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#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
use Test::Exception;
use Digest::MultiHash;
BEGIN {
plan skip_all => "No hash modules found"
unless eval { Digest::MultiHash->new }
and $@ !~ /^Can't find any digest module/;
plan tests => 5;
}
my $d = Digest::MultiHash->new;
isa_ok( $d , "Digest::base" );
$d->width( 8 );
$d->add("foo bar gorch");
my $d2 = Digest::MultiHash->new( width => 8 );
$d2->add("foo bar moose");
my $hash2 = $d2->digest;
cmp_ok( $d->digest, "ne", $hash2, "digests differ" );
is( length($hash2), 8, "the hash width is 8" );
throws_ok {
my $d = Digest::MultiHash->new(
width => 1024, # only 20 bytes in sha1
);
$d->add("foo");
$d->digest;
} qr/insufficient.*width/, "Insufficient width causes error";
throws_ok {
Digest::MultiHash->new( hashes => [] );
} qr/No digest module specified/, "Can't construct without hashes";
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