[Seaside] Grease testSeconds is failing in Squeak 4.3 and Pharo
1.4
David T. Lewis
lewis at mail.msen.com
Mon Feb 20 12:40:13 UTC 2012
On Mon, Feb 20, 2012 at 06:51:24AM +0100, Philippe Marschall wrote:
> 2012/2/20 nicolas cellier <nicolas.cellier.aka.nice at gmail.com>:
> > In all Smalltalk, (2/1) is automatically reduced to a canonical Integer
> > representation.
> > Nonetheless it is also a fraction.
> >
> > 1) Since all Integer are special kind of fraction and are polymorphic to
> > fraction in Squeak and Pharo (responds to numerator, denominator, fractionPart
> > etc...)
> > 2) and since doing so both simplify and speed up some arithmetic code,
> >
> > Squeak and Pharo (2 isFraction) now answer true.
> >
> > One consequence is a failing Grease test (GRPlatformTest>>testSeconds)
> >
> > ?? ??self deny: Time now seconds isFraction.
> >
> > The purpose is to test that no fractional seconds get returned.
> > I suggest rewriting:
> >
> > ?? ??self deny: (Time now seconds isKindOf: Fraction).
> >
> > which should be fairly portable
>
> 2 isFraction. -> true
> (2 / 1) isFraction. -> true
> 2s0 isFraction. -> false
> 2s0 = 2. -> true
> 2s0 = (2 / 1). -> true
>
> makes total sense
>
But 2s0 is a whole number, so perhaps it should be treated like an
integer in this context? If so, then:
2 denominator = 1. ==> true
(2 / 1) denominator = 1. ==> true
2s0 denominator = 1. ==> true
2s0 = 2. ==> true
2s0 = (2 / 1). ==> true
Dave
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