use strict; use warnings; use Test::More; use Devel::StackTrace; { $@ = my $msg = q{Don't tread on me}; Devel::StackTrace->new()->frame(0)->as_string(); is( $@, $msg, '$@ is not overwritten in as_string() method' ); } { $@ = my $msg = q{Don't tread on me}; Devel::StackTrace->new( ignore_package => 'Foo' )->frames(); is( $@, $msg, '$@ is not overwritten in _make_filter() method' ); } done_testing();