X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fopen.t;h=50292929c85e76e8223e478637135f2324a2d33e;hb=fd20da51661b685c54940aeb116a97beabf44d0f;hp=b2a9ba69cb3f2d07fe9db53f4fa529ea13bab84e;hpb=20e513cf85a6f96ec9a4aa09812ad23e77488856;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/open.t b/lib/open.t index b2a9ba6..5029292 100644 --- a/lib/open.t +++ b/lib/open.t @@ -3,9 +3,11 @@ BEGIN { chdir 't' if -d 't'; @INC = '../lib'; + push @INC, "::lib:$MacPerl::Architecture:" if $^O eq 'MacOS'; + 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 { @@ -13,56 +15,183 @@ sub import { } # can't use require_ok() here, with a name like 'open' -ok( require 'open.pm', 'require' ); +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 PerlIO layers/, + '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; -undef @ENV{qw(LC_ALL LANG LANGUAGE)}; -eval { import( 'IN', 'locale' ) }; -like( $@, qr/Cannot figure out an encoding/, 'no encoding found' ); - my $warn; local $SIG{__WARN__} = sub { $warn .= shift; }; -# and it shouldn't be able to find this discipline -eval{ import( 'IN', 'macguffin' ) }; -like( $warn, qr/Unknown discipline layer/, 'warned about unknown discipline' ); +# and it shouldn't be able to find this layer +$warn = ''; +eval q{ no warnings 'layer'; use open IN => ':macguffin' ; }; +is( $warn, '', + 'should not warn about unknown layer with bad layer provided' ); + +$warn = ''; +eval q{ use warnings 'layer'; use open IN => ':macguffin' ; }; +like( $warn, qr/Unknown PerlIO layer/, + 'should warn about unknown layer with bad layer provided' ); -# now load a real-looking locale -$ENV{LC_ALL} = ' .utf8'; -import( 'IN', 'locale' ); -is( ${^OPEN}, ':utf8\0', 'set locale layer' ); +SKIP: { + skip("no perlio, no :utf8", 1) unless (find PerlIO::Layer 'perlio'); + # now load a real-looking locale + $ENV{LC_ALL} = ' .utf8'; + import( 'IN', 'locale' ); + like( ${^OPEN}, qr/^(:utf8)?: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' ); +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' ); +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 PerlIO layer 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 layer' ); +is( $^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' ); + +SKIP: { + skip("no perlio, no :utf8", 4) unless (find PerlIO::Layer 'perlio'); + + eval <utf8"); + print O chr(0x100); + close O; + open(I, "), 0x100, ":utf8 single wide character round-trip"); + close I; +EOE + + open F, ">a"; + @a = map { chr(1 << ($_ << 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{LC_ALL} = $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, "), "\n"; # this should print 0xc1 +close I; +%%%