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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
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