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
|
#!/usr/local/bin/perl
#
# Test the use of choices
#
use Convert::ASN1;
BEGIN { require './t/funcs.pl' }
print "1..10\n";
btest 1, $asn = Convert::ASN1->new;
btest 2, $asn->prepare( <<'[TheEnd]' ) or warn $asn->error;
Natural ::= CHOICE {
prime Prime,
product Product
}
Prime ::= [1] INTEGER
Product ::= CHOICE {
perfect Perfect,
plain Plain
}
Perfect ::= [2] INTEGER
Plain ::= [3] INTEGER
Naturals ::= [4] SEQUENCE OF Natural
List ::= [5] SEQUENCE { list Naturals }
[TheEnd]
my $nl = $asn->find( 'List' );
my $buf = $nl->encode( list => [
{ prime => 13 },
{ product => { perfect => 28 } },
{ product => { plain => 42 } }, ] );
$result = pack( 'C*', 0xa5, 0x0b, 0xa4, 0x09,
0x81, 0x01, 0x0d,
0x82, 0x01, 0x1c,
0x83, 0x01, 0x2a, );
stest 3, $result, $buf;
my $seq = $nl->decode( $buf ) or warn $asn->error;
btest 4, defined( $seq ) && exists( $seq->{list} );
ntest 5, 13, $seq->{list}->[0]->{prime};
ntest 6, 28, $seq->{list}->[1]->{product}->{perfect};
ntest 7, 42, $seq->{list}->[2]->{product}->{plain};
btest 8, $asn->prepare( 'Foo ::= [1] EXPLICIT CHOICE { a NULL }' ) or warn $asn->error;
$nl = $asn->find('Foo');
$buf = $nl->encode( a => 1 );
$result = pack 'C*', map hex, qw(A1 02 05 00);
stest 9, $result, $buf;
$seq = $nl->decode( $result ) or warn $asn->error;
btest 10, $seq->{a};
|
