##
# Time ISO Test

assert('Time.new', '15.2.3.3.3') do
  Time.new.class == Time
end

assert('Time', '15.2.19') do
  Time.class == Class
end

assert('Time.at', '15.2.19.6.1') do
  assert_kind_of(Time, Time.at(1300000000.0))

  assert_raise(FloatDomainError) { Time.at(Float::NAN) }
  assert_raise(FloatDomainError) { Time.at(Float::INFINITY) }
  assert_raise(FloatDomainError) { Time.at(-Float::INFINITY) }
  assert_raise(FloatDomainError) { Time.at(0, Float::NAN) }
  assert_raise(FloatDomainError) { Time.at(0, Float::INFINITY) }
  assert_raise(FloatDomainError) { Time.at(0, -Float::INFINITY) }
end

assert('Time.gm', '15.2.19.6.2') do
  Time.gm(2012, 12, 23)
end

assert('Time.local', '15.2.19.6.3') do
  Time.local(2012, 12, 23)
end

assert('Time.mktime', '15.2.19.6.4') do
  Time.mktime(2012, 12, 23)
end

assert('Time.now', '15.2.19.6.5') do
  Time.now.class == Time
end

assert('Time.utc', '15.2.19.6.6') do
  Time.utc(2012, 12, 23)
end

assert('Time#+', '15.2.19.7.1') do
  t1 = Time.at(1300000000.0)
  t2 = t1.+(60)

  assert_equal(t2.utc.asctime, "Sun Mar 13 07:07:40 UTC 2011")

  assert_raise(FloatDomainError) { Time.at(0) + Float::NAN }
  assert_raise(FloatDomainError) { Time.at(0) + Float::INFINITY }
  assert_raise(FloatDomainError) { Time.at(0) + -Float::INFINITY }
end

assert('Time#-', '15.2.19.7.2') do
  t1 = Time.at(1300000000.0)
  t2 = t1.-(60)

  assert_equal(t2.utc.asctime, "Sun Mar 13 07:05:40 UTC 2011")

  assert_raise(FloatDomainError) { Time.at(0) - Float::NAN }
  assert_raise(FloatDomainError) { Time.at(0) - Float::INFINITY }
  assert_raise(FloatDomainError) { Time.at(0) - -Float::INFINITY }
end

assert('Time#<=>', '15.2.19.7.3') do
  t1 = Time.at(1300000000.0)
  t2 = Time.at(1400000000.0)
  t3 = Time.at(1500000000.0)

  t2.<=>(t1) == 1 and
    t2.<=>(t2) == 0 and
    t2.<=>(t3) == -1 and
    t2.<=>(nil) == nil
end

assert('Time#asctime', '15.2.19.7.4') do
  Time.at(1300000000.0).utc.asctime == "Sun Mar 13 07:06:40 UTC 2011"
end

assert('Time#ctime', '15.2.19.7.5') do
  Time.at(1300000000.0).utc.ctime == "Sun Mar 13 07:06:40 UTC 2011"
end

assert('Time#day', '15.2.19.7.6') do
  Time.gm(2012, 12, 23).day == 23
end

assert('Time#dst?', '15.2.19.7.7') do
  not Time.gm(2012, 12, 23).utc.dst?
end

assert('Time#getgm', '15.2.19.7.8') do
  Time.at(1300000000.0).getgm.asctime == "Sun Mar 13 07:06:40 UTC 2011"
end

assert('Time#getlocal', '15.2.19.7.9') do
  t1 = Time.at(1300000000.0)
  t2 = Time.at(1300000000.0)
  t3 = t1.getlocal

  t1 == t3 and t3 == t2.getlocal
end

assert('Time#getutc', '15.2.19.7.10') do
  Time.at(1300000000.0).getutc.asctime == "Sun Mar 13 07:06:40 UTC 2011"
end

assert('Time#gmt?', '15.2.19.7.11') do
  Time.at(1300000000.0).utc.gmt?
end

# ATM not implemented
# assert('Time#gmt_offset', '15.2.19.7.12') do

assert('Time#gmtime', '15.2.19.7.13') do
  Time.at(1300000000.0).gmtime
end

# ATM not implemented
# assert('Time#gmtoff', '15.2.19.7.14') do

assert('Time#hour', '15.2.19.7.15') do
  Time.gm(2012, 12, 23, 7, 6).hour == 7
end

# ATM doesn't really work
# assert('Time#initialize', '15.2.19.7.16') do

assert('Time#initialize_copy', '15.2.19.7.17') do
  time_tmp_2 = Time.at(7.0e6)
  time_tmp_2.clone == time_tmp_2
end

assert('Time#localtime', '15.2.19.7.18') do
  t1 = Time.at(1300000000.0)
  t2 = Time.at(1300000000.0)

  t1.localtime
  t1 == t2.getlocal
end

assert('Time#mday', '15.2.19.7.19') do
  Time.gm(2012, 12, 23).mday == 23
end

assert('Time#min', '15.2.19.7.20') do
  Time.gm(2012, 12, 23, 7, 6).min == 6
end

assert('Time#mon', '15.2.19.7.21') do
  Time.gm(2012, 12, 23).mon == 12
end

assert('Time#month', '15.2.19.7.22') do
  Time.gm(2012, 12, 23).month == 12
end

assert('Times#sec', '15.2.19.7.23') do
  Time.gm(2012, 12, 23, 7, 6, 40).sec == 40
end

assert('Time#to_f', '15.2.19.7.24') do
  Time.at(1300000000.0).to_f == 1300000000.0
end

assert('Time#to_i', '15.2.19.7.25') do
  Time.at(1300000000.0).to_i == 1300000000
end

assert('Time#usec', '15.2.19.7.26') do
  Time.at(1300000000.0).usec == 0
end

assert('Time#utc', '15.2.19.7.27') do
  Time.at(1300000000.0).utc
end

assert('Time#utc?', '15.2.19.7.28') do
  Time.at(1300000000.0).utc.utc?
end

# ATM not implemented
# assert('Time#utc_offset', '15.2.19.7.29') do

assert('Time#wday', '15.2.19.7.30') do
  Time.gm(2012, 12, 23).wday == 0
end

assert('Time#yday', '15.2.19.7.31') do
  Time.gm(2012, 12, 23).yday == 358
end

assert('Time#year', '15.2.19.7.32') do
  Time.gm(2012, 12, 23).year == 2012
end

assert('Time#zone', '15.2.19.7.33') do
  Time.at(1300000000.0).utc.zone == 'UTC'
end

# Not ISO specified

assert('Time#to_s') do
  Time.at(1300000000.0).utc.to_s == "Sun Mar 13 07:06:40 UTC 2011"
end

assert('Time#inspect') do
  Time.at(1300000000.0).utc.inspect == "Sun Mar 13 07:06:40 UTC 2011"
end

assert('day of week methods') do
  t = Time.gm(2012, 12, 24)
  assert_false t.sunday?
  assert_true t.monday?
  assert_false t.tuesday?
  assert_false t.wednesday?
  assert_false t.thursday?
  assert_false t.friday?
  assert_false t.saturday?
end

assert('2000 times 500us make a second') do
  t = Time.utc 2015
  2000.times do
    t += 0.0005
  end
  t.usec == 0
end

assert('Time.gm with Dec 31 23:59:59 1969 raise ArgumentError') do
  assert_raise(ArgumentError) {Time.gm(1969, 12, 31, 23, 59, 59)}
end