use strict;
use Test::More tests => 4;
is(expand_string('...<missing field>...', {}),
'......');
is(expand_string('...<missing field>...', {}, 1),
'...<missing field>...');
is(expand_string('...<missing%02d>...', {}),
'......');
is(expand_string('...<missing%02d>...', {}, 1),
'...<missing%02d>...');