require 'test/unit' require 'date' class DateSub < Date; end class DateTimeSub < DateTime; end class TestDate < Test::Unit::TestCase def test__const assert_nil(Date::MONTHNAMES[0]) assert_equal('January', Date::MONTHNAMES[1]) assert_equal(13, Date::MONTHNAMES.size) assert_equal('Sunday', Date::DAYNAMES[0]) assert_equal(7, Date::DAYNAMES.size) assert_nil(Date::ABBR_MONTHNAMES[0]) assert_equal('Jan', Date::ABBR_MONTHNAMES[1]) assert_equal(13, Date::ABBR_MONTHNAMES.size) assert_equal('Sun', Date::ABBR_DAYNAMES[0]) assert_equal(7, Date::ABBR_DAYNAMES.size) assert(Date::MONTHNAMES.frozen?) assert(Date::MONTHNAMES[1].frozen?) assert(Date::DAYNAMES.frozen?) assert(Date::DAYNAMES[0].frozen?) assert(Date::ABBR_MONTHNAMES.frozen?) assert(Date::ABBR_MONTHNAMES[1].frozen?) assert(Date::ABBR_DAYNAMES.frozen?) assert(Date::ABBR_DAYNAMES[0].frozen?) end def test_sub d = DateSub.new dt = DateTimeSub.new assert_instance_of(DateSub, d) assert_instance_of(DateTimeSub, dt) assert_instance_of(DateSub, DateSub.today) assert_instance_of(DateTimeSub, DateTimeSub.now) assert_equal('-4712-01-01', d.to_s) assert_equal('-4712-01-01T00:00:00+00:00', dt.to_s) d2 = d + 1 assert_instance_of(DateSub, d2) d2 = d - 1 assert_instance_of(DateSub, d2) d2 = d >> 1 assert_instance_of(DateSub, d2) d2 = d << 1 assert_instance_of(DateSub, d2) d2 = d.succ assert_instance_of(DateSub, d2) d2 = d.next assert_instance_of(DateSub, d2) d2 = d.italy assert_instance_of(DateSub, d2) d2 = d.england assert_instance_of(DateSub, d2) d2 = d.julian assert_instance_of(DateSub, d2) d2 = d.gregorian assert_instance_of(DateSub, d2) s = Marshal.dump(d) d2 = Marshal.load(s) assert_equal(d2, d) assert_instance_of(DateSub, d2) dt2 = dt + 1 assert_instance_of(DateTimeSub, dt2) dt2 = dt - 1 assert_instance_of(DateTimeSub, dt2) dt2 = dt >> 1 assert_instance_of(DateTimeSub, dt2) dt2 = dt << 1 assert_instance_of(DateTimeSub, dt2) dt2 = dt.succ assert_instance_of(DateTimeSub, dt2) dt2 = dt.next assert_instance_of(DateTimeSub, dt2) dt2 = dt.italy assert_instance_of(DateTimeSub, dt2) dt2 = dt.england assert_instance_of(DateTimeSub, dt2) dt2 = dt.julian assert_instance_of(DateTimeSub, dt2) dt2 = dt.gregorian assert_instance_of(DateTimeSub, dt2) s = Marshal.dump(dt) dt2 = Marshal.load(s) assert_equal(dt2, dt) assert_instance_of(DateTimeSub, dt2) end def test_eql_p d = Date.jd(0) d2 = Date.jd(0) dt = DateTime.jd(0) dt2 = DateTime.jd(0) assert_equal(d, d2) assert_not_equal(d, 0) assert_equal(dt, dt2) assert_not_equal(dt, 0) assert_equal(d, dt) assert_equal(d2, dt2) end def test_hash h = {} h[Date.new(1999,5,23)] = 0 h[Date.new(1999,5,24)] = 1 h[Date.new(1999,5,25)] = 2 h[Date.new(1999,5,25)] = 9 assert_equal(3, h.size) assert_equal(9, h[Date.new(1999,5,25)]) assert_equal(9, h[DateTime.new(1999,5,25)]) h = {} h[DateTime.new(1999,5,23)] = 0 h[DateTime.new(1999,5,24)] = 1 h[DateTime.new(1999,5,25)] = 2 h[DateTime.new(1999,5,25)] = 9 assert_equal(3, h.size) assert_equal(9, h[Date.new(1999,5,25)]) assert_equal(9, h[DateTime.new(1999,5,25)]) end def test_freeze d = Date.new d.freeze assert_equal(true, d.frozen?) assert_instance_of(Fixnum, d.yday) assert_instance_of(String, d.to_s) end def test_submillisecond_comparison d1 = DateTime.new(2013, 12, 6, 0, 0, Rational(1, 10000)) d2 = DateTime.new(2013, 12, 6, 0, 0, Rational(2, 10000)) # d1 is 0.0001s earlier than d2 assert_equal(-1, d1 <=> d2) assert_equal(0, d1 <=> d1) assert_equal(1, d2 <=> d1) end end