use strict;
use warnings;
use CGI::Header;
use Test::More tests => 4;

subtest 'default' => sub {
    my $header = tie my %header, 'CGI::Header';
    is $header{Content_Disposition}, undef;
    ok !exists $header{Content_Disposition};
    is $header->attachment, undef;
    is delete $header{Content_Disposition}, undef;
    is_deeply $header->header, {};
};

subtest '-attachment' => sub {
    my $header = tie my %header, 'CGI::Header';

    %{ $header->header } = ( -attachment => undef );
    is $header{Content_Disposition}, undef;
    ok !exists $header{Content_Disposition};
    is $header->attachment, undef;
    is delete $header{Content_Disposition}, undef;
    is_deeply $header->header, {};

    %{ $header->header } = ( -attachment => q{} );
    is $header{Content_Disposition}, undef;
    ok !exists $header{Content_Disposition};
    is $header->attachment, q{};
    is delete $header{Content_Disposition}, undef;
    is_deeply $header->header, {};

    %{ $header->header } = ( -attachment => 'genome.jpg' );
    is $header{Content_Disposition}, 'attachment; filename="genome.jpg"';
    ok exists $header{Content_Disposition};
    is $header->attachment, 'genome.jpg';
    is delete $header{Content_Disposition}, 'attachment; filename="genome.jpg"';
    is_deeply $header->header, {};

    %{ $header->header } = ();
    $header->attachment( 'genome.jpg' );
    is_deeply $header->header, { -attachment => 'genome.jpg' };
};

subtest '-content_disposition' => sub {
    my $header = tie my %header, 'CGI::Header';

    %{ $header->header } = ( -content_disposition => q{} );
    is $header{Content_Disposition}, q{};
    ok exists $header{Content_Disposition};
    is delete $header{Content_Disposition}, q{};
    is_deeply $header->header, {};

    %{ $header->header } = ( -content_disposition => 'inline' );
    is $header{Content_Disposition}, 'inline';
    ok exists $header{Content_Disposition};
    is delete $header{Content_Disposition}, 'inline';
    is_deeply $header->header, {};
};

subtest '-attachment and -content_disposition' => sub {
    my $header = tie my %header, 'CGI::Header';

    %{ $header->header } = ( -attachment => 'genome.jpg' );
    $header{Content_Disposition} = 'inline';
    is_deeply $header->header, { -content_disposition => 'inline' };

    %{ $header->header } = ( -attachment => 'genome.jpg' );
    $header{Content_Disposition} = q{};
    is_deeply $header->header, { -content_disposition => q{} };
};