1BEGIN {
2    require Config; import Config;
3    if ($Config{'extensions'} !~ /\bEncode\b/) {
4      print "1..0 # Skip: Encode was not built\n";
5      exit 0;
6    }
7    if (ord("A") == 193) {
8    print "1..0 # Skip: EBCDIC\n";
9    exit 0;
10    }
11    $| = 1;
12}
13
14use strict;
15use File::Basename;
16use File::Spec;
17use Encode qw(decode encode find_encoding _utf8_off);
18
19#use Test::More qw(no_plan);
20use Test::More tests => 32;
21BEGIN { use_ok("Encode::Guess") }
22
23my $ascii  = join('' => map {chr($_)}(0x21..0x7e));
24my $latin1 = join('' => map {chr($_)}(0xa1..0xfe));
25my $utf8on  = join('' => map {chr($_)}(0x3000..0x30fe));
26my $utf8off = $utf8on; _utf8_off($utf8off);
27my $utf16 = encode('UTF-16', $utf8on);
28my $utf32 = encode('UTF-32', $utf8on);
29
30like(guess_encoding(''), qr/empty string/io, 'empty string');
31is(guess_encoding($ascii)->name, 'ascii', 'ascii');
32like(guess_encoding($latin1), qr/No appropriate encoding/io, 'no ascii');
33is(guess_encoding($latin1, 'latin1')->name, 'iso-8859-1', 'iso-8859-1');
34is(guess_encoding($utf8on)->name, 'utf8', 'utf8 w/ flag');
35is(guess_encoding($utf8off)->name, 'utf8', 'utf8 w/o flag');
36is(guess_encoding($utf16)->name, 'UTF-16', 'UTF-16');
37is(guess_encoding($utf32)->name, 'UTF-32', 'UTF-32');
38
39my $jisx0201 = File::Spec->catfile(dirname(__FILE__), 'jisx0201.utf');
40my $jisx0208 = File::Spec->catfile(dirname(__FILE__), 'jisx0208.utf');
41my $jisx0212 = File::Spec->catfile(dirname(__FILE__), 'jisx0212.utf');
42
43open my $fh, $jisx0208 or die "$jisx0208: $!";
44binmode($fh);
45$utf8off = join('' => <$fh>);
46close $fh;
47$utf8on = decode('utf8', $utf8off);
48
49my @jp = qw(7bit-jis shiftjis euc-jp);
50
51Encode::Guess->set_suspects(@jp);
52
53for my $jp (@jp){
54    my $test = encode($jp, $utf8on);
55    is(guess_encoding($test)->name, $jp, "JP:$jp");
56}
57
58is (decode('Guess', encode('euc-jp', $utf8on)), $utf8on, "decode('Guess')");
59eval{ encode('Guess', $utf8on) };
60like($@, qr/not defined/io, "no encode()");
61
62{
63    my $warning;
64    local $SIG{__WARN__} = sub { $warning = shift };
65    my $euc_jp = my $euc_jp_clone = encode('euc-jp', $utf8on);
66    Encode::from_to($euc_jp, 'Guess', 'euc-jp');
67    is $euc_jp_clone, $euc_jp, "from_to(..., 'Guess')";
68    ok !$warning, "no warning";
69    diag $warning if $warning;
70}
71
72my %CJKT =
73    (
74     'euc-cn'    => File::Spec->catfile(dirname(__FILE__), 'gb2312.utf'),
75     'euc-jp'    => File::Spec->catfile(dirname(__FILE__), 'jisx0208.utf'),
76     'euc-kr'    => File::Spec->catfile(dirname(__FILE__), 'ksc5601.utf'),
77     'big5-eten' => File::Spec->catfile(dirname(__FILE__), 'big5-eten.utf'),
78);
79
80Encode::Guess->set_suspects(keys %CJKT);
81
82for my $name (keys %CJKT){
83    open my $fh, $CJKT{$name} or die "$CJKT{$name}: $!";
84    binmode($fh);
85    $utf8off = join('' => <$fh>);
86    close $fh;
87
88    my $test = encode($name, decode('utf8', $utf8off));
89    is(guess_encoding($test)->name, $name, "CJKT:$name");
90}
91
92my $ambiguous =  "\x{5c0f}\x{98fc}\x{5f3e}";
93my $english   = "The quick brown fox jumps over the black lazy dog.";
94for my $utf (qw/UTF-16 UTF-32/){
95    for my $bl (qw/BE LE/){
96    my $test = encode("$utf$bl" => $english);
97    is(guess_encoding($test)->name, "$utf$bl", "$utf$bl");
98    }
99}
100for my $bl (qw/BE LE/){
101    my $test = encode("UTF-16$bl" => $ambiguous);
102    my $result = guess_encoding($test);
103    ok(! ref($result), "UTF-16$bl:$result");
104}
105
106
107
108Encode::Guess->set_suspects();
109for my $jp (@jp){
110    # intentionally set $1 a priori -- see Changes
111    my $test = "English";
112    '$1' =~ m/^(.*)/o;
113    is(guess_encoding($test, ($jp))->name, 'ascii',
114       "ascii vs $jp (\$1 messed)");
115    $test = encode($jp, $test . "\n\x{65e5}\x{672c}\x{8a9e}");
116    is(guess_encoding($test, ($jp))->name,
117       $jp, "$jp vs ascii (\$1 messed)");
118}
119
120__END__;
121