--- JSON-XS/t/02_error.t	2007/03/23 15:10:55	1.2
+++ JSON-XS/t/02_error.t	2007/03/29 02:45:49	1.3
@@ -1,4 +1,4 @@
-BEGIN { $| = 1; print "1..19\n"; }
+BEGIN { $| = 1; print "1..25\n"; }
 
 use utf8;
 use JSON::XS;
@@ -8,6 +8,13 @@
    print $_[0] ? "" : "not ", "ok ", ++$test, "\n";
 }
 
+eval { JSON::XS->new->encode ([\-1]) }; ok $@ =~ /cannot encode reference/;
+eval { JSON::XS->new->encode ([\undef]) }; ok $@ =~ /cannot encode reference/;
+eval { JSON::XS->new->encode ([\2]) }; ok $@ =~ /cannot encode reference/;
+eval { JSON::XS->new->encode ([\{}]) }; ok $@ =~ /cannot encode reference/;
+eval { JSON::XS->new->encode ([\[]]) }; ok $@ =~ /cannot encode reference/;
+eval { JSON::XS->new->encode ([\\1]) }; ok $@ =~ /cannot encode reference/;
+
 eval { JSON::XS->new->allow_nonref (1)->decode ('"\u1234\udc00"') }; ok $@ =~ /missing high /;
 eval { JSON::XS->new->allow_nonref->decode ('"\ud800"') }; ok $@ =~ /missing low /;
 eval { JSON::XS->new->allow_nonref (1)->decode ('"\ud800\u1234"') }; ok $@ =~ /surrogate pair /;