#!/usr/bin/perl

# Copyright 2014-2017, Paul Johnson (paul@pjcj.net)

# This software is free.  It is licensed under the same terms as Perl itself.

# The latest version of this software should be available from my homepage:
# http://www.pjcj.net

use lib "tests";

$x = shift || 0;
print "1 - $x\n";
if (!$x) {
    eval "use E2"; eval "use E3";
    E2::E2(); E3::E3();
} else {
    eval "use E3"; eval "use E4";
    E3::E3(); E4::E4();
}
print "2 - $x\n";