| 1 |
BEGIN { $| = 1; print "1..30\n"; } |
| 2 |
END {print "not ok 1\n" unless $loaded;} |
| 3 |
use Algorithm::FEC; |
| 4 |
$loaded = 1; |
| 5 |
|
| 6 |
use File::Temp; |
| 7 |
|
| 8 |
my $fec = new Algorithm::FEC 3, 5, 70; |
| 9 |
|
| 10 |
my $test = 0; |
| 11 |
|
| 12 |
sub ok($) { |
| 13 |
$test++; |
| 14 |
print $_[0] ? "ok $test\n" : "not ok $test\n"; |
| 15 |
} |
| 16 |
|
| 17 |
my @files = map { |
| 18 |
$fd = tmpfile (); |
| 19 |
syswrite $fd, $_ x 70; |
| 20 |
$_ < 2 ? $fd : [$fd, 0]; |
| 21 |
} 1..3; |
| 22 |
|
| 23 |
ok 1; |
| 24 |
|
| 25 |
$fec->set_encode_blocks (\@files); |
| 26 |
|
| 27 |
ok 1; |
| 28 |
|
| 29 |
my @blk; |
| 30 |
|
| 31 |
for (0..4) { |
| 32 |
ok 1; |
| 33 |
|
| 34 |
$blk[$_] = $fec->encode ($_); |
| 35 |
} |
| 36 |
|
| 37 |
ok ($blk[0] eq "1" x 70); |
| 38 |
ok ($blk[1] eq "2" x 70); |
| 39 |
ok ($blk[2] eq "3" x 70); |
| 40 |
ok ($blk[3] eq "%" x 70); |
| 41 |
ok ($blk[4] eq "Y" x 70); |
| 42 |
|
| 43 |
for ([[0,1,2],[0,1,2]], |
| 44 |
[[0,2,1],[0,1,2]], |
| 45 |
[[0,2,3],[0,3,2]], |
| 46 |
[[4,3,1],[4,1,3]]) { |
| 47 |
my ($idx1, $idx2) = @$_; |
| 48 |
|
| 49 |
my @blks; |
| 50 |
|
| 51 |
ok 1; |
| 52 |
my $i; |
| 53 |
for (@$idx1) { |
| 54 |
$blks[$i++] = $_ < 3 ? $files[$_] : do { |
| 55 |
# Create a shared hash key scalar as an extra robustness test. |
| 56 |
$blk[$_] = (keys %{{$blk[$_]=>0}})[0]; |
| 57 |
$blk[$_]; |
| 58 |
}; |
| 59 |
} |
| 60 |
|
| 61 |
$fec->set_decode_blocks (\@blks, $idx1); |
| 62 |
$fec->decode; |
| 63 |
|
| 64 |
ok 1; |
| 65 |
|
| 66 |
ok ("@$idx1" eq "@$idx2"); |
| 67 |
|
| 68 |
for (0 .. $#$idx1) { |
| 69 |
next if ref $blks[$_]; |
| 70 |
ok (($_+1) x 70 eq $blks[$_]); |
| 71 |
} |
| 72 |
} |
| 73 |
|
| 74 |
ok 1; |
| 75 |
|
| 76 |
my $a = "a" x 70; |
| 77 |
my $b = "b" x 70; |
| 78 |
|
| 79 |
$fec->copy ($b, $a); |
| 80 |
|
| 81 |
ok ($a eq $b); |
| 82 |
ok ($a eq "b" x 70); |
| 83 |
|
