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Added Time#beginning_of_quarter (closes #3607) [cohen.jeff@gmail.com]

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3659 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson
2006-02-26 00:46:18 +00:00
parent 3d0a9ff437
commit e57bd727df
3 changed files with 15 additions and 0 deletions
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2
activesupport/CHANGELOG
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@@ -1,5 +1,7 @@
*SVN*
* Added Time#beginning_of_quarter #3607 [cohen.jeff@gmail.com]
* Fix Object.subclasses_of to only return currently defined objects [Jonathan Viney <jonathan@bluewire.net.nz>]
* Fix constantize to properly handle names beginning with '::'. [Nicholas Seckar]

6
activesupport/lib/active_support/core_ext/time/calculations.rb
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@@ -152,6 +152,12 @@ module ActiveSupport #:nodoc:
change(:mday => last_day,:hour => 0, :min => 0, :sec => 0, :usec => 0)
end
alias :at_end_of_month :end_of_month
# Returns a new Time representing the start of the quarter (1st of january, april, july, october, 0:00)
def beginning_of_quarter
beginning_of_month.change(:month => [10, 7, 4, 1].detect { |m| m <= self.month })
end
alias :at_beginning_of_quarter :beginning_of_quarter
# Returns a new Time representing the start of the year (1st of january, 0:00)
def beginning_of_year

7
activesupport/test/core_ext/time_ext_test.rb
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@@ -30,6 +30,13 @@ class TimeExtCalculationsTest < Test::Unit::TestCase
assert_equal Time.local(2005,2,1,0,0,0), Time.local(2005,2,22,10,10,10).beginning_of_month
end
def test_beginning_of_quarter
assert_equal Time.local(2005,1,1,0,0,0), Time.local(2005,2,15,10,10,10).beginning_of_quarter
assert_equal Time.local(2005,1,1,0,0,0), Time.local(2005,1,1,0,0,0).beginning_of_quarter
assert_equal Time.local(2005,10,1,0,0,0), Time.local(2005,12,31,10,10,10).beginning_of_quarter
assert_equal Time.local(2005,4,1,0,0,0), Time.local(2005,6,30,23,59,59).beginning_of_quarter
end
def test_end_of_month
assert_equal Time.local(2005,3,31,0,0,0), Time.local(2005,3,20,10,10,10).end_of_month
assert_equal Time.local(2005,2,28,0,0,0), Time.local(2005,2,20,10,10,10).end_of_month