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|
use strict;
use warnings;
use Test::More 0.88;
BEGIN {
plan skip_all => "no /dev/random and /dev/urandom" unless -e "/dev/random" and -e "/dev/urandom";
}
use Errno;
use ok 'Crypt::Random::Source::Strong::devrandom';
use ok 'Crypt::Random::Source::Weak::devurandom';
{
ok( Crypt::Random::Source::Strong::devrandom->available, "/dev/random is available" );
my $p = Crypt::Random::Source::Strong::devrandom->new;
isa_ok( $p, "Crypt::Random::Source::Strong" );
isa_ok( $p, "Crypt::Random::Source::Base::RandomDevice" );
isa_ok( $p, "Crypt::Random::Source::Base::Handle" );
isa_ok( $p, "Crypt::Random::Source::Strong::devrandom" );
$p->blocking(0);
ok( $p->is_strong, "it's a strong source" );
can_ok( $p, "get" );
if ( length( my $buf = $p->get(100) ) ) { # blocking
cmp_ok( length($buf), '<=', 100, "got up to 100 bytes" );
# this test should fail around every few universes or so ;-)
cmp_ok( $buf, 'ne', $p->get(length($buf)), "random data differs" );
} else {
ok( $!{EWOULDBLOCK} || $!{EAGAIN}, "would have blocked" )
or diag "errno is $! (" . ($! + 0) . ')';
}
can_ok($p, "seed");
}
{
ok( Crypt::Random::Source::Weak::devurandom->available, "/dev/random is available" );
my $p = Crypt::Random::Source::Weak::devurandom->new;
isa_ok( $p, "Crypt::Random::Source::Weak" );
isa_ok( $p, "Crypt::Random::Source::Base::RandomDevice" );
isa_ok( $p, "Crypt::Random::Source::Base::Handle" );
isa_ok( $p, "Crypt::Random::Source::Weak::devurandom" );
ok( !$p->is_strong, "it's a weak source" );
can_ok( $p, "get" );
my $buf = $p->get(100);
is( length($buf), 100, "got 100 bytes" );
# this test should fail around every few universes or so ;-)
cmp_ok( $buf, 'ne', $p->get(length($buf)), "random data differs" );
can_ok($p, "seed");
}
done_testing;
# ex: set sw=4 et:
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