--- /dev/null
+#!perl
+
+use strict;
+use warnings FATAL => 'all';
+
+use Test::More;
+
+
+{
+ package Stuff;
+
+ use Test::More;
+ use Test::Fatal;
+ use Function::Parameters qw(:strict);
+
+ method whatever($this) {
+ return $this;
+ }
+
+ is( Stuff->whatever(23), 23 );
+
+ like exception { Stuff->whatever() }, qr/Not enough arguments/;
+
+ method some_optional($that, $this = 22) {
+ return $that + $this
+ }
+
+ is( Stuff->some_optional(18), 18 + 22 );
+
+ like exception { Stuff->some_optional() }, qr/Not enough arguments/;
+}
+
+
+done_testing();