BEGIN {

    require Config; import Config;

    if ($Config{'extensions'} !~ /\bEncode\b/) {

      print "1..0 # Skip: Encode was not built\n";

      exit 0;

    }

    if (ord("A") == 193) {

    print "1..0 # Skip: EBCDIC\n";

    exit 0;

    }

    $| = 1;

}

use strict;

use File::Basename;

use File::Spec;

use Encode qw(decode encode find_encoding _utf8_off);

#use Test::More qw(no_plan);

use Test::More tests => 32;

BEGIN { use_ok("Encode::Guess") }

my $ascii  = join('' => map {chr($_)}(0x21..0x7e));

my $latin1 = join('' => map {chr($_)}(0xa1..0xfe));

my $utf8on  = join('' => map {chr($_)}(0x3000..0x30fe));

my $utf8off = $utf8on; _utf8_off($utf8off);

my $utf16 = encode('UTF-16', $utf8on);

my $utf32 = encode('UTF-32', $utf8on);

like(guess_encoding(''), qr/empty string/io, 'empty string');

is(guess_encoding($ascii)->name, 'ascii', 'ascii');

like(guess_encoding($latin1), qr/No appropriate encoding/io, 'no ascii');

is(guess_encoding($latin1, 'latin1')->name, 'iso-8859-1', 'iso-8859-1');

is(guess_encoding($utf8on)->name, 'utf8', 'utf8 w/ flag');

is(guess_encoding($utf8off)->name, 'utf8', 'utf8 w/o flag');

is(guess_encoding($utf16)->name, 'UTF-16', 'UTF-16');

is(guess_encoding($utf32)->name, 'UTF-32', 'UTF-32');

my $jisx0201 = File::Spec->catfile(dirname(__FILE__), 'jisx0201.utf');

my $jisx0208 = File::Spec->catfile(dirname(__FILE__), 'jisx0208.utf');

my $jisx0212 = File::Spec->catfile(dirname(__FILE__), 'jisx0212.utf');

open my $fh, $jisx0208 or die "$jisx0208: $!";

binmode($fh);

$utf8off = join('' => <$fh>);

close $fh;

$utf8on = decode('utf8', $utf8off);

my @jp = qw(7bit-jis shiftjis euc-jp);

Encode::Guess->set_suspects(@jp);

for my $jp (@jp){

    my $test = encode($jp, $utf8on);

    is(guess_encoding($test)->name, $jp, "JP:$jp");

}

is (decode('Guess', encode('euc-jp', $utf8on)), $utf8on, "decode('Guess')");

eval{ encode('Guess', $utf8on) };

like($@, qr/not defined/io, "no encode()");

{

    my $warning;

    local $SIG{__WARN__} = sub { $warning = shift };

    my $euc_jp = my $euc_jp_clone = encode('euc-jp', $utf8on);

    Encode::from_to($euc_jp, 'Guess', 'euc-jp');

    is $euc_jp_clone, $euc_jp, "from_to(..., 'Guess')";

    ok !$warning, "no warning";

    diag $warning if $warning;

}

my %CJKT = 

    (

     'euc-cn'    => File::Spec->catfile(dirname(__FILE__), 'gb2312.utf'),

     'euc-jp'    => File::Spec->catfile(dirname(__FILE__), 'jisx0208.utf'),

     'euc-kr'    => File::Spec->catfile(dirname(__FILE__), 'ksc5601.utf'),

     'big5-eten' => File::Spec->catfile(dirname(__FILE__), 'big5-eten.utf'),

);

Encode::Guess->set_suspects(keys %CJKT);

for my $name (keys %CJKT){

    open my $fh, $CJKT{$name} or die "$CJKT{$name}: $!";

    binmode($fh);

    $utf8off = join('' => <$fh>);

    close $fh;

    my $test = encode($name, decode('utf8', $utf8off));

    is(guess_encoding($test)->name, $name, "CJKT:$name");

}

my $ambiguous =  "\x{5c0f}\x{98fc}\x{5f3e}";

my $english   = "The quick brown fox jumps over the black lazy dog.";

for my $utf (qw/UTF-16 UTF-32/){

    for my $bl (qw/BE LE/){

    my $test = encode("$utf$bl" => $english);

    is(guess_encoding($test)->name, "$utf$bl", "$utf$bl");

    }

}

for my $bl (qw/BE LE/){

    my $test = encode("UTF-16$bl" => $ambiguous);

    my $result = guess_encoding($test);

    ok(! ref($result), "UTF-16$bl:$result");

}

Encode::Guess->set_suspects();

for my $jp (@jp){

    # intentionally set $1 a priori -- see Changes

    my $test = "English";

    '$1' =~ m/^(.*)/o;

    is(guess_encoding($test, ($jp))->name, 'ascii', 

       "ascii vs $jp (\$1 messed)");

    $test = encode($jp, $test . "\n\x{65e5}\x{672c}\x{8a9e}");

    is(guess_encoding($test, ($jp))->name, 

       $jp, "$jp vs ascii (\$1 messed)");

}

__END__;