X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=t%2Fhval.t;fp=t%2Fhval.t;h=e80a02ff40879657678425852c7c9f26c541df32;hb=7f454bace0442cd5ce22068ec1e098e964d82778;hp=38605c6f16faf6e4b424af66a7306446a27334c7;hpb=bc18c05b1681acc9a468b298c34b12ca4db3e5bb;p=public-inbox.git

diff --git a/t/hval.t b/t/hval.t
index 38605c6f..e80a02ff 100644
--- a/t/hval.t
+++ b/t/hval.t
@@ -47,15 +47,17 @@ EOF
 
 is($html, $exp, 'only obfuscated relevant addresses');
 
-is('foo-bar', PublicInbox::Hval::to_filename('foo bar  '),
+is(PublicInbox::Hval::to_filename('foo bar  '), 'foo-bar',
 	'to_filename has no trailing -');
 
-is('foo-bar', PublicInbox::Hval::to_filename("foo   bar\nanother line\n"),
+is(PublicInbox::Hval::to_filename("foo   bar\nanother line\n"), 'foo-bar',
 	'to_filename has no repeated -, and nothing past LF');
 
-is('foo.bar', PublicInbox::Hval::to_filename("foo....bar"),
+is(PublicInbox::Hval::to_filename("foo....bar"), 'foo.bar',
 	'to_filename squeezes -');
 
+is(PublicInbox::Hval::to_filename(''), undef, 'empty string returns undef');
+
 my $s = "\0\x07\n";
 PublicInbox::Hval::src_escape($s);
 is($s, "\\0\\a\n", 'src_escape works as intended');