1#!/usr/local/bin/perl
2
3#
4# Test the use of choices
5#
6
7use Convert::ASN1;
8BEGIN { require './t/funcs.pl' }
9
10print "1..10\n";
11
12btest 1, $asn  = Convert::ASN1->new;
13btest 2, $asn->prepare( <<'[TheEnd]' ) or warn $asn->error;
14  Natural  ::= CHOICE {
15    prime   Prime,
16    product Product
17  }
18  Prime    ::= [1] INTEGER
19  Product  ::= CHOICE {
20    perfect Perfect,
21    plain   Plain
22  }
23  Perfect  ::= [2] INTEGER
24  Plain    ::= [3] INTEGER
25  Naturals ::= [4] SEQUENCE OF Natural
26  List     ::= [5] SEQUENCE { list Naturals }
27[TheEnd]
28
29my $nl = $asn->find( 'List' );
30my $buf = $nl->encode( list => [
31                        { prime => 13 },
32                        { product => { perfect => 28 } },
33                        { product => { plain   => 42 } }, ] );
34$result = pack( 'C*', 0xa5, 0x0b,  0xa4, 0x09,
35                      0x81, 0x01, 0x0d,
36                      0x82, 0x01, 0x1c,
37                      0x83, 0x01, 0x2a, );
38stest 3, $result, $buf;
39
40my $seq = $nl->decode( $buf ) or warn $asn->error;
41btest 4, defined( $seq ) && exists( $seq->{list} );
42ntest 5, 13, $seq->{list}->[0]->{prime};
43ntest 6, 28, $seq->{list}->[1]->{product}->{perfect};
44ntest 7, 42, $seq->{list}->[2]->{product}->{plain};
45
46
47btest 8, $asn->prepare( 'Foo ::= [1] EXPLICIT CHOICE { a  NULL }' ) or warn $asn->error;
48$nl = $asn->find('Foo');
49$buf = $nl->encode( a => 1 );
50$result = pack 'C*', map hex, qw(A1 02 05 00);
51stest 9, $result, $buf;
52$seq = $nl->decode( $result )  or warn $asn->error;
53btest 10, $seq->{a};
54