#!perl
# utf8::all turns on utf8
use strict;
use warnings;
use PerlIO;
use Test::More;
# Test with it on
{
use utf8::all;
is length "utf8::all is MËTÁŁ" => 18, 'unicode string is characters';
# Test the standard handles and all newly opened handles are utf8
ok((open my $test_fh, ">", "perlio_test"), 'open file for writing with utf8::all');
END { unlink "perlio_test" }
for my $fh (*STDOUT, *STDIN, *STDERR, $test_fh) {
my @layers = PerlIO::get_layers($fh);
ok(grep(m/utf8/, @layers), 'utf8 appears in the perlio layers')
or diag explain { $fh => \@layers };
ok(grep(m/utf-8-strict/, @layers), 'utf-8-strict appears in the perlio layers')
or diag explain { $fh => \@layers };
}
}
# And off
{
is length "utf8::all is MËTÁŁ" => 21, 'unicode string is octets';
ok((open my $test_fh, ">", "perlio_test2"), 'open file for writing with utf8::all');
END { unlink "perlio_test2" }
my @layers = PerlIO::get_layers($test_fh);
SKIP: {
# If we have the Perl Unicode flag set that adds the UTF-8 layer,
# we need to skip this test.
skip 'Perl Unicode flag set that always adds UTF-8 layer to output', 1 if (${^UNICODE} & 16);
ok( !grep(/utf8/, @layers), q{utf8 doesn't appear in perlio layers})
or diag explain { $test_fh => \@layers };
}
ok( !grep(m/utf-8-strict/, @layers), q{utf-8-strict doesn't appear in the perlio layers})
or diag explain { $test_fh => \@layers };
}
done_testing;