[mercury-users] Mercury Anarchive proposal

[Tom Breton (Tehom)]

> Julian Fondren wrote:

>> Why is this ideal?  The most amazingly test-driven project I've
>> seen, the Perl6-in-Haskell Pugs project, -needs- failing tests.
>
> A test that should fail is easily changed to a test that must not fail.

I doubt that's what he meant.  Test-driven development writes the tests
first, then changes the code.  Every feature begins as a failing test.  If
you enforce no failing tests, it means no new features or no test-driven
development.

That said, IMO there is a place for mature code that can be expected to
pass all its existing tests.

Tom



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