1#!./perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = '../lib'; 6 push @INC, "::lib:$MacPerl::Architecture:" if $^O eq 'MacOS'; 7 require Config; import Config; 8} 9 10use Test::More tests => 17; 11 12# open::import expects 'open' as its first argument, but it clashes with open() 13sub import { 14 open::import( 'open', @_ ); 15} 16 17# can't use require_ok() here, with a name like 'open' 18ok( require 'open.pm', 'requiring open' ); 19 20# this should fail 21eval { import() }; 22like( $@, qr/needs explicit list of PerlIO layers/, 23 'import should fail without args' ); 24 25# the hint bits shouldn't be set yet 26is( $^H & $open::hint_bits, 0, 27 'hint bits should not be set in $^H before open import' ); 28 29# prevent it from loading I18N::Langinfo, so we can test encoding failures 30my $warn; 31local $SIG{__WARN__} = sub { 32 $warn .= shift; 33}; 34 35# and it shouldn't be able to find this layer 36$warn = ''; 37eval q{ no warnings 'layer'; use open IN => ':macguffin' ; }; 38is( $warn, '', 39 'should not warn about unknown layer with bad layer provided' ); 40 41$warn = ''; 42eval q{ use warnings 'layer'; use open IN => ':macguffin' ; }; 43like( $warn, qr/Unknown PerlIO layer/, 44 'should warn about unknown layer with bad layer provided' ); 45 46SKIP: { 47 skip("no perlio, no :utf8", 1) unless (find PerlIO::Layer 'perlio'); 48 skip("no Encode for locale layer", 1) unless eval { require Encode }; 49 # now load a real-looking locale 50 $ENV{LC_ALL} = ' .utf8'; 51 import( 'IN', 'locale' ); 52 like( ${^OPEN}, qr/^(:utf8)?:utf8\0/, 53 'should set a valid locale layer' ); 54} 55 56# and see if it sets the magic variables appropriately 57import( 'IN', ':crlf' ); 58ok( $^H & $open::hint_bits, 59 'hint bits should be set in $^H after open import' ); 60is( $^H{'open_IN'}, 'crlf', 'should have set crlf layer' ); 61 62# it should reset them appropriately, too 63import( 'IN', ':raw' ); 64is( $^H{'open_IN'}, 'raw', 'should have reset to raw layer' ); 65 66# it dies if you don't set IN, OUT, or IO 67eval { import( 'sideways', ':raw' ) }; 68like( $@, qr/Unknown PerlIO layer class/, 'should croak with unknown class' ); 69 70# but it handles them all so well together 71import( 'IO', ':raw :crlf' ); 72is( ${^OPEN}, ":raw :crlf\0:raw :crlf", 73 'should set multi types, multi layer' ); 74is( $^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' ); 75 76SKIP: { 77 skip("no perlio, no :utf8", 4) unless (find PerlIO::Layer 'perlio'); 78 79 eval <<EOE; 80 use open ':utf8'; 81 open(O, ">utf8"); 82 print O chr(0x100); 83 close O; 84 open(I, "<utf8"); 85 is(ord(<I>), 0x100, ":utf8 single wide character round-trip"); 86 close I; 87EOE 88 89 open F, ">a"; 90 @a = map { chr(1 << ($_ << 2)) } 0..5; # 0x1, 0x10, .., 0x100000 91 unshift @a, chr(0); # ... and a null byte in front just for fun 92 print F @a; 93 close F; 94 95 sub systell { 96 use Fcntl 'SEEK_CUR'; 97 sysseek($_[0], 0, SEEK_CUR); 98 } 99 100 require bytes; # not use 101 102 my $ok; 103 104 open F, "<:utf8", "a"; 105 $ok = $a = 0; 106 for (@a) { 107 unless ( 108 ($c = sysread(F, $b, 1)) == 1 && 109 length($b) == 1 && 110 ord($b) == ord($_) && 111 systell(F) == ($a += bytes::length($b)) 112 ) { 113 print '# ord($_) == ', ord($_), "\n"; 114 print '# ord($b) == ', ord($b), "\n"; 115 print '# length($b) == ', length($b), "\n"; 116 print '# bytes::length($b) == ', bytes::length($b), "\n"; 117 print '# systell(F) == ', systell(F), "\n"; 118 print '# $a == ', $a, "\n"; 119 print '# $c == ', $c, "\n"; 120 last; 121 } 122 $ok++; 123 } 124 close F; 125 ok($ok == @a, 126 "on :utf8 streams sysread() should work on characters, not bytes"); 127 128 # syswrite() on should work on characters, not bytes 129 open G, ">:utf8", "b"; 130 $ok = $a = 0; 131 for (@a) { 132 unless ( 133 ($c = syswrite(G, $_, 1)) == 1 && 134 systell(G) == ($a += bytes::length($_)) 135 ) { 136 print '# ord($_) == ', ord($_), "\n"; 137 print '# bytes::length($_) == ', bytes::length($_), "\n"; 138 print '# systell(G) == ', systell(G), "\n"; 139 print '# $a == ', $a, "\n"; 140 print '# $c == ', $c, "\n"; 141 print "not "; 142 last; 143 } 144 $ok++; 145 } 146 close G; 147 ok($ok == @a, 148 "on :utf8 streams syswrite() should work on characters, not bytes"); 149 150 open G, "<:utf8", "b"; 151 $ok = $a = 0; 152 for (@a) { 153 unless ( 154 ($c = sysread(G, $b, 1)) == 1 && 155 length($b) == 1 && 156 ord($b) == ord($_) && 157 systell(G) == ($a += bytes::length($_)) 158 ) { 159 print '# ord($_) == ', ord($_), "\n"; 160 print '# ord($b) == ', ord($b), "\n"; 161 print '# length($b) == ', length($b), "\n"; 162 print '# bytes::length($b) == ', bytes::length($b), "\n"; 163 print '# systell(G) == ', systell(G), "\n"; 164 print '# $a == ', $a, "\n"; 165 print '# $c == ', $c, "\n"; 166 last; 167 } 168 $ok++; 169 } 170 close G; 171 ok($ok == @a, 172 "checking syswrite() output on :utf8 streams by reading it back in"); 173} 174 175SKIP: { 176 skip("no perlio", 1) unless (find PerlIO::Layer 'perlio'); 177 use open IN => ':non-existent'; 178 eval { 179 require Symbol; # Anything that exists but we havn't loaded 180 }; 181 like($@, qr/Can't locate Symbol|Recursive call/i, 182 "test for an endless loop in PerlIO_find_layer"); 183} 184 185END { 186 1 while unlink "utf8"; 187 1 while unlink "a"; 188 1 while unlink "b"; 189} 190 191# the test cases beyond __DATA__ need to be executed separately 192 193__DATA__ 194$ENV{LC_ALL} = 'nonexistent.euc'; 195eval { open::_get_locale_encoding() }; 196like( $@, qr/too ambiguous/, 'should die with ambiguous locale encoding' ); 197%%% 198# the special :locale layer 199$ENV{LC_ALL} = $ENV{LANG} = 'ru_RU.KOI8-R'; 200# the :locale will probe the locale environment variables like LANG 201use open OUT => ':locale'; 202open(O, ">koi8"); 203print O chr(0x430); # Unicode CYRILLIC SMALL LETTER A = KOI8-R 0xc1 204close O; 205open(I, "<koi8"); 206printf "%#x\n", ord(<I>), "\n"; # this should print 0xc1 207close I; 208%%% 209