ =~ /^DB_File::RECNOINFO::FETCH - Unknown element 'fred' at/ );
# Now check the interface to RECNOINFO
my $X ;
my @h ;
ok(17, $X = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ;
ok(18, ( (stat($Dfile))[2] & 0777) == ($^O eq 'os2' ? 0666 : 0640)) ;
#my $l = @h ;
my $l = $X->length ;
ok(19, !$l );
my @data = qw( a b c d ever f g h i j k longername m n o p) ;
$h[0] = shift @data ;
ok(20, $h[0] eq 'a' );
my $ i;
foreach (@data)
{ $h[++$i] = $_ }
unshift (@data, 'a') ;
ok(21, defined $h[1] );
ok(22, ! defined $h[16] );
ok(23, $X->length == @data );
# Overwrite an entry & check fetch it
$h[3] = 'replaced' ;
$data[3] = 'replaced' ;
ok(24, $h[3] eq 'replaced' );
#PUSH
my @push_data = qw(added to the end) ;
#my push (@h, @push_data) ;
$X->push(@push_data) ;
push (@data, @push_data) ;
ok(25, $h[++$i] eq 'added' );
ok(26, $h[++$i] eq 'to' );
ok(27, $h[++$i] eq 'the' );
ok(28, $h[++$i] eq 'end' );
# POP
my $popped = pop (@data) ;
#my $value = pop(@h) ;
my $value = $X->pop ;
ok(29, $value eq $popped) ;
# SHIFT
#$value = shift @h
$value = $X->shift ;
my $shifted = shift @data ;
ok(30, $value eq $shifted );
# UNSHIFT
# empty list
$X->unshift ;
ok(31, $X->length == @data );
my @new_data = qw(add this to the start of the array) ;
#unshift @h, @new_data ;
$X->unshift (@new_data) ;
unshift (@data, @new_data) ;
ok(32, $X->length == @data );
ok(33, $h[0] eq "add") ;
ok(34, $h[1] eq "this") ;
ok(35, $h[2] eq "to") ;
ok(36, $h[3] eq "the") ;
ok(37, $h[4] eq "start") ;
ok(38, $h[5] eq "of") ;
ok(39, $h[6] eq "the") ;
ok(40, $h[7] eq "array") ;
ok(41, $h[8] eq $data[8]) ;
# SPLICE
# Now both arrays should be identical
my $ok = 1 ;
my $j = 0 ;
foreach (@data)
{
$ok = 0, last if $_ ne $h[$j ++] ;
}
ok(42, $ok );
# Neagtive subscripts
# get the last element of the array
ok(43, $h[-1] eq $data[-1] );
ok(44, $h[-1] eq $h[$X->length -1] );
# get the first element using a negative subscript
eval '$h[ - ( $X->length)] = "abcd"' ;
ok(45, $@ eq "" );
ok(46, $h[0] eq "abcd" );
# now try to read before the start of the array
eval '$h[ - (1 + $X->length)] = 1234' ;
ok(47, $@ =~ '^Modification of non-creatable array value attempted' );
# IMPORTANT - $X must be undefined before the untie otherwise the
# underlying DB close routine will not get called.
undef $X ;
untie(@h);
unlink $Dfile;
exit ;
|
