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#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
use ok 'IO::Handle::Prototype';
my $buf = '';
my $fh = IO::Handle::Prototype->new(
print => sub {
$buf .= $_[1];
},
);
isa_ok( $fh, "IO::Handle::Prototype" );
isa_ok( $fh, "IO::Handle" );
can_ok( $fh, qw(getline read print write) );
eval { $fh->print("foo") };
is( $@, '', "no error" );
is( $buf, "foo", "callback worked" );
eval { $fh->getline };
like( $@, qr/getline/, "dies on missing callback" );
eval { $fh->write("foo") };
like( $@, qr/write/, "dies on missing callback" );
done_testing;
# ex: set sw=4 et:
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