New NSCalendar `dateBySettingUnit` function appears not to do so correctly

Originator:adam
Number:rdar://19659127 Date Originated:30-Jan-2015 04:06 PM
Status:Open Resolved:
Product:Developer Tools Product Version:Xcode 6.1.1 (6A2006)
Classification:Other Bug Reproducible:Always
 
Summary:
NSCalendar’s dateBySettingUnit method does not appear to function as the header/docs describe it. See attached playground.

Steps to Reproduce:
See attached playground.

Expected Results:
In code comments in the playground.

Actual Results:
See attached playground.

Regression:
This is new. I try to use the newest APIs to get the most value out of them.

Notes:
Workaround provided in playground.

Comments


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