Thanks Mark. Your explanation makes sense to me now. Happy to report the tests passing in scala now! https://github.com/er1c/scala-apache-commons-lang3/runs/991749187?check_suite_focus=true#step:4:1443
Best Regards, Eric On Mon, Aug 17, 2020 at 12:03 AM Mark Dacek <m...@syberion.com> wrote: > The difference is that the CharSequence... will search for the first > occurrence of any of the provided CharSequences. The single CharSequence > arg-method will search for the first of any chars in the provided sequence. > > Regarding the test assertion: > it's the index of *any *of the provided characters, not the entire string. > "z" appears at index 0 of the searched string. > I'm guessing your assumption of "2" being the expected out is due to > expectations of: > a. Searching for the entire provided String. This would be the behavior if > you'd used the traditional *indexOf *method. > b. Assuming that the second character of the string is index 2. Java > indexes at 0, so this would be returned as 1. > > Looking at the code has me wondering whether adding the search chars to a > Set and then testing each one is a better approach. > > On Sun, Aug 16, 2020 at 9:52 PM Eric Peters <e...@peters.org> wrote: > > > Hi ~ > > > > I'm in the process of porting apache commons lang to scala, so it can > > transpile to javascript/scala native. ( > > https://github.com/er1c/scala-apache-commons-lang3 FWIW) > > > > One test I'm currently investigating is this line: > > > > > > > https://github.com/apache/commons-lang/blob/master/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java#L401 > > > > What exactly is the difference between CharSequence... and CharSequence > > signatures on the usage of indexOfAny. I'm trying to figure out why the > > expected index is "0" instead of "2" > > > > Thanks! > > > > -Eric > > >
