--- CBOR-XS/t/58_hv.t	2016/04/24 13:15:19	1.1
+++ CBOR-XS/t/58_hv.t	2016/04/24 19:31:56	1.2
@@ -1,4 +1,4 @@
-BEGIN { $| = 1; print "1..16\n"; }
+BEGIN { $| = 1; print "1..18\n"; }
 
 # none of the other tests serialise hv's, gross
 # also checks utf8_strings
@@ -49,4 +49,11 @@
 $enc = $utf8_strings->encode ({ "\x{8f}" => undef });
 print $enc ne (pack "H*", "a162c28ff6") ? "not " : "", "ok 15\n";
 
-print "ok 16\n";
+$enc = $utf8_strings->encode ({ "\x{8f}gix\x{ff}x" => undef });
+print $enc ne (pack "H*", "a168c28f676978c3bf78f6") ? "not " : "", "ok 16\n";
+
+$dec = decode_cbor pack "H*", "a168c28f676978c3bf78f6";
+print +(keys %$dec)[0] ne "\x{8f}gix\x{ff}x" ? "not " : "", "ok 17\n";
+
+print "ok 18\n";
+