failsafe( [
    'SUBJECT' => 'The quick brown fox jumps over the lazy dog',
], 
    "^NAME is required",
    "Constructor correctly failed due to lack of NAME for module");

failsafe( [
    'NAME' => 'My::B!ad::Module',
], 
    "^Module NAME contains illegal characters",
    "Constructor correctly failed due to illegal characters in module name");

failsafe( [
    'NAME' => "My'BadModule",
], 
    "^Module NAME contains illegal characters",
    "Perl 4-style single-quote path separators no longer supported");