晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //usr/share/doc/perl-Test-Simple/t/Legacy/utf8.t
#!/usr/bin/perl -w
# HARNESS-NO-STREAM
# HARNESS-NO-PRELOAD

BEGIN {
    if( $ENV{PERL_CORE} ) {
        chdir 't';
        @INC = '../lib';
    }
}

use strict;
use warnings;

my $have_perlio;
BEGIN {
    # All together so Test::More sees the open discipline
    $have_perlio = eval q[
        require PerlIO;
        PerlIO->VERSION(1.02); # required for PerlIO::get_layers
        binmode *STDOUT, ":encoding(utf8)";
        binmode *STDERR, ":encoding(utf8)";
        require Test::More;
        1;
    ];
}

use Test::More;
unless (Test::Builder->new->{Stack}->top->format->isa('Test::Builder::Formatter')) {
    plan skip_all => 'Test cannot be run using this formatter';
}

if( !$have_perlio ) {
    plan skip_all => "Don't have PerlIO 1.02";
}
else {
    plan tests => 5;
}

SKIP: {
    skip( "Need PerlIO for this feature", 3 )
        unless $have_perlio;

    my %handles = (
        output          => \*STDOUT,
        failure_output  => \*STDERR,
        todo_output     => \*STDOUT
    );

    for my $method (keys %handles) {
        my $src = $handles{$method};

        my $dest = Test::More->builder->$method;

        is_deeply { map { $_ => 1 } PerlIO::get_layers($dest) },
                  { map { $_ => 1 } PerlIO::get_layers($src)  },
                  "layers copied to $method";
    }
}


# Test utf8 is ok.
{
    my $uni = "\x{11e}";

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

    is( $uni, $uni, "Testing $uni" );
    is_deeply( \@warnings, [] );
}

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