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 => 22; 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# prevent it from loading I18N::Langinfo, so we can test encoding failures 26my $warn; 27local $SIG{__WARN__} = sub { 28 $warn .= shift; 29}; 30 31# and it shouldn't be able to find this layer 32$warn = ''; 33eval q{ no warnings 'layer'; use open IN => ':macguffin' ; }; 34is( $warn, '', 35 'should not warn about unknown layer with bad layer provided' ); 36 37$warn = ''; 38eval q{ use warnings 'layer'; use open IN => ':macguffin' ; }; 39like( $warn, qr/Unknown PerlIO layer/, 40 'should warn about unknown layer with bad layer provided' ); 41 42# open :locale logic changed since open 1.04, new logic 43# difficult to test portably. 44 45# see if it sets the magic variables appropriately 46import( 'IN', ':crlf' ); 47is( $^H{'open_IN'}, 'crlf', 'should have set crlf layer' ); 48 49# it should reset them appropriately, too 50import( 'IN', ':raw' ); 51is( $^H{'open_IN'}, 'raw', 'should have reset to raw layer' ); 52 53# it dies if you don't set IN, OUT, or IO 54eval { import( 'sideways', ':raw' ) }; 55like( $@, qr/Unknown PerlIO layer class/, 'should croak with unknown class' ); 56 57# but it handles them all so well together 58import( 'IO', ':raw :crlf' ); 59is( ${^OPEN}, ":raw :crlf\0:raw :crlf", 60 'should set multi types, multi layer' ); 61is( $^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' ); 62 63SKIP: { 64 skip("no perlio, no :utf8", 12) unless (find PerlIO::Layer 'perlio'); 65 66 eval <<EOE; 67 use open ':utf8'; 68 open(O, ">utf8"); 69 print O chr(0x100); 70 close O; 71 open(I, "<utf8"); 72 is(ord(<I>), 0x100, ":utf8 single wide character round-trip"); 73 close I; 74EOE 75 76 open F, ">a"; 77 @a = map { chr(1 << ($_ << 2)) } 0..5; # 0x1, 0x10, .., 0x100000 78 unshift @a, chr(0); # ... and a null byte in front just for fun 79 print F @a; 80 close F; 81 82 sub systell { 83 use Fcntl 'SEEK_CUR'; 84 sysseek($_[0], 0, SEEK_CUR); 85 } 86 87 require bytes; # not use 88 89 my $ok; 90 91 open F, "<:utf8", "a"; 92 $ok = $a = 0; 93 for (@a) { 94 unless ( 95 ($c = sysread(F, $b, 1)) == 1 && 96 length($b) == 1 && 97 ord($b) == ord($_) && 98 systell(F) == ($a += bytes::length($b)) 99 ) { 100 print '# ord($_) == ', ord($_), "\n"; 101 print '# ord($b) == ', ord($b), "\n"; 102 print '# length($b) == ', length($b), "\n"; 103 print '# bytes::length($b) == ', bytes::length($b), "\n"; 104 print '# systell(F) == ', systell(F), "\n"; 105 print '# $a == ', $a, "\n"; 106 print '# $c == ', $c, "\n"; 107 last; 108 } 109 $ok++; 110 } 111 close F; 112 ok($ok == @a, 113 "on :utf8 streams sysread() should work on characters, not bytes"); 114 115 sub diagnostics { 116 print '# ord($_) == ', ord($_), "\n"; 117 print '# bytes::length($_) == ', bytes::length($_), "\n"; 118 print '# systell(G) == ', systell(G), "\n"; 119 print '# $a == ', $a, "\n"; 120 print '# $c == ', $c, "\n"; 121 } 122 123 124 my %actions = ( 125 syswrite => sub { syswrite G, shift; }, 126 'syswrite len' => sub { syswrite G, shift, 1; }, 127 'syswrite len pad' => sub { 128 my $temp = shift() . "\243"; 129 syswrite G, $temp, 1; }, 130 'syswrite off' => sub { 131 my $temp = "\351" . shift(); 132 syswrite G, $temp, 1, 1; }, 133 'syswrite off pad' => sub { 134 my $temp = "\351" . shift() . "\243"; 135 syswrite G, $temp, 1, 1; }, 136 ); 137 138 foreach my $key (sort keys %actions) { 139 # syswrite() on should work on characters, not bytes 140 open G, ">:utf8", "b"; 141 142 print "# $key\n"; 143 $ok = $a = 0; 144 for (@a) { 145 unless ( 146 ($c = $actions{$key}($_)) == 1 && 147 systell(G) == ($a += bytes::length($_)) 148 ) { 149 diagnostics(); 150 last; 151 } 152 $ok++; 153 } 154 close G; 155 ok($ok == @a, 156 "on :utf8 streams syswrite() should work on characters, not bytes"); 157 158 open G, "<:utf8", "b"; 159 $ok = $a = 0; 160 for (@a) { 161 unless ( 162 ($c = sysread(G, $b, 1)) == 1 && 163 length($b) == 1 && 164 ord($b) == ord($_) && 165 systell(G) == ($a += bytes::length($_)) 166 ) { 167 print '# ord($_) == ', ord($_), "\n"; 168 print '# ord($b) == ', ord($b), "\n"; 169 print '# length($b) == ', length($b), "\n"; 170 print '# bytes::length($b) == ', bytes::length($b), "\n"; 171 print '# systell(G) == ', systell(G), "\n"; 172 print '# $a == ', $a, "\n"; 173 print '# $c == ', $c, "\n"; 174 last; 175 } 176 $ok++; 177 } 178 close G; 179 ok($ok == @a, 180 "checking syswrite() output on :utf8 streams by reading it back in"); 181 } 182} 183 184SKIP: { 185 skip("no perlio", 1) unless (find PerlIO::Layer 'perlio'); 186 use open IN => ':non-existent'; 187 eval { 188 require Symbol; # Anything that exists but we havn't loaded 189 }; 190 like($@, qr/Can't locate Symbol|Recursive call/i, 191 "test for an endless loop in PerlIO_find_layer"); 192} 193 194END { 195 1 while unlink "utf8"; 196 1 while unlink "a"; 197 1 while unlink "b"; 198} 199 200# the test cases beyond __DATA__ need to be executed separately 201 202__DATA__ 203$ENV{LC_ALL} = 'nonexistent.euc'; 204eval { open::_get_locale_encoding() }; 205like( $@, qr/too ambiguous/, 'should die with ambiguous locale encoding' ); 206%%% 207# the special :locale layer 208$ENV{LC_ALL} = $ENV{LANG} = 'ru_RU.KOI8-R'; 209# the :locale will probe the locale environment variables like LANG 210use open OUT => ':locale'; 211open(O, ">koi8"); 212print O chr(0x430); # Unicode CYRILLIC SMALL LETTER A = KOI8-R 0xc1 213close O; 214open(I, "<koi8"); 215printf "%#x\n", ord(<I>), "\n"; # this should print 0xc1 216close I; 217%%% 218