no utf8; # needed for use utf8 not griping about the raw octets
$| = 1;
-print "1..26\n";
+print "1..31\n";
open(F,"+>:utf8",'a');
print F chr(0x100).'£';
close F;
unlink('a');
-open F, ">a";
+open F, ">:utf8", "a";
@a = map { chr(1 << ($_ << 2)) } 0..5; # 0x1, 0x10, .., 0x100000
unshift @a, chr(0); # ... and a null byte in front just for fun
print F @a;
close F;
print "ok 26\n";
+{
+ # Check that warnings are on on I/O, and that they can be muffled.
+
+ local $SIG{__WARN__} = sub { $@ = shift };
+
+ undef $@;
+ open F, ">a";
+ print F chr(0x100);
+ close(F);
+
+ print $@ =~ /Wide character in print/ ? "ok 27\n" : "not ok 27\n";
+
+ undef $@;
+ open F, ">:utf8", "a";
+ print F chr(0x100);
+ close(F);
+
+ print defined $@ ? "not ok 28\n" : "ok 28\n";
+
+ undef $@;
+ open F, ">a";
+ binmode(F, ":utf8");
+ print F chr(0x100);
+ close(F);
+
+ print defined $@ ? "not ok 29\n" : "ok 29\n";
+
+ no warnings 'utf8';
+
+ undef $@;
+ open F, ">a";
+ print F chr(0x100);
+ close(F);
+
+ print defined $@ ? "not ok 30\n" : "ok 30\n";
+
+ use warnings 'utf8';
+
+ undef $@;
+ open F, ">a";
+ print F chr(0x100);
+ close(F);
+
+ print $@ =~ /Wide character in print/ ? "ok 31\n" : "not ok 31\n";
+}
+
# sysread() and syswrite() tested in lib/open.t since Fnctl is used
END {
1 while unlink "b";
}
-