diff --git a/t/rssurls.t b/t/rssurls.t
new file mode 100755
index 000000000..870770496
--- /dev/null
+++ b/t/rssurls.t
@@ -0,0 +1,37 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+use Test::More tests => 13;
+
+BEGIN { use_ok("IkiWiki::Plugin::inline"); }
+
+# Test the absolute_urls function, used to fix up relative urls for rss
+# feeds.
+sub test {
+	my $input=shift;
+	my $baseurl=shift;
+	my $expected=shift;
+	$expected=~s/URL/$baseurl/g;
+	is(IkiWiki::absolute_urls($input, $baseurl), $expected);
+	# try it with single quoting -- it's ok if the result comes back
+	# double or single-quoted
+	$input=~s/"/'/g;
+	my $expected_alt=$expected;
+	$expected_alt=~s/"/'/g;
+	my $ret=IkiWiki::absolute_urls($input, $baseurl);
+	ok(($ret eq $expected) || ($ret eq $expected_alt), "$ret vs $expected");
+}
+
+sub unchanged {
+	test($_[0], $_[1], $_[0]);
+}
+
+my $url="http://example.com/blog/foo/";
+unchanged("foo", $url);
+unchanged('<a href="http://other.com/bar.html">', $url, );
+test('<a href="bar.html">', $url, '<a href="URLbar.html">');
+test('<a href="/bar.html">', $url, '<a href="http://example.com/bar.html">');
+test('<img src="bar.png" />', $url, '<img src="URLbar.png" />');
+test('<img src="/bar.png" />', $url, '<img src="http://example.com/bar.png" />');
+# off until bug #603736 is fixed
+#test('<video controls src="bar.ogg">', $url, '<video controls src="URLbar.ogg">');