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 => 16; 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 # now load a real-looking locale 49 $ENV{LC_ALL} = ' .utf8'; 50 import( 'IN', 'locale' ); 51 like( ${^OPEN}, qr/^(:utf8)?:utf8\0/, 52 'should set a valid locale layer' ); 53} 54 55# and see if it sets the magic variables appropriately 56import( 'IN', ':crlf' ); 57ok( $^H & $open::hint_bits, 58 'hint bits should be set in $^H after open import' ); 59is( $^H{'open_IN'}, 'crlf', 'should have set crlf layer' ); 60 61# it should reset them appropriately, too 62import( 'IN', ':raw' ); 63is( $^H{'open_IN'}, 'raw', 'should have reset to raw layer' ); 64 65# it dies if you don't set IN, OUT, or IO 66eval { import( 'sideways', ':raw' ) }; 67like( $@, qr/Unknown PerlIO layer class/, 'should croak with unknown class' ); 68 69# but it handles them all so well together 70import( 'IO', ':raw :crlf' ); 71is( ${^OPEN}, ":raw :crlf\0:raw :crlf", 72 'should set multi types, multi layer' ); 73is( $^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' ); 74 75SKIP: { 76 skip("no perlio, no :utf8", 4) unless (find PerlIO::Layer 'perlio'); 77 78 eval <<EOE; 79 use open ':utf8'; 80 open(O, ">utf8"); 81 print O chr(0x100); 82 close O; 83 open(I, "<utf8"); 84 is(ord(<I>), 0x100, ":utf8 single wide character round-trip"); 85 close I; 86EOE 87 88 open F, ">a"; 89 @a = map { chr(1 << ($_ << 2)) } 0..5; # 0x1, 0x10, .., 0x100000 90 unshift @a, chr(0); # ... and a null byte in front just for fun 91 print F @a; 92 close F; 93 94 sub systell { 95 use Fcntl 'SEEK_CUR'; 96 sysseek($_[0], 0, SEEK_CUR); 97 } 98 99 require bytes; # not use 100 101 my $ok; 102 103 open F, "<:utf8", "a"; 104 $ok = $a = 0; 105 for (@a) { 106 unless ( 107 ($c = sysread(F, $b, 1)) == 1 && 108 length($b) == 1 && 109 ord($b) == ord($_) && 110 systell(F) == ($a += bytes::length($b)) 111 ) { 112 print '# ord($_) == ', ord($_), "\n"; 113 print '# ord($b) == ', ord($b), "\n"; 114 print '# length($b) == ', length($b), "\n"; 115 print '# bytes::length($b) == ', bytes::length($b), "\n"; 116 print '# systell(F) == ', systell(F), "\n"; 117 print '# $a == ', $a, "\n"; 118 print '# $c == ', $c, "\n"; 119 last; 120 } 121 $ok++; 122 } 123 close F; 124 ok($ok == @a, 125 "on :utf8 streams sysread() should work on characters, not bytes"); 126 127 # syswrite() on should work on characters, not bytes 128 open G, ">:utf8", "b"; 129 $ok = $a = 0; 130 for (@a) { 131 unless ( 132 ($c = syswrite(G, $_, 1)) == 1 && 133 systell(G) == ($a += bytes::length($_)) 134 ) { 135 print '# ord($_) == ', ord($_), "\n"; 136 print '# bytes::length($_) == ', bytes::length($_), "\n"; 137 print '# systell(G) == ', systell(G), "\n"; 138 print '# $a == ', $a, "\n"; 139 print '# $c == ', $c, "\n"; 140 print "not "; 141 last; 142 } 143 $ok++; 144 } 145 close G; 146 ok($ok == @a, 147 "on :utf8 streams syswrite() should work on characters, not bytes"); 148 149 open G, "<:utf8", "b"; 150 $ok = $a = 0; 151 for (@a) { 152 unless ( 153 ($c = sysread(G, $b, 1)) == 1 && 154 length($b) == 1 && 155 ord($b) == ord($_) && 156 systell(G) == ($a += bytes::length($_)) 157 ) { 158 print '# ord($_) == ', ord($_), "\n"; 159 print '# ord($b) == ', ord($b), "\n"; 160 print '# length($b) == ', length($b), "\n"; 161 print '# bytes::length($b) == ', bytes::length($b), "\n"; 162 print '# systell(G) == ', systell(G), "\n"; 163 print '# $a == ', $a, "\n"; 164 print '# $c == ', $c, "\n"; 165 last; 166 } 167 $ok++; 168 } 169 close G; 170 ok($ok == @a, 171 "checking syswrite() output on :utf8 streams by reading it back in"); 172} 173 174END { 175 1 while unlink "utf8"; 176 1 while unlink "a"; 177 1 while unlink "b"; 178} 179 180# the test cases beyond __DATA__ need to be executed separately 181 182__DATA__ 183$ENV{LC_ALL} = 'nonexistent.euc'; 184eval { open::_get_locale_encoding() }; 185like( $@, qr/too ambiguous/, 'should die with ambiguous locale encoding' ); 186%%% 187# the special :locale layer 188$ENV{LC_ALL} = $ENV{LANG} = 'ru_RU.KOI8-R'; 189# the :locale will probe the locale environment variables like LANG 190use open OUT => ':locale'; 191open(O, ">koi8"); 192print O chr(0x430); # Unicode CYRILLIC SMALL LETTER A = KOI8-R 0xc1 193close O; 194open(I, "<koi8"); 195printf "%#x\n", ord(<I>), "\n"; # this should print 0xc1 196close I; 197%%% 198