use strict; use warnings; use Test::More; use Test::Fatal; use Catalyst::Engine; my $m = sub { Catalyst::Engine->_dump_error_page_element(@_) }; is exception { $m->('Scalar' => ['foo' => 'bar']) }, undef; is exception { $m->('Array' => ['foo' => []]) }, undef; is exception { $m->('Hash' => ['foo' => {}]) }, undef; done_testing;