require Config; import Config;
}
-use Test::More tests => 13;
+use Test::More tests => 16;
# open::import expects 'open' as its first argument, but it clashes with open()
sub import {
'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} = $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}' );
+{
+ 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 {
is( $^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' );
SKIP: {
- skip("no perlio, no :utf8", 1) unless $Config{'useperlio'};
-# the special :utf8 layer
+ skip("no perlio, no :utf8", 4) unless $Config{'useperlio'};
+
use open ':utf8';
open(O, ">utf8");
print O chr(0x100);
close O;
open(I, "<utf8");
- is(ord(<I>), 0x100, ":utf8");
+ is(ord(<I>), 0x100, ":utf8 single wide character round-trip");
close I;
+
+ open F, ">a";
+ @a = map { chr(1 << ($_ << 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