use strict;

use warnings;

BEGIN {

    if ($] < 5.014){

        print "1..0 # Skip: Perl 5.14.0 or later required\n";

        exit 0;

    }

}

use Encode;

use Test::More tests => 10;

my $valid   = "\x61\x00\x00\x00";

my $invalid = "\x78\x56\x34\x12";

my @warnings;

$SIG{__WARN__} = sub {push @warnings, "@_"};

my $enc = find_encoding("UTF32-LE");

{

    @warnings = ();

    my $ret = Encode::Unicode::decode( $enc, $valid );

    is("@warnings", "", "Calling decode in Encode::Unicode on valid string produces no warnings");

}

{

    @warnings = ();

    my $ret = Encode::Unicode::decode( $enc, $invalid );

    like("@warnings", qr/is not Unicode/, "Calling decode in Encode::Unicode on invalid string warns");

}

{

    no warnings 'utf8';

    @warnings = ();

    my $ret = Encode::Unicode::decode( $enc, $invalid );

    is("@warnings", "", "Warning from decode in Encode::Unicode can be silenced via no warnings 'utf8'");

}

{

    no warnings;

    @warnings = ();

    my $ret = Encode::Unicode::decode( $enc, $invalid );

    is("@warnings", "", "Warning from decode in Encode::Unicode can be silenced via no warnings");

}

{

    @warnings = ();

    my $ret = Encode::decode( $enc, $invalid );

    like("@warnings", qr/is not Unicode/, "Calling decode in Encode on invalid string warns");

}

{

    no warnings 'utf8';

    @warnings = ();

    my $ret = Encode::decode( $enc, $invalid );

    is("@warnings", "", "Warning from decode in Encode can be silenced via no warnings 'utf8'");

};

{

    no warnings;

    @warnings = ();

    my $ret = Encode::decode( $enc, $invalid );

    is("@warnings", "", "Warning from decode in Encode can be silenced via no warnings");

};

{

    @warnings = ();

    my $inplace = $invalid;

    Encode::from_to( $inplace, "UTF32-LE", "UTF-8" );

    like("@warnings", qr/is not Unicode/, "Calling from_to in Encode on invalid string warns");

}

{

    no warnings 'utf8';

    @warnings = ();

    my $inplace = $invalid;

    Encode::from_to( $inplace, "UTF32-LE", "UTF-8" );

    is("@warnings", "", "Warning from from_to in Encode can be silenced via no warnings 'utf8'");

};

{

    no warnings;

    @warnings = ();

    my $inplace = $invalid;

    Encode::from_to( $inplace, "UTF32-LE", "UTF-8" );

    is("@warnings", "", "Warning from from_to in Encode can be silenced via no warnings");

};