require File.dirname(__FILE__) + '/../abstract_unit'
class DateExtCalculationsTest < Test::Unit::TestCase
def test_to_s
assert_equal "21 Feb", Date.new(2005, 2, 21).to_s(:short)
assert_equal "February 21, 2005", Date.new(2005, 2, 21).to_s(:long)
assert_equal "February 21st, 2005", Date.new(2005, 2, 21).to_s(:long_ordinal)
assert_equal "2005-02-21", Date.new(2005, 2, 21).to_s(:db)
assert_equal "21 Feb 2005", Date.new(2005, 2, 21).to_s(:rfc822)
end
def test_to_time
assert_equal Time.local(2005, 2, 21), Date.new(2005, 2, 21).to_time
assert_equal Time.local_time(2039, 2, 21), Date.new(2039, 2, 21).to_time
end
def test_to_datetime
assert_equal DateTime.civil(2005, 2, 21), Date.new(2005, 2, 21).to_datetime
end
def test_to_date
assert_equal Date.new(2005, 2, 21), Date.new(2005, 2, 21).to_date
end
def test_change
assert_equal Date.new(2005, 2, 21), Date.new(2005, 2, 11).change(:day => 21)
assert_equal Date.new(2007, 5, 11), Date.new(2005, 2, 11).change(:year => 2007, :month => 5)
end
end