use strict; use warnings; use Test::More; use URI::urn; plan tests => 6; { require URI::_foreign; # load this before disabling @INC my $count = 0; local @INC = sub { $count++; return }; for ( 0 .. 1 ) { my $uri = URI->new('urn:asdfasdf:1.2.3.4.5.6.7.8.9.10'); is( $count, 1, 'only attempt to load the scheme package once' ); is( $@, '', 'no exception when trying to load a scheme handler class' ); ok( $uri->isa('URI'), 'but URI still instantiated as foreign' ); } }