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456523e2ed
* ext/date/date_core.c (time_to_time): should preserve timezone info. [ruby-core:74889] [Bug #12271] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54553 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
153 lines
4.6 KiB
Ruby
153 lines
4.6 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require 'date'
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class TestDateConv < Test::Unit::TestCase
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def with_tz(tz)
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old = ENV["TZ"]
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begin
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ENV["TZ"] = tz
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yield
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ensure
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ENV["TZ"] = old
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end
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end
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def test_to_class
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[Time.now, Date.today, DateTime.now].each do |o|
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assert_instance_of(Time, o.to_time)
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assert_instance_of(Date, o.to_date)
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assert_instance_of(DateTime, o.to_datetime)
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end
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end
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def test_to_time__from_time
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t = Time.mktime(2004, 9, 19, 1, 2, 3, 456789)
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t2 = t.to_time
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assert_equal([2004, 9, 19, 1, 2, 3, 456789],
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[t2.year, t2.mon, t2.mday, t2.hour, t2.min, t2.sec, t2.usec])
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t = Time.utc(2004, 9, 19, 1, 2, 3, 456789)
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t2 = t.to_time.utc
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assert_equal([2004, 9, 19, 1, 2, 3, 456789],
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[t2.year, t2.mon, t2.mday, t2.hour, t2.min, t2.sec, t2.usec])
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t = Time.new(2004, 9, 19, 1, 2, 3, '+03:00')
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with_tz('Asia/Tokyo') do
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t2 = t.to_time
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assert_equal([2004, 9, 19, 1, 2, 3],
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[t2.year, t2.mon, t2.mday, t2.hour, t2.min, t2.sec])
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assert_equal(3 * 60 * 60, t2.gmt_offset)
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end
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end
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def test_to_time__from_date
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d = Date.new(2004, 9, 19)
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t = d.to_time
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assert_equal([2004, 9, 19, 0, 0, 0, 0],
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[t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.usec])
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end
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def test_to_time__from_datetime
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 8.to_r/24) + 456789.to_r/86400000000
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t = d.to_time
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assert_equal([2004, 9, 19, 1, 2, 3, 456789, 8*60*60],
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[t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.usec, t.utc_offset])
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789.to_r/86400000000
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t = d.to_time.utc
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assert_equal([2004, 9, 19, 1, 2, 3, 456789],
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[t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.usec])
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if Time.allocate.respond_to?(:nsec)
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123.to_r/86400000000000
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t = d.to_time.utc
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assert_equal([2004, 9, 19, 1, 2, 3, 456789123],
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[t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.nsec])
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end
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if Time.allocate.respond_to?(:subsec)
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123456789123.to_r/86400000000000000000000
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t = d.to_time.utc
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assert_equal([2004, 9, 19, 1, 2, 3, Rational(456789123456789123,1000000000000000000)],
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[t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.subsec])
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end
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end
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def test_to_date__from_time
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t = Time.mktime(2004, 9, 19, 1, 2, 3, 456789)
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d = t.to_date
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assert_equal([2004, 9, 19, 0], [d.year, d.mon, d.mday, d.day_fraction])
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t = Time.utc(2004, 9, 19, 1, 2, 3, 456789)
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d = t.to_date
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assert_equal([2004, 9, 19, 0], [d.year, d.mon, d.mday, d.day_fraction])
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end
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def test_to_date__from_date
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d = Date.new(2004, 9, 19) + 1.to_r/2
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d2 = d.to_date
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assert_equal([2004, 9, 19, 1.to_r/2],
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[d2.year, d2.mon, d2.mday, d2.day_fraction])
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end
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def test_to_date__from_datetime
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 9.to_r/24) + 456789.to_r/86400000000
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d2 = d.to_date
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assert_equal([2004, 9, 19, 0], [d2.year, d2.mon, d2.mday, d2.day_fraction])
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789.to_r/86400000000
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d2 = d.to_date
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assert_equal([2004, 9, 19, 0], [d2.year, d2.mon, d2.mday, d2.day_fraction])
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end
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def test_to_datetime__from_time
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t = Time.mktime(2004, 9, 19, 1, 2, 3, 456789)
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d = t.to_datetime
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assert_equal([2004, 9, 19, 1, 2, 3,
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456789.to_r/1000000,
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t.utc_offset.to_r/86400],
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[d.year, d.mon, d.mday, d.hour, d.min, d.sec,
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d.sec_fraction, d.offset])
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t = Time.utc(2004, 9, 19, 1, 2, 3, 456789)
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d = t.to_datetime
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assert_equal([2004, 9, 19, 1, 2, 3,
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456789.to_r/1000000,
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0],
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[d.year, d.mon, d.mday, d.hour, d.min, d.sec,
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d.sec_fraction, d.offset])
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t = Time.now
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d = t.to_datetime
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require 'time'
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assert_equal(t.iso8601(10), d.iso8601(10))
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end
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def test_to_datetime__from_date
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d = Date.new(2004, 9, 19) + 1.to_r/2
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d2 = d.to_datetime
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assert_equal([2004, 9, 19, 0, 0, 0, 0, 0],
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[d2.year, d2.mon, d2.mday, d2.hour, d2.min, d2.sec,
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d2.sec_fraction, d2.offset])
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end
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def test_to_datetime__from_datetime
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 9.to_r/24) + 456789.to_r/86400000000
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d2 = d.to_datetime
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assert_equal([2004, 9, 19, 1, 2, 3,
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456789.to_r/1000000,
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9.to_r/24],
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[d2.year, d2.mon, d2.mday, d2.hour, d2.min, d2.sec,
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d2.sec_fraction, d2.offset])
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d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789.to_r/86400000000
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d2 = d.to_datetime
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assert_equal([2004, 9, 19, 1, 2, 3,
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456789.to_r/1000000,
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0],
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[d2.year, d2.mon, d2.mday, d2.hour, d2.min, d2.sec,
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d2.sec_fraction, d2.offset])
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end
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end
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