To answer the question in your title: yes.

The style of testing you describe, I'd call data-driven testing, and there's nothing wrong with it (I like it, actually), but your particular example is quite a sight to behold. For some slightly cleaner examples, see (in no particular order):

• Re: Stuck in komplexer regex, at least for me
• Re^3: Regex conditional match if previous match in same expression is true?
• Re: WebApps and Encoding
• Re^3: Check for Positive Integer entry only
• Re: REgular expression to check the string that allows "a","b" and "c" to occur only once in any order.

I'd like to offer you a rewritten copy of your own example, but I'm not sure I understand what it's doing. Maybe this:

plan 'tests' => scalar @Tests;

foreach my $test (@Tests) {
    my $result = eval { Foo->new( $test->{params} ); 'ok' };
    my $desc = $test->{desc} || 'test Foo->new';
    is( $result, $test->{result}, $desc );
}
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