treewide: run update-copyrights from gnulib for 2019

[public-inbox.git] / t / hval.t

diff --git a/t/hval.t b/t/hval.t
index bfc9a856f50ba83886388f34e57ad1f3fa91ddbe..38605c6f16faf6e4b424af66a7306446a27334c7 100644 (file)
--- a/t/hval.t
+++ b/t/hval.t
@@ -1,9 +1,22 @@
-# Copyright (C) 2017-2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2017-2020 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 use strict;
 use warnings;
 use Test::More;
-use_ok 'PublicInbox::Hval';
+use_ok 'PublicInbox::Hval', qw(to_attr);
+
+# reverse the result of to_attr
+sub from_attr ($) {
+       my ($str) = @_;
+       my $first = '';
+       if ($str =~ s/\AZ([a-f0-9]{2})//ms) {
+               $first = chr(hex($1));
+       }
+       $str =~ s!::([a-f0-9]{2})!chr(hex($1))!egms;
+       $str =~ tr!:!/!;
+       utf8::decode($str);
+       $first . $str;
+}
 
 my $ibx = {
        -no_obfuscate_re => qr/(?:example\.com)\z/i,
@@ -47,4 +60,14 @@ my $s = "\0\x07\n";
 PublicInbox::Hval::src_escape($s);
 is($s, "\\0\\a\n", 'src_escape works as intended');
 
+foreach my $s ('Hello/World.pm', 'Zcat', 'hello world.c', 'Eléanor', '$at') {
+       my $attr = to_attr($s);
+       is(from_attr($attr), $s, "$s => $attr => $s round trips");
+}
+
+{
+       my $bad = to_attr('foo//bar');
+       ok(!$bad, 'double-slash rejected');
+}
+
 done_testing();