6 require Config; import Config;
9 use Test::More tests => 23;
11 # open::import expects 'open' as its first argument, but it clashes with open()
13 open::import( 'open', @_ );
16 # can't use require_ok() here, with a name like 'open'
17 ok( require 'open.pm', 'requiring open' );
21 like( $@, qr/needs explicit list of PerlIO layers/,
22 'import should fail without args' );
24 # prevent it from loading I18N::Langinfo, so we can test encoding failures
26 local $SIG{__WARN__} = sub {
30 # and it shouldn't be able to find this layer
32 eval q{ no warnings 'layer'; use open IN => ':macguffin' ; };
34 'should not warn about unknown layer with bad layer provided' );
37 eval q{ use warnings 'layer'; use open IN => ':macguffin' ; };
38 like( $warn, qr/Unknown PerlIO layer/,
39 'should warn about unknown layer with bad layer provided' );
41 # open :locale logic changed since open 1.04, new logic
42 # difficult to test portably.
44 # see if it sets the magic variables appropriately
45 import( 'IN', ':crlf' );
46 is( $^H{'open_IN'}, 'crlf', 'should have set crlf layer' );
48 # it should reset them appropriately, too
49 import( 'IN', ':raw' );
50 is( $^H{'open_IN'}, 'raw', 'should have reset to raw layer' );
52 # it dies if you don't set IN, OUT, or IO
53 eval { import( 'sideways', ':raw' ) };
54 like( $@, qr/Unknown PerlIO layer class/, 'should croak with unknown class' );
56 # but it handles them all so well together
57 import( 'IO', ':raw :crlf' );
58 is( ${^OPEN}, ":raw :crlf\0:raw :crlf",
59 'should set multi types, multi layer' );
60 is( $^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' );
63 skip("no perlio, no :utf8", 12) unless (find PerlIO::Layer 'perlio');
71 is(ord(<I>), 0x100, ":utf8 single wide character round-trip");
76 @a = map { chr(1 << ($_ << 2)) } 0..5; # 0x1, 0x10, .., 0x100000
77 unshift @a, chr(0); # ... and a null byte in front just for fun
83 sysseek($_[0], 0, SEEK_CUR);
86 require bytes; # not use
90 open F, "<:utf8", "a";
94 ($c = sysread(F, $b, 1)) == 1 &&
97 systell(F) == ($a += bytes::length($b))
99 print '# ord($_) == ', ord($_), "\n";
100 print '# ord($b) == ', ord($b), "\n";
101 print '# length($b) == ', length($b), "\n";
102 print '# bytes::length($b) == ', bytes::length($b), "\n";
103 print '# systell(F) == ', systell(F), "\n";
104 print '# $a == ', $a, "\n";
105 print '# $c == ', $c, "\n";
112 "on :utf8 streams sysread() should work on characters, not bytes");
115 print '# ord($_) == ', ord($_), "\n";
116 print '# bytes::length($_) == ', bytes::length($_), "\n";
117 print '# systell(G) == ', systell(G), "\n";
118 print '# $a == ', $a, "\n";
119 print '# $c == ', $c, "\n";
124 syswrite => sub { syswrite G, shift; },
125 'syswrite len' => sub { syswrite G, shift, 1; },
126 'syswrite len pad' => sub {
127 my $temp = shift() . "\243";
128 syswrite G, $temp, 1; },
129 'syswrite off' => sub {
130 my $temp = "\351" . shift();
131 syswrite G, $temp, 1, 1; },
132 'syswrite off pad' => sub {
133 my $temp = "\351" . shift() . "\243";
134 syswrite G, $temp, 1, 1; },
137 foreach my $key (sort keys %actions) {
138 # syswrite() on should work on characters, not bytes
139 open G, ">:utf8", "b";
145 ($c = $actions{$key}($_)) == 1 &&
146 systell(G) == ($a += bytes::length($_))
155 "on :utf8 streams syswrite() should work on characters, not bytes");
157 open G, "<:utf8", "b";
161 ($c = sysread(G, $b, 1)) == 1 &&
163 ord($b) == ord($_) &&
164 systell(G) == ($a += bytes::length($_))
166 print '# ord($_) == ', ord($_), "\n";
167 print '# ord($b) == ', ord($b), "\n";
168 print '# length($b) == ', length($b), "\n";
169 print '# bytes::length($b) == ', bytes::length($b), "\n";
170 print '# systell(G) == ', systell(G), "\n";
171 print '# $a == ', $a, "\n";
172 print '# $c == ', $c, "\n";
179 "checking syswrite() output on :utf8 streams by reading it back in");
183 skip("no perlio", 2) unless (find PerlIO::Layer 'perlio');
184 skip("no Encode", 2) unless $Config{extensions} =~ m{\bEncode\b};
186 eval q[use Encode::Alias;use open ":std", ":locale"];
187 is($@, '', 'can use :std and :locale');
189 use open IN => ':non-existent';
191 require Symbol; # Anything that exists but we havn't loaded
193 like($@, qr/Can't locate Symbol|Recursive call/i,
194 "test for an endless loop in PerlIO_find_layer");
198 1 while unlink "utf8";
203 # the test cases beyond __DATA__ need to be executed separately
206 $ENV{LC_ALL} = 'nonexistent.euc';
207 eval { open::_get_locale_encoding() };
208 like( $@, qr/too ambiguous/, 'should die with ambiguous locale encoding' );
210 # the special :locale layer
211 $ENV{LC_ALL} = $ENV{LANG} = 'ru_RU.KOI8-R';
212 # the :locale will probe the locale environment variables like LANG
213 use open OUT => ':locale';
215 print O chr(0x430); # Unicode CYRILLIC SMALL LETTER A = KOI8-R 0xc1
218 printf "%#x\n", ord(<I>), "\n"; # this should print 0xc1