ext/Encode/t/guess.t

   1 BEGIN {
   2     if ($ENV{'PERL_CORE'}){
   3         chdir 't';
   4         unshift @INC, '../lib';
   5     }
   6     require Config; import Config;
   7     if ($Config{'extensions'} !~ /\bEncode\b/) {
   8       print "1..0 # Skip: Encode was not built\n";
   9       exit 0;
  10     }
  11     $| = 1;
  12 }
  13
  14 use strict;
  15 use File::Basename;
  16 use File::Spec;
  17 use Encode qw(decode encode find_encoding _utf8_off);
  18
  19 #use Test::More qw(no_plan);
  20 use Test::More tests => 17;
  21 use_ok("Encode::Guess");
  22 {
  23     no warnings;
  24     $Encode::Guess::DEBUG = shift || 0;
  25 }
  26
  27 my $ascii  = join('' => map {chr($_)}(0x21..0x7e));
  28 my $latin1 = join('' => map {chr($_)}(0xa1..0xfe));
  29 my $utf8on  = join('' => map {chr($_)}(0x3000..0x30fe));
  30 my $utf8off = $utf8on; _utf8_off($utf8off);
  31 my $utf16 = encode('UTF-16', $utf8on);
  32 my $utf32 = encode('UTF-32', $utf8on);
  33
  34 is(guess_encoding($ascii)->name, 'ascii', 'ascii');
  35 like(guess_encoding($latin1), qr/No appropriate encoding/io, 'no ascii');
  36 is(guess_encoding($latin1, 'latin1')->name, 'iso-8859-1', 'iso-8859-1');
  37 is(guess_encoding($utf8on)->name, 'utf8', 'utf8 w/ flag');
  38 is(guess_encoding($utf8off)->name, 'utf8', 'utf8 w/o flag');
  39 is(guess_encoding($utf16)->name, 'UTF-16', 'UTF-16');
  40 is(guess_encoding($utf32)->name, 'UTF-32', 'UTF-32');
  41
  42 my $jisx0201 = File::Spec->catfile(dirname(__FILE__), 'jisx0201.utf');
  43 my $jisx0208 = File::Spec->catfile(dirname(__FILE__), 'jisx0208.utf');
  44 my $jisx0212 = File::Spec->catfile(dirname(__FILE__), 'jisx0212.utf');
  45
  46 open my $fh, $jisx0208 or die "$jisx0208: $!";
  47 $utf8off = join('' => <$fh>);
  48 close $fh;
  49 $utf8on = decode('utf8', $utf8off);
  50
  51 my @jp = qw(7bit-jis shiftjis euc-jp);
  52
  53 Encode::Guess->set_suspects(@jp);
  54
  55 for my $jp (@jp){
  56     my $test = encode($jp, $utf8on);
  57     is(guess_encoding($test)->name, $jp, "JP:$jp");
  58 }
  59
  60 is (decode('Guess', encode('euc-jp', $utf8on)), $utf8on, "decode('Guess')");
  61 eval{ encode('Guess', $utf8on) };
  62 like($@, qr/not defined/io, "no encode()");
  63
  64 my %CJKT =
  65     (
  66      'euc-cn'    => File::Spec->catfile(dirname(__FILE__), 'gb2312.utf'),
  67      'euc-jp'    => File::Spec->catfile(dirname(__FILE__), 'jisx0208.utf'),
  68      'euc-kr'    => File::Spec->catfile(dirname(__FILE__), 'ksc5601.utf'),
  69      'big5-eten' => File::Spec->catfile(dirname(__FILE__), 'big5-eten.utf'),
  70 );
  71
  72 Encode::Guess->set_suspects(keys %CJKT);
  73
  74 for my $name (keys %CJKT){
  75     open my $fh, $CJKT{$name} or die "$CJKT{$name}: $!";
  76     $utf8off = join('' => <$fh>);
  77     close $fh;
  78
  79     my $test = encode($name, decode('utf8', $utf8off));
  80     is(guess_encoding($test)->name, $name, "CJKT:$name");
  81 }
  82
  83 __END__;