+ my ($field, $from, $to) = @_;
+ cmp_ok( $f->( $from, $field, 1 ), 'eq', $to, "filter $field |$from| -> |$to|" );
+}
+
+test_filter(200,
+ '^afoo^cbar^fbing : bong',
+ '^afoo. bar^fbing / bong',
+);
+
+# modify_file
+
+my $modify_file = "$abs_path/conf/modify/test.pl";
+
+ok($input->open(
+ path => "/and/another/fake/path",
+ modify_file => $modify_file,
+), "open (with modify_file $modify_file)");