On Wed, 29 Mar 2023 23:14:17 GMT, Naoto Sato <na...@openjdk.org> wrote:
>> Justin Lu has updated the pull request incrementally with five additional >> commits since the last revision: >> >> - Impl cleanup, add Saturday end day conditional >> - Rename test, clarify test documentation >> - Add type to static declaration of Cal.Builder, since only concerned with >> Gregorian for this test >> - Pass in amount as 1 directly >> - Reuse Calendar.Builder > > src/java.base/share/classes/java/util/GregorianCalendar.java line 3014: > >> 3012: */ >> 3013: private boolean dayInMinWeek (int day, int startDay, int endDay) { >> 3014: endDay = endDay == 0 > > Why `endDay` can be `0`? If the arguments are `Calendar.XXXDAY`, should they > be between 1 to 7? In other words, why is the above calling site doing > `getFirstDayOfWeek() - 1`? > I'd add some range checks for the input values. Right. I have changed it so the method throws an exception if the start and end days are not valid `DAY_OF_WEEK `values. And I have moved the ternary of switching 0 to 7 outside the method accordingly. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/13031#discussion_r1153805524