On Thu, Dec 31, 2015 at 10:06 PM, Ling Wang <an0...@gmail.com> wrote:
> Do you mean something like this in
> validation-test/stdlib/SequenceType.swift.gyb:
>
> SequenceTypeTests.test("Range<Element>.contains/WhereElementIsComparable/dispatch")
> {
> MinimalComparableValue.timesLessWasCalled = 0
> let start = 0
> let end = 10
> let range = Range(start: MinimalComparableValue(start), end:
> MinimalComparableValue(end))
> let count = 20
> for test in 0...count {
> expectEqual(
> test >= start && test < end,
> range.contains(MinimalComparableValue(test)))
> }
> expectEqual(
> count * 2, MinimalComparableValue.timesLessWasCalled)
> }
Yes, this would be good.
> There is one issue. MinimalComparableValue doesn’t conform to
> ForwardIndexType. I’m not sure it is proper for me to add this conformance in
> an extension because the definition of MinimalComparableValue is “A type that
> conforms only to `Equatable` and `Comparable`”.
>
> What’s your suggestion?
I think it would be appropriate to define a special type like
MinimalComparableValue just for this test since the requirements are
quite specific (Comparable + ForwardIndexType).
Dmitri
--
main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
(j){printf("%d\n",i);}}} /*Dmitri Gribenko <griboz...@gmail.com>*/
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