--- /dev/null
+use strict;
+use warnings;
+use Test::More;
+use Test::Exception;
+
+use Catalyst::Engine;
+
+my $m = sub { Catalyst::Engine->_dump_error_page_element(@_) };
+
+lives_ok { $m->('Scalar' => ['foo' => 'bar']) };
+lives_ok { $m->('Array' => ['foo' => []]) };
+lives_ok { $m->('Hash' => ['foo' => {}]) };
+
+done_testing;
+