BEGIN {

    if ($ENV{'PERL_CORE'}){

        chdir 't';

        unshift @INC, '../lib';

    }

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

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

        exit 0;

    }

    require Config; import Config;

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

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

      exit 0;

    }

}

use strict;

use Test::More;

use Encode qw(from_to encode decode

          encode_utf8 decode_utf8

          find_encoding is_utf8);

use charnames qw(greek);

my @encodings = grep(/iso-?8859/,Encode::encodings());

my $n = 2;

my @character_set = ('0'..'9', 'A'..'Z', 'a'..'z');

my @source = qw(ascii iso8859-1 cp1250);

my @destiny = qw(cp1047 cp37 posix-bc);

my @ebcdic_sets = qw(cp1047 cp37 posix-bc);

plan tests => 38+$n*@encodings + 2*@source*@destiny*@character_set + 2*@ebcdic_sets*256 + 6 + 3 + 3*8 + 2;

my $str = join('',map(chr($_),0x20..0x7E));

my $cpy = $str;

is length($str),from_to($cpy,'iso8859-1','Unicode'),"Length Wrong";

is $cpy,$str,"ASCII mangled by translating from iso8859-1 to Unicode";

$cpy = $str;

is from_to($cpy,'Unicode','iso8859-1'),length($str),"Length wrong";

is $cpy,$str,"ASCII mangled by translating from Unicode to iso8859-1";

$str = join('',map(chr($_),0xa0..0xff));

$cpy = $str;

is length($str),from_to($cpy,'iso8859-1','Unicode'),"Length Wrong";

my $sym = Encode->getEncoding('symbol');

my $uni = $sym->decode(encode(ascii => 'a'));

is "\N{alpha}",substr($uni,0,1),"alpha does not map to symbol 'a'";

$str = $sym->encode("\N{Beta}");

is "B",decode(ascii => substr($str,0,1)),"Symbol 'B' does not map to Beta";

foreach my $enc (qw(symbol dingbats ascii),@encodings)

 {

  my $tab = Encode->getEncoding($enc);

  is 1,defined($tab),"Could not load $enc";

  $str = join('',map(chr($_),0x20..0x7E));

  $uni = $tab->decode($str);

  $cpy = $tab->encode($uni);

  is $cpy,$str,"$enc mangled translating to Unicode and back";

 }

# On ASCII based machines see if we can map several codepoints from

# three distinct ASCII sets to three distinct EBCDIC coded character sets.

# On EBCDIC machines see if we can map from three EBCDIC sets to three

# distinct ASCII sets.

my @expectation = (240..249, 193..201,209..217,226..233, 129..137,145..153,162..169);

if (ord('A') != 65) {

    my @temp = @destiny;

    @destiny = @source;

    @source = @temp;

    undef(@temp);

    @expectation = (48..57, 65..90, 97..122);

}

foreach my $to (@destiny)

 {

  foreach my $from (@source)

   {

    my @expected = @expectation;

    foreach my $chr (@character_set)

     {

      my $native_chr = $chr;

      my $cpy = $chr;

      my $rc = from_to($cpy,$from,$to);

      is 1,$rc,"Could not translate from $from to $to";

      is ord($cpy),shift(@expected),"mangled translating $native_chr from $from to $to";

     }

   }

 }

# On either ASCII or EBCDIC machines ensure we can take the full one

# byte repetoire to EBCDIC sets and back.

my $enc_as = 'iso8859-1';

foreach my $enc_eb (@ebcdic_sets)

 {

  foreach my $ord (0..255)

   {

    $str = chr($ord);

    my $rc = from_to($str,$enc_as,$enc_eb);

    $rc += from_to($str,$enc_eb,$enc_as);

    is $rc,2,"return code for $ord $enc_eb -> $enc_as -> $enc_eb was not obtained";

    is $ord,ord($str),"$enc_as mangled translating $ord to $enc_eb and back";

   }

 }

my $mime = find_encoding('iso-8859-2');

is defined($mime),1,"Cannot find MIME-ish'iso-8859-2'";

my $x11 = find_encoding('iso8859-2');

is defined($x11),1,"Cannot find X11-ish 'iso8859-2'";

is $mime,$x11,"iso8598-2 and iso-8859-2 not same";

my $spc = find_encoding('iso 8859-2');

is defined($spc),1,"Cannot find 'iso 8859-2'";

is $spc,$mime,"iso 8859-2 and iso-8859-2 not same";

for my $i (256,128,129,256)

 {

  my $c = chr($i);

  my $s = "$c\n".sprintf("%02X",$i);

  is utf8::valid($s),1,"concat of $i botched";

  utf8::upgrade($s);

  is utf8::valid($s),1,"concat of $i botched";

 }

# Spot check a few points in/out of utf8

for my $i (ord('A'),128,256,0x20AC)

 {

  my $c = chr($i);

  my $o = encode_utf8($c);

  is decode_utf8($o),$c,"decode_utf8 not inverse of encode_utf8 for $i";

  is encode('utf8',$c),$o,"utf8 encode by name broken for $i";

  is decode('utf8',$o),$c,"utf8 decode by name broken for $i";

 }

# is_utf8

ok(  is_utf8("\x{100}"));

ok(! is_utf8("a"));

ok(! is_utf8(""));

"\x{100}" =~ /(.)/;

ok(  is_utf8($1)); # ID 20011127.151

$a = $1;

ok(  is_utf8($a));

$a = "\x{100}";

chop $a;

ok(  is_utf8($a)); # weird but true: an empty UTF-8 string

# non-string arguments

package Encode::Dummy;

use overload q("") => sub { $_[0]->[0] };

sub new { my $class = shift; bless [ @_  ] => $class }

package main;

ok(decode(latin1 => Encode::Dummy->new("foobar")), "foobar");

ok(encode(utf8   => Encode::Dummy->new("foobar")), "foobar");

# RT#91569

# decode_utf8 with non-string arguments

ok(decode_utf8(*1), "*main::1");

# hash keys

foreach my $name ("UTF-16LE", "UTF-8", "Latin1") {

  my $key = (keys %{{ "whatever\x{CA}" => '' }})[0];

  my $kopy = $key;

  encode($name, $kopy, Encode::FB_CROAK);

  is $key, "whatever\x{CA}", "encode $name with shared hash key scalars";

  undef $key;

  $key = (keys %{{ "whatever\x{CA}" => '' }})[0];

  $kopy = $key;

  encode($name, $kopy, Encode::FB_CROAK | Encode::LEAVE_SRC);

  is $key, "whatever\x{CA}", "encode $name with LEAVE_SRC and shared hash key scalars";

  undef $key;

  $key = (keys %{{ "whatever" => '' }})[0];

  $kopy = $key;

  decode($name, $kopy, Encode::FB_CROAK);

  is $key, "whatever", "decode $name with shared hash key scalars";

  undef $key;

  $key = (keys %{{ "whatever" => '' }})[0];

  $kopy = $key;

  decode($name, $kopy, Encode::FB_CROAK | Encode::LEAVE_SRC);

  is $key, "whatever", "decode $name with LEAVE_SRC and shared hash key scalars";

  my $enc = find_encoding($name);

  undef $key;

  $key = (keys %{{ "whatever\x{CA}" => '' }})[0];

  $kopy = $key;

  $enc->encode($kopy, Encode::FB_CROAK);

  is $key, "whatever\x{CA}", "encode obj $name with shared hash key scalars";

  undef $key;

  $key = (keys %{{ "whatever\x{CA}" => '' }})[0];

  $kopy = $key;

  $enc->encode($kopy, Encode::FB_CROAK | Encode::LEAVE_SRC);

  is $key, "whatever\x{CA}", "encode obj $name with LEAVE_SRC and shared hash key scalars";

  undef $key;

  $key = (keys %{{ "whatever" => '' }})[0];

  $kopy = $key;

  $enc->decode($kopy, Encode::FB_CROAK);

  is $key, "whatever", "decode obj $name with shared hash key scalars";

  undef $key;

  $key = (keys %{{ "whatever" => '' }})[0];

  $kopy = $key;

  $enc->decode($kopy, Encode::FB_CROAK | Encode::LEAVE_SRC);

  is $key, "whatever", "decode obj $name with LEAVE_SRC and shared hash key scalars";

}

my $latin1 = find_encoding('latin1');

my $orig = "\316";

$orig =~ /(.)/;

is $latin1->encode($1), $orig, '[cpan #115168] passing magic regex globals to encode';

SKIP: {

    skip "Perl Version ($]) is older than v5.16", 1 if $] < 5.016;

    *a = $orig;

    is $latin1->encode(*a), '*main::'.$orig, '[cpan #115168] passing typeglobs to encode';

}