#Time programming:
d = gregorian.date(2002, date_time.Feb, 1) #an arbitrary date
t1 = posix_time.ptime(d,
posix_time.hours(5) + posix_time.millisec(100))
#date + time of day offset
print 't1: ', to_simple_string(t1)
t2 = t1 - posix_time.minutes(4) + posix_time.seconds(2)
print 't2: ', to_simple_string(t2)
now = posix_time.second_clock.local_time()
#use the clock
print 'now: ', to_simple_string(now)
today = now.date() #Get the date part out of the time
print 'today: ', to_simple_string(today)
tomorrow = today + gregorian.date_duration(1)
print 'tomorrow: ', to_simple_string(tomorrow)
#Local time programming:
#setup some timezones for creating and adjusting times
#first time zone uses the time zone file for regional timezone definitions
tz_db = local_time.time_zone_database()
tz_db.load_from_file(
os.path.join(date_time.__path__[0], "date_time_zonespec.csv"))
nyc_tz = tz_db.time_zone_from_region("America/New_York")
#This timezone uses a posix time zone string definition to create a time zone
phx_tz = local_time.posix_time_zone("MST-07:00:00")
#local departure time in phoenix is 11 pm on April 2 2005
#Note that New York changes to daylight savings on Apr 3 at 2 am)
phx_departure = local_time.local_date_time(
def test_time(self):
td_pi = posix_time.time_duration(date_time.pos_infin)
td_ni = posix_time.time_duration(date_time.neg_infin)
td_ndt = posix_time.time_duration(date_time.not_a_date_time)
dd_pi = gregorian.date_duration(date_time.pos_infin)
dd_ni = gregorian.date_duration(date_time.neg_infin)
dd_ndt = gregorian.date_duration(date_time.not_a_date_time)
d_pi = gregorian.date(date_time.pos_infin)
d_ni = gregorian.date(date_time.neg_infin)
d_ndt = gregorian.date(date_time.not_a_date_time)
td = posix_time.time_duration(1,2,3,4)
dd = gregorian.date_duration(1234);
d = gregorian.date(2003, date_time.Oct,31)
self.failUnless( posix_time.ptime() == posix_time.ptime(date_time.not_a_date_time) )
s = "+infinity"
p_sv1 = posix_time.ptime(date_time.pos_infin);
self.failUnless( to_simple_string(p_sv1) == s )
result = p_sv1 + dd
self.failUnless( to_iso_string(result) == s )
self.failUnless( result.is_special() )
result = p_sv1 - dd
self.failUnless( to_iso_string(result) == s)
result = p_sv1 - dd_ni
self.failUnless( to_iso_string(result) == s)
p_sv2 = posix_time.ptime(date_time.neg_infin)
s = "-infinity"
self.failUnless( to_iso_string(p_sv2) == s)
result = p_sv2 - td_pi
self.failUnless( to_iso_string(result) == s )
p_sv3 = posix_time.ptime(date_time.not_a_date_time)
self.failUnless( p_sv3.is_special() )
s = "not-a-date-time";
self.failUnless( to_iso_string(p_sv3) == s)
result = p_sv3 + td
self.failUnless( to_iso_string(result) == s)
result = p_sv3 - td
self.failUnless( to_iso_string(result) == s)
result = p_sv2 + td_pi
self.failUnless( to_iso_string(result) == s)
result = p_sv1 + dd_ni
self.failUnless( to_iso_string(result) == s)
result = p_sv1 + dd_ndt
self.failUnless( to_iso_string(result) == s)
p_sv1 = posix_time.ptime(d_pi, td)
s = "+infinity"
self.failUnless( to_simple_string(p_sv1) == s)
p_sv2 = posix_time.ptime(d_ni, td)
s = "-infinity";
self.failUnless( to_iso_string(p_sv2) == s)
p_sv3 = posix_time.ptime(d_ndt, td)
s = "not-a-date-time";
self.failUnless( to_iso_string(p_sv3) == s)
p_sv1 = posix_time.ptime(d_ndt, td)
s = "not-a-date-time"
self.failUnless( to_simple_string(p_sv1) == s)
p_sv2 = posix_time.ptime(d, td_ndt)
self.failUnless( to_iso_string(p_sv2) == s)
p_sv3 = posix_time.ptime(d_pi, td_ni)
self.failUnless( to_iso_string(p_sv3) == s)
p_sv1 = posix_time.ptime(d, td_pi)
pt = posix_time.ptime(d,td)
s = "+infinity"
self.failUnless( to_simple_string(p_sv1) == s)
self.failUnless( to_simple_string(p_sv1.date()) == s)
p_sv2 = posix_time.ptime(d, td_ni)
s = "-infinity"
self.failUnless( to_iso_string(p_sv2) == s)
self.failUnless( to_simple_string(p_sv2.time_of_day()) == s)
p_sv3 = posix_time.ptime(d, td_ndt)
s = "not-a-date-time"
self.failUnless( to_iso_string(p_sv3) == s)
self.failUnless( to_simple_string(p_sv3.date()) == s)
self.failUnless( to_simple_string(p_sv3.time_of_day()) == s)
self.failUnless( p_sv2 < p_sv1)
self.failUnless( p_sv2 < pt)
self.failUnless( pt < p_sv1)
self.failUnless( p_sv2 <= p_sv2)
self.failUnless( p_sv2 <= pt)
self.failUnless( p_sv1 >= pt)
self.failUnless( p_sv1 != p_sv2)
self.failUnless( p_sv3 != p_sv2)
self.failUnless( pt != p_sv1)
self.failUnless( p_sv1.is_infinity() and p_sv1.is_pos_infinity())
self.failUnless( p_sv2.is_infinity() and p_sv2.is_neg_infinity())
self.failUnless( not p_sv3.is_infinity() and p_sv3.is_not_a_date_time())
self.failUnless( p_sv1 + dd == p_sv1)
self.failUnless( pt - dd_pi == p_sv2)
self.failUnless( pt - dd_ndt == p_sv3)
self.failUnless( p_sv2 + td == p_sv2)
self.failUnless( pt - td_ni == p_sv1)
self.failUnless( pt + td_ndt == p_sv3)
self.failUnless( pt - p_sv1 == td_ni)
self.failUnless( pt - p_sv2 == td_pi)
self.failUnless( pt - p_sv3 == td_ndt)
self.failUnless( p_sv2 - p_sv2 == td_ndt)
d = gregorian.date(2001, date_time.Dec,1)
td = posix_time.time_duration(5,4,3)
t1 = posix_time.ptime(d, td)
self.failUnless( t1.date() == d)
self.failUnless( t1.time_of_day() == td)
self.failUnless( posix_time.ptime( gregorian.date(2005,10,30), posix_time.hours(25))
== posix_time.ptime(gregorian.date(2005,10,31), posix_time.hours(1)))
t2 = posix_time.ptime(d, td)
t3 = posix_time.ptime(d, td)
self.failUnless( t3.date() == d)
self.failUnless( t3.time_of_day() == td)
self.failUnless( t1 == t3)
d2 = gregorian.date(2001,date_time.Jan,1)
t4 = posix_time.ptime(d2, td)
self.failUnless( not (t1 == t4))
td1 = posix_time.time_duration(5,4,0)
t5 = posix_time.ptime(d, td1)
self.failUnless( not (t1 == t5))
self.failUnless( t1 != t5);
self.failUnless( not (t1 < t1) )
self.failUnless( t4 < t1)
self.failUnless( t5 < t1)
self.failUnless( t1 <= t1)
self.failUnless( t1 >= t1)
twodays = gregorian.date_duration(2)
t6 = t1 + twodays
d3 = gregorian.date(2001,date_time.Dec,3)
self.failUnless( t6 == posix_time.ptime(d3,td) )
t7 = t1 - twodays
self.failUnless( t7 == posix_time.ptime(gregorian.date(2001,date_time.Nov,29),td) )
t6b = posix_time.ptime( gregorian.date(2003, date_time.Oct,31)
, posix_time.time_duration(10,0,0,0))
t6b += gregorian.date_duration(55)
self.failUnless( t6b == posix_time.ptime(gregorian.date(2003,date_time.Dec,25)
, posix_time.time_duration(10,0,0,0)))
t6b += posix_time.hours(6)
self.failUnless( t6b == posix_time.ptime(gregorian.date(2003,date_time.Dec,25)
, posix_time.time_duration(16,0,0,0)))
t6b -= gregorian.date_duration(55)
self.failUnless( t6b == posix_time.ptime(gregorian.date(2003,date_time.Oct,31)
, posix_time.time_duration(16,0,0,0)))
t6b -= posix_time.hours(6)
self.failUnless( t6b == posix_time.ptime(gregorian.date(2003,date_time.Oct,31)
, posix_time.time_duration(10,0,0,0)));
t6b += posix_time.hours(25);
self.failUnless( t6b ==
posix_time.ptime(gregorian.date(2003,date_time.Nov,1), posix_time.time_duration(11,0,0,0)));
t6b -= posix_time.hours(49);
self.failUnless( t6b == posix_time.ptime(gregorian.date(2003,date_time.Oct,30)
, posix_time.time_duration(10,0,0,0)));
td2 = posix_time.time_duration(1,2,3)
t8 = posix_time.ptime(gregorian.date(2001,date_time.Dec,1))
t9 = t8 + td2
t10 = posix_time.ptime(gregorian.date(2001,date_time.Dec,1)
,posix_time.time_duration(1,2,3))
self.failUnless( t9 == t10)
t9 = posix_time.ptime(gregorian.date(2001,date_time.Dec,1)
, posix_time.time_duration(12,0,0));
td3 = posix_time.time_duration(-4,0,0)
self.failUnless( t9 + td3
== posix_time.ptime(gregorian.date(2001,date_time.Dec,1)
, posix_time.time_duration(8,0,0)) )
td3 = posix_time.time_duration(24,0,0)
self.failUnless( t8+td3 == posix_time.ptime(gregorian.date(2001,date_time.Dec,2) ) )
td4 = posix_time.time_duration(24,0,1)
self.failUnless( t8+td4 == posix_time.ptime(gregorian.date(2001,date_time.Dec,2)
, posix_time.time_duration(0,0,1)));
td5 = posix_time.time_duration(168,0,1)
self.failUnless( t8+td5 == posix_time.ptime(gregorian.date(2001,date_time.Dec,8)
, posix_time.time_duration(0,0,1)))
t11 = posix_time.ptime(gregorian.date(2001,date_time.Dec,1)
, posix_time.time_duration(12,0,0))
td6 = posix_time.time_duration(12,0,1)
t12 = t11-td6
self.failUnless( t12 == posix_time.ptime(gregorian.date(2001,date_time.Nov,30)
, posix_time.time_duration(23,59,59)))
self.failUnless( t11-posix_time.time_duration(13,0,0)
== posix_time.ptime(gregorian.date(2001,date_time.Nov,30)
, posix_time.time_duration(23,0,0)))
self.failUnless( t11-posix_time.time_duration(-13,0,0)
== posix_time.ptime(gregorian.date(2001,date_time.Dec,2)
, posix_time.time_duration(1,0,0)))
t13 = posix_time.ptime(d, posix_time.hours(3))
t14 = posix_time.ptime(d, posix_time.hours(4))
t14a = posix_time.ptime(d+gregorian.date_duration(1), posix_time.hours(4))
self.failUnless( t14-t13 == posix_time.hours(1))
self.failUnless( t13 - t14 == posix_time.hours(-1))
self.failUnless( t14a-t14 == posix_time.hours(24))
t15 = posix_time.ptime(d, posix_time.time_duration(0,0,0,1))
t16 = posix_time.ptime(d, posix_time.time_duration(0,0,0,2))
self.failUnless( t15 + posix_time.time_duration.unit() == t16)
self.failUnless( t16 - posix_time.time_duration.unit() == t15)
self.failUnless( posix_time.ptime(date_time.min_date_time)
== posix_time.ptime(gregorian.date(1400,1,1)
, posix_time.time_duration(0,0,0,0)) )
self.failUnless( posix_time.ptime(date_time.max_date_time)
== posix_time.ptime(gregorian.date(9999,12,31)
, posix_time.hours(24)- posix_time.time_duration.unit()))
# Time programming:
d = gregorian.date(2002, date_time.Feb, 1) # an arbitrary date
t1 = posix_time.ptime(d, posix_time.hours(5) + posix_time.millisec(100))
# date + time of day offset
print "t1: ", to_simple_string(t1)
t2 = t1 - posix_time.minutes(4) + posix_time.seconds(2)
print "t2: ", to_simple_string(t2)
now = posix_time.second_clock.local_time()
# use the clock
print "now: ", to_simple_string(now)
today = now.date() # Get the date part out of the time
print "today: ", to_simple_string(today)
tomorrow = today + gregorian.date_duration(1)
print "tomorrow: ", to_simple_string(tomorrow)
# Local time programming:
# setup some timezones for creating and adjusting times
# first time zone uses the time zone file for regional timezone definitions
tz_db = local_time.time_zone_database()
tz_db.load_from_file(os.path.join(date_time.__path__[0], "date_time_zonespec.csv"))
nyc_tz = tz_db.time_zone_from_region("America/New_York")
# This timezone uses a posix time zone string definition to create a time zone
phx_tz = local_time.posix_time_zone("MST-07:00:00")
# local departure time in phoenix is 11 pm on April 2 2005
# Note that New York changes to daylight savings on Apr 3 at 2 am)
phx_departure = local_time.local_date_time(
gregorian.date(2005, date_time.Apr, 2),
def test_date(self):
self.failUnless(
gregorian.date() == gregorian.date(date_time.not_a_date_time))
d1 = gregorian.date(1900, 1, 1)
d2 = gregorian.date(2000, 1, 1)
d3 = gregorian.date(1900, 1, 1)
d4 = gregorian.date(2000, 12, 31)
d4a = gregorian.date(2000, date_time.Dec, 31)
self.failUnless(d4 == d4a)
self.failUnless(d1.day().as_number() == 1)
self.failUnless(d1.month().as_number() == 1)
self.failUnless(d1.year().as_number() == 1900)
self.failUnless(d4a.month().as_number() == 12)
self.failUnless(d1 < d2)
self.failUnless(not (d1 < d1))
self.failUnless(d1 <= d1)
self.failUnless(d2 > d1)
self.failUnless(not (d1 > d1))
self.failUnless(d1 >= d1)
self.failUnless(d2 != d1)
self.failUnless(d1 == d3)
ymd = d1.year_month_day()
self.failUnless(ymd.year.as_number() == 1900)
self.failUnless(ymd.month.as_number() == 1)
self.failUnless(ymd.day.as_number() == 1)
answers = [
gregorian.date(1900, date_time.Jan, 1),
gregorian.date(1900, date_time.Jan, 4),
gregorian.date(1900, date_time.Jan, 7),
gregorian.date(1900, date_time.Jan, 10),
gregorian.date(1900, date_time.Jan, 13)
]
off = gregorian.date_duration(3)
d5 = gregorian.date(1900, 1, 1)
for i in range(5):
self.failUnless(d5 == answers[i])
d5 = d5 + off
answers1 = [
gregorian.date(2000, 2, 26),
gregorian.date(2000, 2, 28),
gregorian.date(2000, date_time.Mar, 1)
]
d8 = gregorian.date(2000, date_time.Feb, 26)
for i in range(3):
self.failUnless(d8 == answers1[i])
d8 += gregorian.days(2)
d6 = gregorian.date(2000, 2, 28)
d7 = gregorian.date(2000, 3, 1)
twoDays = gregorian.date_duration(2)
negtwoDays = gregorian.date_duration(-2)
zeroDays = gregorian.date_duration(0)
self.failUnless(twoDays == d7 - d6)
self.failUnless(negtwoDays == d6 - d7)
self.failUnless(zeroDays == d6 - d6)
self.failUnless(d6 + twoDays == d7)
self.failUnless(d7 - twoDays == d6)
self.failUnless(
gregorian.date(1999, 1, 1) +
gregorian.date_duration(365) == gregorian.date(2000, 1, 1))
self.failUnless(
gregorian.date(1999, 1, 1) +
zeroDays == gregorian.date(1999, 1, 1))
d = gregorian.date(2003, date_time.Oct, 31)
dd = gregorian.date_duration(55)
d += dd
self.failUnless(d == gregorian.date(2003, date_time.Dec, 25))
d -= dd
self.failUnless(d == gregorian.date(2003, date_time.Oct, 31))
d = gregorian.date(2003, date_time.Oct, 31)
dd1 = gregorian.date_duration(date_time.pos_infin)
dd2 = gregorian.date_duration(date_time.neg_infin)
dd3 = gregorian.date_duration(date_time.not_a_date_time)
self.failUnless(d + dd1 == gregorian.date(date_time.pos_infin))
self.failUnless(d + dd2 == gregorian.date(date_time.neg_infin))
self.failUnless(d + dd3 == gregorian.date(date_time.not_a_date_time))
self.failUnless(d - dd1 == gregorian.date(date_time.neg_infin))
self.failUnless(d - dd2 == gregorian.date(date_time.pos_infin))
self.failUnless(d - dd3 == gregorian.date(date_time.not_a_date_time))
self.failUnless(
gregorian.date(date_time.pos_infin) +
dd1 == gregorian.date(date_time.pos_infin))
self.failUnless(
gregorian.date(date_time.pos_infin) -
dd1 == gregorian.date(date_time.not_a_date_time))
self.failUnless(
gregorian.date(date_time.neg_infin) +
dd1 == gregorian.date(date_time.not_a_date_time))
self.failUnless(
gregorian.date(date_time.neg_infin) -
dd1 == gregorian.date(date_time.neg_infin))
self.failUnlessRaises(Exception, lambda: gregorian.date(2000, 1, 32))
self.failUnlessRaises(Exception, lambda: gregorian.date(2000, 1, 0))
self.failUnlessRaises(Exception, lambda: gregorian.date(2000, 2, 31))
d15 = gregorian.date(1400, 1, 1)
self.failUnless(d15.julian_day() == 2232400)
self.failUnless(d15.modjulian_day() == -167601)
d16 = gregorian.date(2004, 2, 29)
self.failUnless(d16.julian_day() == 2453065)
self.failUnless(d16.modjulian_day() == 53064)
d31 = gregorian.date(2000, date_time.Jun, 1)
self.failUnless(d31.week_number() == 22)
d38 = gregorian.date(2001, 1, 1)
self.failUnless(d38.day_of_year().as_number() == 1)
def test_period(self):
d1 = gregorian.date(2000, date_time.Jan, 1)
d2 = gregorian.date(2000, date_time.Jan, 4)
p1 = gregorian.date_period(d1, d2)
p2 = gregorian.date_period(d1, gregorian.date_duration(3))
self.failUnless(p1 == p2)
self.failUnless(p1.begin() == d1)
self.failUnless(p1.last() == d2 - gregorian.date_duration(1))
self.failUnless(p1.end() == d2)
self.failUnless(p2.length() == gregorian.date_duration(3))
self.failUnless(p1.contains(d1))
self.failUnless(not p1.contains(d2))
p3 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 4),
gregorian.date(2000, date_time.Feb, 1))
self.failUnless(not (p1 == p3))
self.failUnless(p1 < p3)
self.failUnless(p3 > p1)
self.failUnless(p3 != p1)
self.failUnless(p1.intersects(p1))
self.failUnless(not p1.intersects(p3))
self.failUnless(not p3.intersects(p1))
p4 = gregorian.date_period(gregorian.date(1999, date_time.Dec, 1), d2)
self.failUnless(p1.intersects(p4))
self.failUnless(p4.intersects(p1))
p5 = gregorian.date_period(gregorian.date(1999, date_time.Dec, 1),
gregorian.date(2000, date_time.Dec, 31))
self.failUnless(p1.intersects(p5))
self.failUnless(p5.intersects(p1))
p6 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 1),
gregorian.date(2000, date_time.Dec, 31))
self.failUnless(p5.contains(p6))
self.failUnless(p6.contains(p6))
self.failUnless(not p6.contains(p5))
fourDays = gregorian.date_duration(4)
p1.shift(fourDays)
shifted = gregorian.date_period(gregorian.date(2000, date_time.Jan, 5),
gregorian.date(2000, date_time.Jan, 8))
self.failUnless(p1 == shifted)
i1 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 5),
gregorian.date(2000, date_time.Jan, 10))
i2 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 1),
gregorian.date(2000, date_time.Jan, 7))
r1 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 5),
gregorian.date(2000, date_time.Jan, 7))
self.failUnless(i1.intersection(i2) == r1)
self.failUnless(i2.intersection(i1) == r1)
i3 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 1),
gregorian.date(2000, date_time.Jan, 15))
self.failUnless(i1.intersection(i3) == i1)
self.failUnless(i3.intersection(i1) == i1)
i4 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 7),
gregorian.date(2000, date_time.Jan, 10))
i5 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 6),
gregorian.date(2000, date_time.Jan, 9))
self.failUnless(i1.intersection(i5) == i5)
self.failUnless(i5.intersection(i1) == i5)
self.failUnless(i2.intersection(i4).is_null())
r3 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 1),
gregorian.date(2000, date_time.Jan, 10))
self.failUnless(i1.merge(i2) == r3)
self.failUnless(i2.merge(i4).is_null())
r4 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 5),
gregorian.date(2000, date_time.Jan, 10))
self.failUnless(i1.merge(i5) == r4)
self.failUnless(i1.span(i2) == r3)
self.failUnless(i2.span(i4) == r3)
self.failUnless(i4.span(i2) == r3)
self.failUnless(i3.span(i2) == i3)
i6 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 1),
gregorian.date(2000, date_time.Jan, 2))
self.failUnless(i6.span(i4) == r3)
self.failUnless(i4.span(i6) == r3)
bf_start = gregorian.date(2000, date_time.Jan, 5)
bf_end = gregorian.date(2000, date_time.Jan, 10)
bf_before = gregorian.date(2000, date_time.Jan, 4)
bf_after = gregorian.date(2000, date_time.Jan, 11)
bf_during = gregorian.date(2000, date_time.Jan, 7)
bfp1 = gregorian.date_period(bf_start, bf_end)
self.failUnless(not bfp1.is_before(bf_start))
self.failUnless(bfp1.is_before(bf_end))
self.failUnless(not bfp1.is_before(bfp1.last()))
self.failUnless(not bfp1.is_before(bf_before))
self.failUnless(not bfp1.is_before(bf_during))
self.failUnless(bfp1.is_before(bf_after))
self.failUnless(not bfp1.is_after(bf_start))
self.failUnless(not bfp1.is_after(bf_end))
self.failUnless(not bfp1.is_after(bfp1.last()))
self.failUnless(bfp1.is_after(bf_before))
self.failUnless(not bfp1.is_after(bf_during))
self.failUnless(not bfp1.is_after(bf_after))
adj1 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 5),
gregorian.date(2000, date_time.Jan, 10))
adj2 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 1),
gregorian.date(2000, date_time.Jan, 5))
adj3 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 7),
gregorian.date(2000, date_time.Jan, 12))
adj4 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 12),
gregorian.date(2000, date_time.Jan, 15))
adj5 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 1),
gregorian.date(2000, date_time.Jan, 3))
adj6 = gregorian.date_period(gregorian.date(2000, date_time.Jan, 7),
gregorian.date(2000, date_time.Jan, 9))
self.failUnless(adj1.is_adjacent(adj2))
self.failUnless(adj2.is_adjacent(adj1))
self.failUnless(not adj1.is_adjacent(adj3))
self.failUnless(not adj3.is_adjacent(adj1))
self.failUnless(not adj1.is_adjacent(adj4))
self.failUnless(not adj4.is_adjacent(adj1))
self.failUnless(not adj1.is_adjacent(adj5))
self.failUnless(not adj5.is_adjacent(adj1))
self.failUnless(not adj1.is_adjacent(adj6))
self.failUnless(not adj6.is_adjacent(adj1))
def test_date_duration(self):
threeDays = gregorian.date_duration(3)
twoDays = gregorian.date_duration(2)
self.failUnless(threeDays == threeDays)
self.failUnless(threeDays == gregorian.date_duration(3))
self.failUnless(threeDays != twoDays)
self.failUnless(twoDays < threeDays)
self.failUnless(not (threeDays < twoDays))
self.failUnless(not (threeDays < threeDays))
self.failUnless(not (threeDays > threeDays))
self.failUnless(threeDays >= threeDays)
self.failUnless(not (twoDays >= threeDays))
self.failUnless(twoDays + threeDays == gregorian.date_duration(5))
fiveDays = gregorian.date_duration(3)
fiveDays += twoDays
self.failUnless(fiveDays == gregorian.date_duration(5))
derivedOneDay = threeDays - twoDays
self.failUnless(twoDays - threeDays == gregorian.date_duration(-1))
oneDay = gregorian.date_duration(1)
self.failUnless(oneDay == derivedOneDay)
fiveDaysDerived = gregorian.date_duration(10)
fiveDaysDerived -= fiveDays
self.failUnless(fiveDaysDerived == fiveDays)
oneDay = twoDays / 2
self.failUnless(oneDay.days() == 1)
hundred = gregorian.date_duration(100)
hundred /= -10
self.failUnless(hundred.days() == -10 and hundred.is_negative())
self.failUnless(
gregorian.date_duration(
-gregorian.date_duration(123).days()).days() == -123)
pos_dur = gregorian.date_duration(123)
neg_dur = -pos_dur
self.failUnless(neg_dur.days() == -123)
pi_dur = gregorian.date_duration(date_time.pos_infin)
ni_dur = gregorian.date_duration(date_time.neg_infin)
nd_dur = gregorian.date_duration(date_time.not_a_date_time)
self.failUnless(pi_dur + ni_dur == nd_dur)
self.failUnless(ni_dur / 3 == ni_dur)
self.failUnless(pi_dur + hundred == pi_dur)
self.failUnless(-pi_dur == ni_dur)
def test_time(self):
td_pi = posix_time.time_duration(date_time.pos_infin)
td_ni = posix_time.time_duration(date_time.neg_infin)
td_ndt = posix_time.time_duration(date_time.not_a_date_time)
dd_pi = gregorian.date_duration(date_time.pos_infin)
dd_ni = gregorian.date_duration(date_time.neg_infin)
dd_ndt = gregorian.date_duration(date_time.not_a_date_time)
d_pi = gregorian.date(date_time.pos_infin)
d_ni = gregorian.date(date_time.neg_infin)
d_ndt = gregorian.date(date_time.not_a_date_time)
td = posix_time.time_duration(1, 2, 3, 4)
dd = gregorian.date_duration(1234)
d = gregorian.date(2003, date_time.Oct, 31)
self.failUnless(
posix_time.ptime() == posix_time.ptime(date_time.not_a_date_time))
s = "+infinity"
p_sv1 = posix_time.ptime(date_time.pos_infin)
self.failUnless(to_simple_string(p_sv1) == s)
result = p_sv1 + dd
self.failUnless(to_iso_string(result) == s)
self.failUnless(result.is_special())
result = p_sv1 - dd
self.failUnless(to_iso_string(result) == s)
result = p_sv1 - dd_ni
self.failUnless(to_iso_string(result) == s)
p_sv2 = posix_time.ptime(date_time.neg_infin)
s = "-infinity"
self.failUnless(to_iso_string(p_sv2) == s)
result = p_sv2 - td_pi
self.failUnless(to_iso_string(result) == s)
p_sv3 = posix_time.ptime(date_time.not_a_date_time)
self.failUnless(p_sv3.is_special())
s = "not-a-date-time"
self.failUnless(to_iso_string(p_sv3) == s)
result = p_sv3 + td
self.failUnless(to_iso_string(result) == s)
result = p_sv3 - td
self.failUnless(to_iso_string(result) == s)
result = p_sv2 + td_pi
self.failUnless(to_iso_string(result) == s)
result = p_sv1 + dd_ni
self.failUnless(to_iso_string(result) == s)
result = p_sv1 + dd_ndt
self.failUnless(to_iso_string(result) == s)
p_sv1 = posix_time.ptime(d_pi, td)
s = "+infinity"
self.failUnless(to_simple_string(p_sv1) == s)
p_sv2 = posix_time.ptime(d_ni, td)
s = "-infinity"
self.failUnless(to_iso_string(p_sv2) == s)
p_sv3 = posix_time.ptime(d_ndt, td)
s = "not-a-date-time"
self.failUnless(to_iso_string(p_sv3) == s)
p_sv1 = posix_time.ptime(d_ndt, td)
s = "not-a-date-time"
self.failUnless(to_simple_string(p_sv1) == s)
p_sv2 = posix_time.ptime(d, td_ndt)
self.failUnless(to_iso_string(p_sv2) == s)
p_sv3 = posix_time.ptime(d_pi, td_ni)
self.failUnless(to_iso_string(p_sv3) == s)
p_sv1 = posix_time.ptime(d, td_pi)
pt = posix_time.ptime(d, td)
s = "+infinity"
self.failUnless(to_simple_string(p_sv1) == s)
self.failUnless(to_simple_string(p_sv1.date()) == s)
p_sv2 = posix_time.ptime(d, td_ni)
s = "-infinity"
self.failUnless(to_iso_string(p_sv2) == s)
self.failUnless(to_simple_string(p_sv2.time_of_day()) == s)
p_sv3 = posix_time.ptime(d, td_ndt)
s = "not-a-date-time"
self.failUnless(to_iso_string(p_sv3) == s)
self.failUnless(to_simple_string(p_sv3.date()) == s)
self.failUnless(to_simple_string(p_sv3.time_of_day()) == s)
self.failUnless(p_sv2 < p_sv1)
self.failUnless(p_sv2 < pt)
self.failUnless(pt < p_sv1)
self.failUnless(p_sv2 <= p_sv2)
self.failUnless(p_sv2 <= pt)
self.failUnless(p_sv1 >= pt)
self.failUnless(p_sv1 != p_sv2)
self.failUnless(p_sv3 != p_sv2)
self.failUnless(pt != p_sv1)
self.failUnless(p_sv1.is_infinity() and p_sv1.is_pos_infinity())
self.failUnless(p_sv2.is_infinity() and p_sv2.is_neg_infinity())
self.failUnless(not p_sv3.is_infinity() and p_sv3.is_not_a_date_time())
self.failUnless(p_sv1 + dd == p_sv1)
self.failUnless(pt - dd_pi == p_sv2)
self.failUnless(pt - dd_ndt == p_sv3)
self.failUnless(p_sv2 + td == p_sv2)
self.failUnless(pt - td_ni == p_sv1)
self.failUnless(pt + td_ndt == p_sv3)
self.failUnless(pt - p_sv1 == td_ni)
self.failUnless(pt - p_sv2 == td_pi)
self.failUnless(pt - p_sv3 == td_ndt)
self.failUnless(p_sv2 - p_sv2 == td_ndt)
d = gregorian.date(2001, date_time.Dec, 1)
td = posix_time.time_duration(5, 4, 3)
t1 = posix_time.ptime(d, td)
self.failUnless(t1.date() == d)
self.failUnless(t1.time_of_day() == td)
self.failUnless(
posix_time.ptime(gregorian.date(2005, 10, 30), posix_time.hours(
25)) == posix_time.ptime(gregorian.date(2005, 10, 31),
posix_time.hours(1)))
t2 = posix_time.ptime(d, td)
t3 = posix_time.ptime(d, td)
self.failUnless(t3.date() == d)
self.failUnless(t3.time_of_day() == td)
self.failUnless(t1 == t3)
d2 = gregorian.date(2001, date_time.Jan, 1)
t4 = posix_time.ptime(d2, td)
self.failUnless(not (t1 == t4))
td1 = posix_time.time_duration(5, 4, 0)
t5 = posix_time.ptime(d, td1)
self.failUnless(not (t1 == t5))
self.failUnless(t1 != t5)
self.failUnless(not (t1 < t1))
self.failUnless(t4 < t1)
self.failUnless(t5 < t1)
self.failUnless(t1 <= t1)
self.failUnless(t1 >= t1)
twodays = gregorian.date_duration(2)
t6 = t1 + twodays
d3 = gregorian.date(2001, date_time.Dec, 3)
self.failUnless(t6 == posix_time.ptime(d3, td))
t7 = t1 - twodays
self.failUnless(t7 == posix_time.ptime(
gregorian.date(2001, date_time.Nov, 29), td))
t6b = posix_time.ptime(gregorian.date(2003, date_time.Oct, 31),
posix_time.time_duration(10, 0, 0, 0))
t6b += gregorian.date_duration(55)
self.failUnless(
t6b == posix_time.ptime(gregorian.date(2003, date_time.Dec, 25),
posix_time.time_duration(10, 0, 0, 0)))
t6b += posix_time.hours(6)
self.failUnless(
t6b == posix_time.ptime(gregorian.date(2003, date_time.Dec, 25),
posix_time.time_duration(16, 0, 0, 0)))
t6b -= gregorian.date_duration(55)
self.failUnless(
t6b == posix_time.ptime(gregorian.date(2003, date_time.Oct, 31),
posix_time.time_duration(16, 0, 0, 0)))
t6b -= posix_time.hours(6)
self.failUnless(
t6b == posix_time.ptime(gregorian.date(2003, date_time.Oct, 31),
posix_time.time_duration(10, 0, 0, 0)))
t6b += posix_time.hours(25)
self.failUnless(
t6b == posix_time.ptime(gregorian.date(2003, date_time.Nov, 1),
posix_time.time_duration(11, 0, 0, 0)))
t6b -= posix_time.hours(49)
self.failUnless(
t6b == posix_time.ptime(gregorian.date(2003, date_time.Oct, 30),
posix_time.time_duration(10, 0, 0, 0)))
td2 = posix_time.time_duration(1, 2, 3)
t8 = posix_time.ptime(gregorian.date(2001, date_time.Dec, 1))
t9 = t8 + td2
t10 = posix_time.ptime(gregorian.date(2001, date_time.Dec, 1),
posix_time.time_duration(1, 2, 3))
self.failUnless(t9 == t10)
t9 = posix_time.ptime(gregorian.date(2001, date_time.Dec, 1),
posix_time.time_duration(12, 0, 0))
td3 = posix_time.time_duration(-4, 0, 0)
self.failUnless(
t9 +
td3 == posix_time.ptime(gregorian.date(2001, date_time.Dec, 1),
posix_time.time_duration(8, 0, 0)))
td3 = posix_time.time_duration(24, 0, 0)
self.failUnless(
t8 +
td3 == posix_time.ptime(gregorian.date(2001, date_time.Dec, 2)))
td4 = posix_time.time_duration(24, 0, 1)
self.failUnless(
t8 +
td4 == posix_time.ptime(gregorian.date(2001, date_time.Dec, 2),
posix_time.time_duration(0, 0, 1)))
td5 = posix_time.time_duration(168, 0, 1)
self.failUnless(
t8 +
td5 == posix_time.ptime(gregorian.date(2001, date_time.Dec, 8),
posix_time.time_duration(0, 0, 1)))
t11 = posix_time.ptime(gregorian.date(2001, date_time.Dec, 1),
posix_time.time_duration(12, 0, 0))
td6 = posix_time.time_duration(12, 0, 1)
t12 = t11 - td6
self.failUnless(
t12 == posix_time.ptime(gregorian.date(2001, date_time.Nov, 30),
posix_time.time_duration(23, 59, 59)))
self.failUnless(t11 -
posix_time.time_duration(13, 0, 0) == posix_time.ptime(
gregorian.date(2001, date_time.Nov, 30),
posix_time.time_duration(23, 0, 0)))
self.failUnless(
t11 - posix_time.time_duration(-13, 0, 0) == posix_time.ptime(
gregorian.date(2001, date_time.Dec, 2),
posix_time.time_duration(1, 0, 0)))
t13 = posix_time.ptime(d, posix_time.hours(3))
t14 = posix_time.ptime(d, posix_time.hours(4))
t14a = posix_time.ptime(d + gregorian.date_duration(1),
posix_time.hours(4))
self.failUnless(t14 - t13 == posix_time.hours(1))
self.failUnless(t13 - t14 == posix_time.hours(-1))
self.failUnless(t14a - t14 == posix_time.hours(24))
t15 = posix_time.ptime(d, posix_time.time_duration(0, 0, 0, 1))
t16 = posix_time.ptime(d, posix_time.time_duration(0, 0, 0, 2))
self.failUnless(t15 + posix_time.time_duration.unit() == t16)
self.failUnless(t16 - posix_time.time_duration.unit() == t15)
self.failUnless(
posix_time.ptime(date_time.min_date_time) == posix_time.ptime(
gregorian.date(1400, 1, 1), posix_time.time_duration(
0, 0, 0, 0)))
self.failUnless(
posix_time.ptime(date_time.max_date_time) == posix_time.ptime(
gregorian.date(9999, 12, 31),
posix_time.hours(24) - posix_time.time_duration.unit()))
def test_period(self):
d1 = gregorian.date(2000,date_time.Jan,1)
d2 = gregorian.date(2000,date_time.Jan,4)
p1 = gregorian.date_period(d1,d2)
p2 = gregorian.date_period(d1,gregorian.date_duration(3) )
self.failUnless( p1 == p2)
self.failUnless( p1.begin() == d1)
self.failUnless( p1.last() == d2-gregorian.date_duration(1) )
self.failUnless( p1.end() == d2)
self.failUnless( p2.length() == gregorian.date_duration(3) )
self.failUnless( p1.contains(d1) )
self.failUnless( not p1.contains(d2) )
p3 = gregorian.date_period( gregorian.date(2000,date_time.Jan,4)
, gregorian.date(2000,date_time.Feb,1) )
self.failUnless( not (p1 == p3) )
self.failUnless( p1 < p3)
self.failUnless( p3 > p1)
self.failUnless( p3 != p1)
self.failUnless( p1.intersects(p1) )
self.failUnless( not p1.intersects(p3) )
self.failUnless( not p3.intersects(p1) )
p4 = gregorian.date_period(gregorian.date(1999,date_time.Dec,1), d2)
self.failUnless( p1.intersects(p4) )
self.failUnless( p4.intersects(p1) )
p5 = gregorian.date_period(gregorian.date(1999,date_time.Dec,1)
, gregorian.date(2000,date_time.Dec,31) )
self.failUnless( p1.intersects(p5) )
self.failUnless( p5.intersects(p1) )
p6 = gregorian.date_period(gregorian.date(2000,date_time.Jan,1)
,gregorian.date(2000,date_time.Dec,31) )
self.failUnless( p5.contains(p6) )
self.failUnless( p6.contains(p6) )
self.failUnless( not p6.contains(p5) )
fourDays = gregorian.date_duration(4)
p1.shift(fourDays)
shifted = gregorian.date_period(gregorian.date(2000,date_time.Jan,5)
, gregorian.date(2000,date_time.Jan,8) )
self.failUnless( p1 == shifted)
i1 = gregorian.date_period(gregorian.date(2000,date_time.Jan,5)
, gregorian.date(2000,date_time.Jan,10) )
i2 = gregorian.date_period(gregorian.date(2000,date_time.Jan,1)
, gregorian.date(2000,date_time.Jan,7) )
r1 = gregorian.date_period(gregorian.date(2000,date_time.Jan,5)
, gregorian.date(2000,date_time.Jan,7) )
self.failUnless( i1.intersection(i2) == r1)
self.failUnless( i2.intersection(i1) == r1)
i3 = gregorian.date_period(gregorian.date(2000,date_time.Jan,1)
, gregorian.date(2000,date_time.Jan,15) )
self.failUnless( i1.intersection(i3) == i1)
self.failUnless( i3.intersection(i1) == i1)
i4 = gregorian.date_period(gregorian.date(2000,date_time.Jan,7), gregorian.date(2000,date_time.Jan,10) )
i5 = gregorian.date_period(gregorian.date(2000,date_time.Jan,6)
, gregorian.date(2000,date_time.Jan,9) )
self.failUnless( i1.intersection(i5) == i5)
self.failUnless( i5.intersection(i1) == i5)
self.failUnless( i2.intersection(i4).is_null() )
r3 = gregorian.date_period(gregorian.date(2000,date_time.Jan,1), gregorian.date(2000,date_time.Jan,10) )
self.failUnless( i1.merge(i2) == r3)
self.failUnless( i2.merge(i4).is_null() )
r4 = gregorian.date_period(gregorian.date(2000,date_time.Jan,5), gregorian.date(2000,date_time.Jan,10) )
self.failUnless( i1.merge(i5) == r4)
self.failUnless( i1.span(i2) == r3)
self.failUnless( i2.span(i4) == r3)
self.failUnless( i4.span(i2) == r3)
self.failUnless( i3.span(i2) == i3)
i6 = gregorian.date_period(gregorian.date(2000,date_time.Jan,1), gregorian.date(2000,date_time.Jan,2) )
self.failUnless( i6.span(i4) == r3)
self.failUnless( i4.span(i6) == r3)
bf_start = gregorian.date(2000,date_time.Jan,5)
bf_end = gregorian.date(2000,date_time.Jan,10)
bf_before = gregorian.date(2000,date_time.Jan,4)
bf_after = gregorian.date(2000,date_time.Jan,11)
bf_during = gregorian.date(2000, date_time.Jan, 7)
bfp1 = gregorian.date_period(bf_start, bf_end)
self.failUnless( not bfp1.is_before(bf_start) )
self.failUnless( bfp1.is_before(bf_end) )
self.failUnless( not bfp1.is_before(bfp1.last() ))
self.failUnless( not bfp1.is_before(bf_before) )
self.failUnless( not bfp1.is_before(bf_during) )
self.failUnless( bfp1.is_before(bf_after) )
self.failUnless( not bfp1.is_after(bf_start) )
self.failUnless( not bfp1.is_after(bf_end) )
self.failUnless( not bfp1.is_after(bfp1.last() ))
self.failUnless( bfp1.is_after(bf_before) )
self.failUnless( not bfp1.is_after(bf_during) )
self.failUnless( not bfp1.is_after(bf_after) )
adj1 = gregorian.date_period( gregorian.date(2000,date_time.Jan,5)
, gregorian.date(2000,date_time.Jan,10) )
adj2 = gregorian.date_period (gregorian.date(2000,date_time.Jan,1), gregorian.date(2000,date_time.Jan,5) )
adj3 = gregorian.date_period(gregorian.date(2000,date_time.Jan,7), gregorian.date(2000,date_time.Jan,12) )
adj4 = gregorian.date_period(gregorian.date(2000,date_time.Jan,12), gregorian.date(2000,date_time.Jan,15) )
adj5 = gregorian.date_period(gregorian.date(2000,date_time.Jan,1), gregorian.date(2000,date_time.Jan,3) )
adj6 = gregorian.date_period(gregorian.date(2000,date_time.Jan,7), gregorian.date(2000,date_time.Jan,9) )
self.failUnless( adj1.is_adjacent(adj2) )
self.failUnless( adj2.is_adjacent(adj1) )
self.failUnless( not adj1.is_adjacent(adj3) )
self.failUnless( not adj3.is_adjacent(adj1) )
self.failUnless( not adj1.is_adjacent(adj4) )
self.failUnless( not adj4.is_adjacent(adj1) )
self.failUnless( not adj1.is_adjacent(adj5) )
self.failUnless( not adj5.is_adjacent(adj1) )
self.failUnless( not adj1.is_adjacent(adj6) )
self.failUnless( not adj6.is_adjacent(adj1) )
def test_date(self):
self.failUnless( gregorian.date() == gregorian.date( date_time.not_a_date_time ) )
d1 = gregorian.date( 1900, 1, 1 )
d2 = gregorian.date( 2000, 1, 1 )
d3 = gregorian.date( 1900, 1, 1 )
d4 = gregorian.date( 2000, 12, 31 )
d4a = gregorian.date( 2000, date_time.Dec, 31 )
self.failUnless( d4 == d4a )
self.failUnless( d1.day().as_number() == 1 )
self.failUnless( d1.month().as_number() == 1 )
self.failUnless( d1.year().as_number() == 1900 )
self.failUnless( d4a.month().as_number() == 12 )
self.failUnless( d1 < d2 )
self.failUnless( not ( d1 < d1 ) )
self.failUnless( d1 <= d1 )
self.failUnless( d2 > d1 )
self.failUnless( not ( d1 > d1 ) )
self.failUnless( d1 >= d1 )
self.failUnless( d2 != d1 )
self.failUnless( d1 == d3 )
ymd = d1.year_month_day()
self.failUnless( ymd.year.as_number() == 1900 )
self.failUnless( ymd.month.as_number() == 1 )
self.failUnless( ymd.day.as_number() == 1 )
answers = [ gregorian.date( 1900, date_time.Jan, 1 )
, gregorian.date( 1900, date_time.Jan, 4 )
, gregorian.date( 1900, date_time.Jan, 7 )
, gregorian.date( 1900, date_time.Jan, 10 )
, gregorian.date( 1900, date_time.Jan, 13 )
]
off = gregorian.date_duration( 3 )
d5 = gregorian.date( 1900, 1, 1 )
for i in range(5):
self.failUnless( d5 == answers[i] )
d5 = d5 + off
answers1 = [ gregorian.date(2000, 2 ,26)
, gregorian.date(2000, 2 ,28)
, gregorian.date(2000, date_time.Mar ,1 )]
d8 = gregorian.date(2000, date_time.Feb, 26)
for i in range(3):
self.failUnless( d8 == answers1[i] )
d8 += gregorian.days(2)
d6 = gregorian.date(2000,2,28)
d7 = gregorian.date(2000,3,1)
twoDays = gregorian.date_duration(2)
negtwoDays = gregorian.date_duration(-2)
zeroDays = gregorian.date_duration(0)
self.failUnless( twoDays == d7 - d6 )
self.failUnless( negtwoDays == d6 - d7 )
self.failUnless( zeroDays == d6 - d6 )
self.failUnless( d6 + twoDays == d7 )
self.failUnless( d7 - twoDays == d6 )
self.failUnless( gregorian.date(1999,1,1) + gregorian.date_duration(365)
== gregorian.date(2000,1,1) )
self.failUnless( gregorian.date(1999,1,1) + zeroDays == gregorian.date(1999,1,1) )
d = gregorian.date(2003, date_time.Oct, 31)
dd = gregorian.date_duration(55)
d += dd
self.failUnless( d == gregorian.date(2003, date_time.Dec,25) )
d -= dd;
self.failUnless( d == gregorian.date(2003, date_time.Oct,31) )
d = gregorian.date(2003,date_time.Oct, 31)
dd1 = gregorian.date_duration( date_time.pos_infin)
dd2 = gregorian.date_duration( date_time.neg_infin)
dd3 = gregorian.date_duration( date_time.not_a_date_time)
self.failUnless( d + dd1 == gregorian.date(date_time.pos_infin))
self.failUnless( d + dd2 == gregorian.date(date_time.neg_infin))
self.failUnless( d + dd3 == gregorian.date(date_time.not_a_date_time))
self.failUnless( d - dd1 == gregorian.date(date_time.neg_infin))
self.failUnless( d - dd2 == gregorian.date(date_time.pos_infin))
self.failUnless( d - dd3 == gregorian.date(date_time.not_a_date_time))
self.failUnless( gregorian.date(date_time.pos_infin) + dd1
== gregorian.date(date_time.pos_infin))
self.failUnless( gregorian.date(date_time.pos_infin) - dd1
== gregorian.date(date_time.not_a_date_time))
self.failUnless( gregorian.date(date_time.neg_infin) + dd1
== gregorian.date(date_time.not_a_date_time))
self.failUnless( gregorian.date(date_time.neg_infin) - dd1
== gregorian.date(date_time.neg_infin))
self.failUnlessRaises( Exception, lambda: gregorian.date( 2000, 1, 32 ) )
self.failUnlessRaises( Exception, lambda: gregorian.date( 2000, 1, 0 ) )
self.failUnlessRaises( Exception, lambda: gregorian.date( 2000, 2, 31 ) )
d15 = gregorian.date(1400,1,1)
self.failUnless( d15.julian_day() == 2232400)
self.failUnless( d15.modjulian_day() == -167601)
d16 = gregorian.date(2004,2,29)
self.failUnless( d16.julian_day() == 2453065)
self.failUnless( d16.modjulian_day() == 53064)
d31 = gregorian.date(2000, date_time.Jun, 1)
self.failUnless( d31.week_number() == 22)
d38 = gregorian.date(2001, 1, 1)
self.failUnless( d38.day_of_year().as_number() == 1)
def test_date_duration(self):
threeDays = gregorian.date_duration(3)
twoDays = gregorian.date_duration(2)
self.failUnless( threeDays == threeDays )
self.failUnless( threeDays == gregorian.date_duration(3) )
self.failUnless( threeDays != twoDays )
self.failUnless( twoDays < threeDays )
self.failUnless( not ( threeDays < twoDays ) )
self.failUnless( not ( threeDays < threeDays ) )
self.failUnless( not ( threeDays > threeDays ) )
self.failUnless( threeDays >= threeDays )
self.failUnless( not ( twoDays >= threeDays ) )
self.failUnless( twoDays + threeDays == gregorian.date_duration(5) )
fiveDays = gregorian.date_duration(3)
fiveDays += twoDays
self.failUnless( fiveDays == gregorian.date_duration(5) )
derivedOneDay = threeDays - twoDays
self.failUnless( twoDays - threeDays == gregorian.date_duration(-1) )
oneDay = gregorian.date_duration(1)
self.failUnless( oneDay == derivedOneDay )
fiveDaysDerived = gregorian.date_duration( 10 )
fiveDaysDerived -= fiveDays
self.failUnless( fiveDaysDerived == fiveDays)
oneDay = twoDays / 2
self.failUnless( oneDay.days() == 1 )
hundred = gregorian.date_duration(100)
hundred /= -10
self.failUnless( hundred.days() == -10 and hundred.is_negative())
self.failUnless( gregorian.date_duration( -gregorian.date_duration( 123 ).days() ).days() == -123 )
pos_dur = gregorian.date_duration(123)
neg_dur = -pos_dur
self.failUnless( neg_dur.days() == -123)
pi_dur = gregorian.date_duration(date_time.pos_infin)
ni_dur = gregorian.date_duration(date_time.neg_infin)
nd_dur = gregorian.date_duration(date_time.not_a_date_time)
self.failUnless( pi_dur + ni_dur == nd_dur)
self.failUnless( ni_dur / 3 == ni_dur)
self.failUnless( pi_dur + hundred == pi_dur)
self.failUnless( -pi_dur == ni_dur)