1387056 - [DateTimePicker] Default start date is 'today's date" if web author doesn't set start date

Status: RESOLVED INVALID

(Core :: Layout: Form Controls, defect)

Description

[roxleitan]

Attachment: date preset step.html

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0
Build ID: 20170802100302

[Affected versions]:
Nightly 57.0a1

[Affected platforms]:
Mac OS X 10.12, Windows 10 X64

[Steps to reproduce]:
1.Launch Nightly 57.0a1 with a new profile
2.Set "dom.forms.datetime.timepicker" pref to True in about:config
3.Open the attached HTML
4.Click to trigger picker


[Expected result]:
Default start date should be 1970-01-01 
(please see : https://mozilla.invisionapp.com/share/GU7VBIB4D#/screens/171579745 / B section )

[Actual result]:
Default start date is 'today's date"

Comment 1

[Scott Wu [:scottwu]]

What the spec means is that the start date for step should be 1970-01-01 if no min or value is specified, as in it will start counting days from 1970-01-01. Whereas the date where the calendar opens to is not in spec, and we set it to current month for ease of use. I would say this bug is invalid.