BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
+ require Config; import Config;
}
-use Test::More tests => 12;
+use Test::More tests => 16;
# open::import expects 'open' as its first argument, but it clashes with open()
sub import {
}
# can't use require_ok() here, with a name like 'open'
-ok( require 'open.pm', 'required okay!' );
+ok( require 'open.pm', 'requiring open' );
# this should fail
eval { import() };
-like( $@, qr/needs explicit list of disciplines/, 'import fails without args' );
+like( $@, qr/needs explicit list of disciplines/,
+ 'import should fail without args' );
# the hint bits shouldn't be set yet
-is( $^H & $open::hint_bits, 0, '$^H is okay before open import runs' );
+is( $^H & $open::hint_bits, 0,
+ 'hint bits should not be set in $^H before open import' );
# prevent it from loading I18N::Langinfo, so we can test encoding failures
-local @INC;
-$ENV{LC_ALL} = '';
-eval { import( 'IN', 'locale' ) };
-like( $@, qr/Cannot figure out an encoding/, 'no encoding found' );
+{
+ local @INC;
+ $ENV{LC_ALL} = $ENV{LANG} = '';
+ eval { import( 'IN', 'locale' ) };
+ like( $@, qr/Cannot figure out an encoding/,
+ 'no encoding should be found without $ENV{LANG} or $ENV{LC_ALL}' );
+}
my $warn;
local $SIG{__WARN__} = sub {
# and it shouldn't be able to find this discipline
eval{ import( 'IN', 'macguffin' ) };
-like( $warn, qr/Unknown discipline layer/, 'warned about unknown discipline' );
+like( $warn, qr/Unknown discipline layer/,
+ 'should warn about unknown discipline with bad discipline provided' );
# now load a real-looking locale
$ENV{LC_ALL} = ' .utf8';
import( 'IN', 'locale' );
-is( ${^OPEN}, ':utf8\0', 'set locale layer okay!' );
+is( ${^OPEN}, ":utf8\0",
+ 'should set a valid locale layer' );
# and see if it sets the magic variables appropriately
import( 'IN', ':crlf' );
-ok( $^H & $open::hint_bits, '$^H is set after open import runs' );
-is( $^H{'open_IN'}, 'crlf', 'set crlf layer okay!' );
+ok( $^H & $open::hint_bits,
+ 'hint bits should be set in $^H after open import' );
+is( $^H{'open_IN'}, 'crlf', 'should have set crlf layer' );
# it should reset them appropriately, too
import( 'IN', ':raw' );
-is( $^H{'open_IN'}, 'raw', 'set raw layer okay!' );
+is( $^H{'open_IN'}, 'raw', 'should have reset to raw layer' );
-# it dies if you don't set IN, OUT, or INOUT
+# it dies if you don't set IN, OUT, or IO
eval { import( 'sideways', ':raw' ) };
-like( $@, qr/Unknown discipline class/, 'croaked with unknown class' );
+like( $@, qr/Unknown discipline class/, 'should croak with unknown class' );
# but it handles them all so well together
-import( 'INOUT', ':raw :crlf' );
-is( ${^OPEN}, ':raw :crlf\0:raw :crlf', 'multi types, multi disciplines' );
-is( $^H{'open_INOUT'}, 'crlf', 'last layer set in %^H' );
+import( 'IO', ':raw :crlf' );
+is( ${^OPEN}, ":raw :crlf\0:raw :crlf",
+ 'should set multi types, multi disciplines' );
+is( $^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' );
+
+SKIP: {
+ skip("no perlio, no :utf8", 4) unless $Config{'useperlio'};
+
+ use open ':utf8';
+ open(O, ">utf8");
+ print O chr(0x100);
+ close O;
+ open(I, "<utf8");
+ is(ord(<I>), 0x100, ":utf8 single wide character round-trip");
+ close I;
+
+ open F, ">a";
+ @a = map { chr(1 << ($_ << 2)) } 0..5; # 0x1, 0x10, .., 0x100000
+ unshift @a, chr(0); # ... and a null byte in front just for fun
+ print F @a;
+ close F;
+
+ sub systell {
+ use Fcntl 'SEEK_CUR';
+ sysseek($_[0], 0, SEEK_CUR);
+ }
+
+ require bytes; # not use
+
+ my $ok;
+
+ open F, "<:utf8", "a";
+ $ok = $a = 0;
+ for (@a) {
+ unless (
+ ($c = sysread(F, $b, 1)) == 1 &&
+ length($b) == 1 &&
+ ord($b) == ord($_) &&
+ systell(F) == ($a += bytes::length($b))
+ ) {
+ print '# ord($_) == ', ord($_), "\n";
+ print '# ord($b) == ', ord($b), "\n";
+ print '# length($b) == ', length($b), "\n";
+ print '# bytes::length($b) == ', bytes::length($b), "\n";
+ print '# systell(F) == ', systell(F), "\n";
+ print '# $a == ', $a, "\n";
+ print '# $c == ', $c, "\n";
+ last;
+ }
+ $ok++;
+ }
+ close F;
+ ok($ok == @a,
+ "on :utf8 streams sysread() should work on characters, not bytes");
+
+ # syswrite() on should work on characters, not bytes
+ open G, ">:utf8", "b";
+ $ok = $a = 0;
+ for (@a) {
+ unless (
+ ($c = syswrite(G, $_, 1)) == 1 &&
+ systell(G) == ($a += bytes::length($_))
+ ) {
+ print '# ord($_) == ', ord($_), "\n";
+ print '# bytes::length($_) == ', bytes::length($_), "\n";
+ print '# systell(G) == ', systell(G), "\n";
+ print '# $a == ', $a, "\n";
+ print '# $c == ', $c, "\n";
+ print "not ";
+ last;
+ }
+ $ok++;
+ }
+ close G;
+ ok($ok == @a,
+ "on :utf8 streams syswrite() should work on characters, not bytes");
+
+ open G, "<:utf8", "b";
+ $ok = $a = 0;
+ for (@a) {
+ unless (
+ ($c = sysread(G, $b, 1)) == 1 &&
+ length($b) == 1 &&
+ ord($b) == ord($_) &&
+ systell(G) == ($a += bytes::length($_))
+ ) {
+ print '# ord($_) == ', ord($_), "\n";
+ print '# ord($b) == ', ord($b), "\n";
+ print '# length($b) == ', length($b), "\n";
+ print '# bytes::length($b) == ', bytes::length($b), "\n";
+ print '# systell(G) == ', systell(G), "\n";
+ print '# $a == ', $a, "\n";
+ print '# $c == ', $c, "\n";
+ last;
+ }
+ $ok++;
+ }
+ close G;
+ ok($ok == @a,
+ "checking syswrite() output on :utf8 streams by reading it back in");
+}
+
+END {
+ 1 while unlink "utf8";
+ 1 while unlink "a";
+ 1 while unlink "b";
+}
+
+# the test cases beyond __DATA__ need to be executed separately
-__END__
-# this one won't run as $locale_encoding is already set
-# perhaps qx{} it, if it's important to run
+__DATA__
$ENV{LC_ALL} = 'nonexistent.euc';
eval { open::_get_locale_encoding() };
-like( $@, qr/too ambiguous/, 'died with ambiguous locale encoding' );
+like( $@, qr/too ambiguous/, 'should die with ambiguous locale encoding' );
+%%%
+# the special :locale layer
+$ENV{LANG} = 'ru_RU.KOI8-R';
+# the :locale will probe the locale environment variables like LANG
+use open OUT => ':locale';
+open(O, ">koi8");
+print O chr(0x430); # Unicode CYRILLIC SMALL LETTER A = KOI8-R 0xc1
+close O;
+open(I, "<koi8");
+printf "%#x\n", ord(<I>), "\n"; # this should print 0xc1
+close I;
+%%%