require 'test/unit'
require 'date'
begin
require 'calendar'
include Calendar
rescue LoadError
end
class TestDateBase < Test::Unit::TestCase
def setup
if defined?(Calendar)
@from ||= julian_day_number_from_absolute(absolute_from_julian(1, 1, 1601))
@to ||= julian_day_number_from_absolute(absolute_from_julian(12, 31, 2400))
@from4t ||= julian_day_number_from_absolute(absolute_from_julian(1, 1, 1970))
@to4t ||= julian_day_number_from_absolute(absolute_from_julian(12, 31, 2037))
end
end
def test__inf
assert_equal(0, Date::Infinity.new(-1) <=> Date::Infinity.new(-1))
assert_equal(-1, Date::Infinity.new(-1) <=> Date::Infinity.new(+1))
assert_equal(-1, Date::Infinity.new(-1) <=> 0)
assert_equal(1, Date::Infinity.new(+1) <=> Date::Infinity.new(-1))
assert_equal(0, Date::Infinity.new(+1) <=> Date::Infinity.new(+1))
assert_equal(1, Date::Infinity.new(+1) <=> 0)
assert_equal(1, 0 <=> Date::Infinity.new(-1))
assert_equal(-1, 0 <=> Date::Infinity.new(+1))
assert_equal(0, 0 <=> 0)
assert_equal(0, Date::ITALY <=> Date::ITALY)
assert_equal(-1, Date::ITALY <=> Date::ENGLAND)
assert_equal(-1, Date::ITALY <=> Date::JULIAN)
assert_equal(1, Date::ITALY <=> Date::GREGORIAN)
assert_equal(1, Date::ENGLAND <=> Date::ITALY)
assert_equal(0, Date::ENGLAND <=> Date::ENGLAND)
assert_equal(-1, Date::ENGLAND <=> Date::JULIAN)
assert_equal(1, Date::ENGLAND <=> Date::GREGORIAN)
assert_equal(1, Date::JULIAN <=> Date::ITALY)
assert_equal(1, Date::JULIAN <=> Date::ENGLAND)
assert_equal(0, Date::JULIAN <=> Date::JULIAN)
assert_equal(1, Date::JULIAN <=> Date::GREGORIAN)
assert_equal(-1, Date::GREGORIAN <=> Date::ITALY)
assert_equal(-1, Date::GREGORIAN <=> Date::ENGLAND)
assert_equal(-1, Date::GREGORIAN <=> Date::JULIAN)
assert_equal(0, Date::GREGORIAN <=> Date::GREGORIAN)
end
def test_ordinal__julian
skip unless defined?(Calendar)
for j in @from..@to
m, d, y = julian_from_absolute(absolute_from_julian_day_number(j))
j0 = julian_day_number_from_absolute(absolute_from_julian(12, 31, y - 1))
j2 = julian_day_number_from_absolute(absolute_from_julian(m, d, y))
assert_equal(j, j2)
oy, od = Date.__send__(:jd_to_ordinal, j, Date::JULIAN)
assert_equal(y, oy)
assert_equal(j2 - j0, od)
oj = Date.__send__(:ordinal_to_jd, oy, od, Date::JULIAN)
assert_equal(j, oj)
end
end
def test_ordinal__gregorian
skip unless defined?(Calendar)
for j in @from..@to
m, d, y = gregorian_from_absolute(absolute_from_julian_day_number(j))
j0 =
julian_day_number_from_absolute(absolute_from_gregorian(12, 31, y - 1))
j2 = julian_day_number_from_absolute(absolute_from_gregorian(m, d, y))
assert_equal(j, j2)
oy, od = Date.__send__(:jd_to_ordinal, j, Date::GREGORIAN)
assert_equal(y, oy)
assert_equal(j2 - j0, od)
oj = Date.__send__(:ordinal_to_jd, oy, od, Date::GREGORIAN)
assert_equal(j, oj)
end
end
def test_civil__julian
skip unless defined?(Calendar)
for j in @from..@to
m, d, y = julian_from_absolute(absolute_from_julian_day_number(j))
j2 = julian_day_number_from_absolute(absolute_from_julian(m, d, y))
assert_equal(j2, j)
cy, cm, cd = Date.__send__(:jd_to_civil, j, Date::JULIAN)
assert_equal(y, cy)
assert_equal(m, cm)
assert_equal(d, cd)
cj = Date.__send__(:civil_to_jd, cy, cm, cd, Date::JULIAN)
assert_equal(j, cj)
end
end
def test_civil__gregorian
skip unless defined?(Calendar)
for j in @from..@to
m, d, y = gregorian_from_absolute(absolute_from_julian_day_number(j))
j2 = julian_day_number_from_absolute(absolute_from_gregorian(m, d, y))
assert_equal(j2, j)
cy, cm, cd = Date.__send__(:jd_to_civil, j, Date::GREGORIAN)
assert_equal(y, cy)
assert_equal(m, cm)
assert_equal(d, cd)
cj = Date.__send__(:civil_to_jd, cy, cm, cd, Date::GREGORIAN)
assert_equal(j, cj)
end
end
def test_commercial__gregorian
skip unless defined?(Calendar)
for j in @from..@to
w, d, y = iso_from_absolute(absolute_from_julian_day_number(j))
j2 = julian_day_number_from_absolute(absolute_from_iso(w, d, y))
assert_equal(j2, j)
cy, cw, cd = Date.__send__(:jd_to_commercial, j, Date::GREGORIAN)
assert_equal(y, cy)
assert_equal(w, cw)
assert_equal(d, cd)
cj = Date.__send__(:commercial_to_jd, cy, cw, cd, Date::GREGORIAN)
assert_equal(j, cj)
end
end
def test_weeknum
skip unless defined?(Calendar)
for j in @from..@to
for k in 0..1
wy, ww, wd = Date.__send__(:jd_to_weeknum, j, k, Date::GREGORIAN)
wj = Date.__send__(:weeknum_to_jd, wy, ww, wd, k, Date::GREGORIAN)
assert_equal(j, wj)
end
end
end
def test_weeknum__2
skip unless defined?(Calendar)
for j in @from4t..@to4t
d = Date.jd(j)
t = Time.mktime(d.year, d.mon, d.mday)
[
'%Y %U %w',
'%Y %U %u',
'%Y %W %w',
'%Y %W %u'
].each do |fmt|
s = t.strftime(fmt)
d2 = Date.strptime(s, fmt)
assert_equal(j, d2.jd)
end
end
end
def test_nth_kday
skip unless defined?(Calendar)
skip unless (Date.respond_to?(:nth_kday_to_jd, true) &&
Date.respond_to?(:jd_to_nth_kday, true))
for y in 1601..2401
for m in 1..12
for n in -5..5
next if n == 0
for k in 0..6
j = julian_day_number_from_absolute(Nth_Kday(n, k, m, y))
j2 = Date.__send__(:nth_kday_to_jd, y, m, n, k, Date::GREGORIAN)
assert_equal(j, j2)
d1 = Date.__send__(:jd_to_nth_kday, j2, Date::GREGORIAN)
j3 = Date.__send__(:nth_kday_to_jd, *d1)
assert_equal(j, j3)
end
end
end
end
end
def test_jd
assert_equal(1 << 33, Date.jd(1 << 33).jd)
end
def test_mjd
skip unless Date.respond_to?(:mjd_to_jd, true)
jd = Date.__send__(:mjd_to_jd, 51321)
mjd = Date.__send__(:jd_to_mjd, jd)
assert_equal(51321, mjd)
end
def test_ld
skip unless Date.respond_to?(:ld_to_jd, true)
jd = Date.__send__(:ld_to_jd, 152162)
ld = Date.__send__(:jd_to_ld, jd)
assert_equal(152162, ld)
end
def test_wday
skip unless Date.respond_to?(:jd_to_wday, true)
assert_equal(4, Date.__send__(:jd_to_wday, 3))
assert_equal(3, Date.__send__(:jd_to_wday, 2))
assert_equal(2, Date.__send__(:jd_to_wday, 1))
assert_equal(1, Date.__send__(:jd_to_wday, 0))
assert_equal(0, Date.__send__(:jd_to_wday, -1))
assert_equal(6, Date.__send__(:jd_to_wday, -2))
assert_equal(5, Date.__send__(:jd_to_wday, -3))
end
def test_leap?
assert_equal(true, Date.julian_leap?(1900))
assert_equal(false, Date.julian_leap?(1999))
assert_equal(true, Date.julian_leap?(2000))
assert_equal(false, Date.gregorian_leap?(1900))
assert_equal(false, Date.gregorian_leap?(1999))
assert_equal(true, Date.gregorian_leap?(2000))
assert_equal(Date.leap?(1990), Date.gregorian_leap?(1900))
assert_equal(Date.leap?(1999), Date.gregorian_leap?(1999))
assert_equal(Date.leap?(2000), Date.gregorian_leap?(2000))
end
def test_valid_jd
valid_jd_p = :_valid_jd?
skip unless Date.respond_to?(valid_jd_p, true)
assert_equal(-1, Date.__send__(valid_jd_p, -1))
assert_equal(0, Date.__send__(valid_jd_p, 0))
assert_equal(1, Date.__send__(valid_jd_p, 1))
assert_equal(2452348, Date.__send__(valid_jd_p, 2452348))
end
def test_valid_ordinal
valid_ordinal_p = :_valid_ordinal?
skip unless Date.respond_to?(valid_ordinal_p, true)
assert_nil(Date.__send__(valid_ordinal_p, 1999,366))
assert_equal(2451910, Date.__send__(valid_ordinal_p, 2000,366))
assert_nil(Date.__send__(valid_ordinal_p, 1999,-366))
assert_equal(2451545, Date.__send__(valid_ordinal_p, 2000,-366))
assert_equal(2452275, Date.__send__(valid_ordinal_p, 2001,365))
assert_nil(Date.__send__(valid_ordinal_p, 2001,366))
assert_equal(Date.__send__(valid_ordinal_p, 2001,1),
Date.__send__(valid_ordinal_p, 2001,-365))
assert_nil(Date.__send__(valid_ordinal_p, 2001,-366))
assert_equal(2452348, Date.__send__(valid_ordinal_p, 2002,73))
end
def test_valid_ordinal__edge
valid_ordinal_p = :_valid_ordinal?
skip unless Date.respond_to?(valid_ordinal_p, true)
(1601..2400).each do |y|
d = if Date.leap?(y) then 366 else 365 end
assert_not_nil(Date.__send__(valid_ordinal_p, y,d))
assert_nil(Date.__send__(valid_ordinal_p, y,d + 1))
assert_not_nil(Date.__send__(valid_ordinal_p, y,-d))
assert_nil(Date.__send__(valid_ordinal_p, y,-(d + 1)))
end
end
def test_valid_ordinal__italy
valid_ordinal_p = :_valid_ordinal?
skip unless Date.respond_to?(valid_ordinal_p, true)
(1..355).each do |d|
assert_not_nil(Date.__send__(valid_ordinal_p, 1582,d,Date::ITALY))
end
(356..365).each do |d|
assert_nil(Date.__send__(valid_ordinal_p, 1582,d,Date::ITALY))
end
end
def test_valid_ordinal__england
valid_ordinal_p = :_valid_ordinal?
skip unless Date.respond_to?(valid_ordinal_p, true)
(1..355).each do |d|
assert_not_nil(Date.__send__(valid_ordinal_p, 1752,d,Date::ENGLAND))
end
(356..366).each do |d|
assert_nil(Date.__send__(valid_ordinal_p, 1752,d,Date::ENGLAND))
end
end
def test_valid_civil
valid_civil_p = :_valid_civil?
skip unless Date.respond_to?(valid_civil_p, true)
assert_nil(Date.__send__(valid_civil_p, 1999,2,29))
assert_equal(2451604, Date.__send__(valid_civil_p, 2000,2,29))
assert_nil(Date.__send__(valid_civil_p, 1999,2,-29))
assert_equal(2451576, Date.__send__(valid_civil_p, 2000,2,-29))
assert_equal(2451941, Date.__send__(valid_civil_p, 2001,1,31))
assert_nil(Date.__send__(valid_civil_p, 2001,1,32))
assert_equal(Date.__send__(valid_civil_p, 2001,1,1),
Date.__send__(valid_civil_p, 2001,1,-31))
assert_nil(Date.__send__(valid_civil_p, 2001,1,-32))
assert_equal(2452348, Date.__send__(valid_civil_p, 2002,3,14))
assert_nil(Date.__send__(valid_civil_p, 2010,-13,-1))
end
def test_valid_civil__edge
valid_civil_p = :_valid_civil?
skip unless Date.respond_to?(valid_civil_p, true)
(1601..2400).each do |y|
d = if Date.leap?(y) then 29 else 28 end
assert_not_nil(Date.__send__(valid_civil_p, y,2,d))
assert_nil(Date.__send__(valid_civil_p, y,2,d + 1))
assert_not_nil(Date.__send__(valid_civil_p, y,2,-d))
assert_nil(Date.__send__(valid_civil_p, y,2,-(d + 1)))
end
end
def test_valid_civil__italy
valid_civil_p = :_valid_civil?
skip unless Date.respond_to?(valid_civil_p, true)
(1..4).each do |d|
assert_not_nil(Date.__send__(valid_civil_p, 1582,10,d,Date::ITALY))
end
(5..14).each do |d|
assert_nil(Date.__send__(valid_civil_p, 1582,10,d,Date::ITALY))
end
(15..31).each do |d|
assert_not_nil(Date.__send__(valid_civil_p, 1582,10,d,Date::ITALY))
end
(32..100).each do |d|
assert_nil(Date.__send__(valid_civil_p, 1582,10,d,Date::ITALY))
end
(-31..-22).each do |d|
assert_nil(Date.__send__(valid_civil_p, 1582,10,d,Date::ITALY))
end
(-21..-1).each do |d|
assert_not_nil(Date.__send__(valid_civil_p, 1582,10,d,Date::ITALY))
end
end
def test_valid_civil__england
valid_civil_p = :_valid_civil?
skip unless Date.respond_to?(valid_civil_p, true)
(1..2).each do |d|
assert_not_nil(Date.__send__(valid_civil_p, 1752,9,d,Date::ENGLAND))
end
(3..13).each do |d|
assert_nil(Date.__send__(valid_civil_p, 1752,9,d,Date::ENGLAND))
end
(14..30).each do |d|
assert_not_nil(Date.__send__(valid_civil_p, 1752,9,d,Date::ENGLAND))
end
(31..100).each do |d|
assert_nil(Date.__send__(valid_civil_p, 1752,9,d,Date::ENGLAND))
end
(-31..-20).each do |d|
assert_nil(Date.__send__(valid_civil_p, 1752,9,d,Date::ENGLAND))
end
(-19..-1).each do |d|
assert_not_nil(Date.__send__(valid_civil_p, 1752,9,d,Date::ENGLAND))
end
end
def test_valid_commercial
valid_commercial_p = :_valid_commercial?
skip unless Date.respond_to?(valid_commercial_p, true)
assert_nil(Date.__send__(valid_commercial_p, 1999,53,1))
assert_equal(2453367, Date.__send__(valid_commercial_p, 2004,53,1))
assert_nil(Date.__send__(valid_commercial_p, 1999,-53,-1))
assert_equal(2453009, Date.__send__(valid_commercial_p, 2004,-53,-1))
assert_equal(2452348, Date.__send__(valid_commercial_p, 2002,11,4))
end
def test_valid_weeknum
valid_weeknum_p = :_valid_weeknum?
skip unless Date.respond_to?(valid_weeknum_p, true)
assert_nil(Date.__send__(valid_weeknum_p, 1999,53,0, 0))
assert_equal(2454101, Date.__send__(valid_weeknum_p, 2006,53,0, 0))
assert_nil(Date.__send__(valid_weeknum_p, 1999,-53,-1, 0))
assert_equal(2453743, Date.__send__(valid_weeknum_p, 2006,-53,-1, 0))
assert_equal(2452355, Date.__send__(valid_weeknum_p, 2002,11,4, 0))
assert_nil(Date.__send__(valid_weeknum_p, 1999,53,0, 1))
assert_equal(2454101, Date.__send__(valid_weeknum_p, 2006,52,6, 1))
assert_nil(Date.__send__(valid_weeknum_p, 1999,-53,-1, 1))
assert_equal(2453743, Date.__send__(valid_weeknum_p, 2006,-52,-2, 1))
assert_equal(2452355, Date.__send__(valid_weeknum_p, 2002,11,3, 1))
end
def test_valid_nth_kday
valid_nth_kday_p = :_valid_nth_kday?
skip unless Date.respond_to?(valid_nth_kday_p, true)
assert_nil(Date.__send__(valid_nth_kday_p, 1992,2, 5,0))
assert_equal(2448682, Date.__send__(valid_nth_kday_p, 1992,2, 5,6))
assert_equal(2448682, Date.__send__(valid_nth_kday_p, 1992,2, 5,-1))
assert_equal(2448682, Date.__send__(valid_nth_kday_p, 1992,2, -1,6))
assert_equal(2448682, Date.__send__(valid_nth_kday_p, 1992,2, -1,-1))
end
def test_valid_time
valid_time_p = :_valid_time?
skip unless Date.respond_to?(valid_time_p, true)
assert_equal(Rational(0), DateTime.__send__(valid_time_p, 0,0,0))
assert_nil(DateTime.__send__(valid_time_p, 25,59,59))
assert_nil(DateTime.__send__(valid_time_p, 23,60,59))
assert_nil(DateTime.__send__(valid_time_p, 23,59,60))
assert_equal(Rational(86399, 86400),
DateTime.__send__(valid_time_p, 23,59,59))
assert_equal(Rational(86399, 86400),
DateTime.__send__(valid_time_p, -1,-1,-1))
assert_equal(Rational(1), DateTime.__send__(valid_time_p, 24,0,0))
assert_nil(DateTime.__send__(valid_time_p, 24,0,1))
assert_nil(DateTime.__send__(valid_time_p, 24,1,0))
assert_nil(DateTime.__send__(valid_time_p, 24,1,1))
end
end