Learned monks,

I'd like to prevent modules from being loaded.

Many Perl modules are built on top of other modules, and some even acknowledge that There Is More Than Way To Do It by offering different implementations depending on what helper modules are present. For writing test cases that trigger all possible choices, I would like to pretend that certain modules are not available.

The documentation for require states that require works similar to 

if (exists $INC{$filename}) {
   return 1 if $INC{$filename};
   die "Compilation failed in require";
}

[download]
which led me to believe that I could do 
use strict;
BEGIN{
        $INC{'CGI.pm'} = undef;
}
use CGI;

[download]
But that does not work. While the module (CGI) is not loaded, the code does not die as it should.

In reply to Simulating the absence of a module by Thilosophy

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