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Feature #16031

open

Raise ArgumentError when creating Time objects with invalid day of month, instead of rolling into next month

Added by aliism (Ali Ismayilov) over 4 years ago. Updated almost 4 years ago.

Status:
Open
Assignee:
-
Target version:
-
[ruby-core:94079]

Description

When parsing an invalid date, like February 31 or November 31, I get different results from Date and Time classes.

require 'date'
require 'time'

Date.strptime('2019-02-31', '%Y-%m-%d')
# Traceback (most recent call last):
#         5: from /Users/ali/.rbenv/versions/2.6.3/bin/irb:23:in `<main>'
#         4: from /Users/ali/.rbenv/versions/2.6.3/bin/irb:23:in `load'
#         3: from /Users/ali/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/irb-1.0.0/exe/irb:11:in `<top (required)>'
#         2: from (irb):5
#         1: from (irb):5:in `strptime'
# ArgumentError (invalid date)

Time.strptime('2019-02-31', '%Y-%m-%d')
# => 2019-03-03 00:00:00 +0100

I'd expect Time class to throw ArgumentError, just like the Date class.

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