/vendor/rails/activesupport/test/core_ext/date_time_ext_test.rb

https://github.com/Epictetus/bookqueue · Ruby · 288 lines · 244 code · 43 blank · 1 comment · 0 complexity · 3a1cbeb68a223122156b64f65c1bbb23 MD5 · raw file 

    

  1. require 'abstract_unit'
    2. 

  2. 

  3. class DateTimeExtCalculationsTest < Test::Unit::TestCase
    4. 

  4.   def test_to_s
    5. 

  5.     datetime = DateTime.new(2005, 2, 21, 14, 30, 0, 0)
    6. 

  6.     assert_equal "2005-02-21 14:30:00",               datetime.to_s(:db)
    7. 

  7.     assert_equal "14:30",                             datetime.to_s(:time)
    8. 

  8.     assert_equal "21 Feb 14:30",                      datetime.to_s(:short)
    9. 

  9.     assert_equal "February 21, 2005 14:30",           datetime.to_s(:long)
    10. 

  10.     assert_equal "Mon, 21 Feb 2005 14:30:00 +0000",   datetime.to_s(:rfc822)
    11. 

  11.     assert_equal "February 21st, 2005 14:30",         datetime.to_s(:long_ordinal)
    12. 

  12.     assert_match(/^2005-02-21T14:30:00(Z|\+00:00)$/,  datetime.to_s)
    13. 

  13.   end
    14. 

  14. 

  15.   def test_readable_inspect
    16. 

  16.     datetime = DateTime.new(2005, 2, 21, 14, 30, 0)
    17. 

  17.     assert_equal "Mon, 21 Feb 2005 14:30:00 +0000", datetime.readable_inspect
    18. 

  18.     assert_equal datetime.readable_inspect, datetime.inspect
    19. 

  19.   end
    20. 

  20. 

  21.   def test_custom_date_format
    22. 

  22.     Time::DATE_FORMATS[:custom] = '%Y%m%d%H%M%S'
    23. 

  23.     assert_equal '20050221143000', DateTime.new(2005, 2, 21, 14, 30, 0).to_s(:custom)
    24. 

  24.     Time::DATE_FORMATS.delete(:custom)
    25. 

  25.   end
    26. 

  26. 

  27.   def test_to_date
    28. 

  28.     assert_equal Date.new(2005, 2, 21), DateTime.new(2005, 2, 21).to_date
    29. 

  29.   end
    30. 

  30. 

  31.   def test_to_datetime
    32. 

  32.     assert_equal DateTime.new(2005, 2, 21), DateTime.new(2005, 2, 21).to_datetime
    33. 

  33.   end
    34. 

  34. 

  35.   def test_to_time
    36. 

  36.     assert_equal Time.utc(2005, 2, 21, 10, 11, 12), DateTime.new(2005, 2, 21, 10, 11, 12, 0, 0).to_time
    37. 

  37.     assert_equal Time.utc_time(2039, 2, 21, 10, 11, 12), DateTime.new(2039, 2, 21, 10, 11, 12, 0, 0).to_time
    38. 

  38.     # DateTimes with offsets other than 0 are returned unaltered
    39. 

  39.     assert_equal DateTime.new(2005, 2, 21, 10, 11, 12, Rational(-5, 24)), DateTime.new(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).to_time
    40. 

  40.   end
    41. 

  41. 

  42.   def test_seconds_since_midnight
    43. 

  43.     assert_equal 1,DateTime.civil(2005,1,1,0,0,1).seconds_since_midnight
    44. 

  44.     assert_equal 60,DateTime.civil(2005,1,1,0,1,0).seconds_since_midnight
    45. 

  45.     assert_equal 3660,DateTime.civil(2005,1,1,1,1,0).seconds_since_midnight
    46. 

  46.     assert_equal 86399,DateTime.civil(2005,1,1,23,59,59).seconds_since_midnight
    47. 

  47.   end
    48. 

  48. 

  49.   def test_beginning_of_week
    50. 

  50.     assert_equal DateTime.civil(2005,1,31), DateTime.civil(2005,2,4,10,10,10).beginning_of_week
    51. 

  51.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,28,0,0,0).beginning_of_week #monday
    52. 

  52.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,29,0,0,0).beginning_of_week #tuesday
    53. 

  53.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,30,0,0,0).beginning_of_week #wednesday
    54. 

  54.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,01,0,0,0).beginning_of_week #thursday
    55. 

  55.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,02,0,0,0).beginning_of_week #friday
    56. 

  56.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,03,0,0,0).beginning_of_week #saturday
    57. 

  57.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,04,0,0,0).beginning_of_week #sunday
    58. 

  58.   end
    59. 

  59. 

  60.   def test_beginning_of_day
    61. 

  61.     assert_equal DateTime.civil(2005,2,4,0,0,0), DateTime.civil(2005,2,4,10,10,10).beginning_of_day
    62. 

  62.   end
    63. 

  63. 

  64.   def test_end_of_day
    65. 

  65.     assert_equal DateTime.civil(2005,2,4,23,59,59), DateTime.civil(2005,2,4,10,10,10).end_of_day
    66. 

  66.   end
    67. 

  67. 

  68.   def test_beginning_of_month
    69. 

  69.     assert_equal DateTime.civil(2005,2,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_month
    70. 

  70.   end
    71. 

  71. 

  72.   def test_beginning_of_quarter
    73. 

  73.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,15,10,10,10).beginning_of_quarter
    74. 

  74.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,1,1,0,0,0).beginning_of_quarter
    75. 

  75.     assert_equal DateTime.civil(2005,10,1,0,0,0), DateTime.civil(2005,12,31,10,10,10).beginning_of_quarter
    76. 

  76.     assert_equal DateTime.civil(2005,4,1,0,0,0), DateTime.civil(2005,6,30,23,59,59).beginning_of_quarter
    77. 

  77.   end
    78. 

  78. 

  79.   def test_end_of_month
    80. 

  80.     assert_equal DateTime.civil(2005,3,31,23,59,59), DateTime.civil(2005,3,20,10,10,10).end_of_month
    81. 

  81.     assert_equal DateTime.civil(2005,2,28,23,59,59), DateTime.civil(2005,2,20,10,10,10).end_of_month
    82. 

  82.     assert_equal DateTime.civil(2005,4,30,23,59,59), DateTime.civil(2005,4,20,10,10,10).end_of_month
    83. 

  83.   end
    84. 

  84. 

  85.   def test_beginning_of_year
    86. 

  86.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_year
    87. 

  87.   end
    88. 

  88. 

  89.   def test_months_ago
    90. 

  90.     assert_equal DateTime.civil(2005,5,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(1)
    91. 

  91.     assert_equal DateTime.civil(2004,11,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(7)
    92. 

  92.     assert_equal DateTime.civil(2004,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(6)
    93. 

  93.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(12)
    94. 

  94.     assert_equal DateTime.civil(2003,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(24)
    95. 

  95.   end
    96. 

  96. 

  97.   def test_months_since
    98. 

  98.     assert_equal DateTime.civil(2005,7,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(1)
    99. 

  99.     assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(1)
    100. 

  100.     assert_equal DateTime.civil(2005,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_since(6)
    101. 

  101.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(6)
    102. 

  102.     assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(7)
    103. 

  103.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(12)
    104. 

  104.     assert_equal DateTime.civil(2007,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(24)
    105. 

  105.     assert_equal DateTime.civil(2005,4,30,10),  DateTime.civil(2005,3,31,10,0,0).months_since(1)
    106. 

  106.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,29,10,0,0).months_since(1)
    107. 

  107.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,30,10,0,0).months_since(1)
    108. 

  108.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,31,10,0,0).months_since(1)
    109. 

  109.   end
    110. 

  110. 

  111.   def test_years_ago
    112. 

  112.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_ago(1)
    113. 

  113.     assert_equal DateTime.civil(1998,6,5,10), DateTime.civil(2005,6,5,10,0,0).years_ago(7)
    114. 

  114.     assert_equal DateTime.civil(2003,2,28,10), DateTime.civil(2004,2,29,10,0,0).years_ago(1) # 1 year ago from leap day
    115. 

  115.   end
    116. 

  116. 

  117.   def test_years_since
    118. 

  118.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(1)
    119. 

  119.     assert_equal DateTime.civil(2012,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(7)
    120. 

  120.     assert_equal DateTime.civil(2182,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(177)
    121. 

  121.     assert_equal DateTime.civil(2005,2,28,10), DateTime.civil(2004,2,29,10,0,0).years_since(1) # 1 year since leap day
    122. 

  122.   end
    123. 

  123. 

  124.   def test_last_year
    125. 

  125.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).last_year
    126. 

  126.   end
    127. 

  127. 

  128.   def test_next_year
    129. 

  129.     assert_equal DateTime.civil(2006,6,5,10), DateTime.civil(2005,6,5,10,0,0).next_year
    130. 

  130.   end
    131. 

  131. 

  132.   def test_ago
    133. 

  133.     assert_equal DateTime.civil(2005,2,22,10,10,9),  DateTime.civil(2005,2,22,10,10,10).ago(1)
    134. 

  134.     assert_equal DateTime.civil(2005,2,22,9,10,10),  DateTime.civil(2005,2,22,10,10,10).ago(3600)
    135. 

  135.     assert_equal DateTime.civil(2005,2,20,10,10,10), DateTime.civil(2005,2,22,10,10,10).ago(86400*2)
    136. 

  136.     assert_equal DateTime.civil(2005,2,20,9,9,45),   DateTime.civil(2005,2,22,10,10,10).ago(86400*2 + 3600 + 25)
    137. 

  137.   end
    138. 

  138. 

  139.   def test_since
    140. 

  140.     assert_equal DateTime.civil(2005,2,22,10,10,11), DateTime.civil(2005,2,22,10,10,10).since(1)
    141. 

  141.     assert_equal DateTime.civil(2005,2,22,11,10,10), DateTime.civil(2005,2,22,10,10,10).since(3600)
    142. 

  142.     assert_equal DateTime.civil(2005,2,24,10,10,10), DateTime.civil(2005,2,22,10,10,10).since(86400*2)
    143. 

  143.     assert_equal DateTime.civil(2005,2,24,11,10,35), DateTime.civil(2005,2,22,10,10,10).since(86400*2 + 3600 + 25)
    144. 

  144.     assert_equal DateTime.civil(2005,2,22,10,10,11), DateTime.civil(2005,2,22,10,10,10).since(1.333)
    145. 

  145.     assert_equal DateTime.civil(2005,2,22,10,10,12), DateTime.civil(2005,2,22,10,10,10).since(1.667)
    146. 

  146.   end
    147. 

  147. 

  148.   def test_yesterday
    149. 

  149.     assert_equal DateTime.civil(2005,2,21,10,10,10), DateTime.civil(2005,2,22,10,10,10).yesterday
    150. 

  150.     assert_equal DateTime.civil(2005,2,28,10,10,10), DateTime.civil(2005,3,2,10,10,10).yesterday.yesterday
    151. 

  151.   end
    152. 

  152. 

  153.   def test_tomorrow
    154. 

  154.     assert_equal DateTime.civil(2005,2,23,10,10,10), DateTime.civil(2005,2,22,10,10,10).tomorrow
    155. 

  155.     assert_equal DateTime.civil(2005,3,2,10,10,10),  DateTime.civil(2005,2,28,10,10,10).tomorrow.tomorrow
    156. 

  156.   end
    157. 

  157. 

  158.   def test_change
    159. 

  159.     assert_equal DateTime.civil(2006,2,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2006)
    160. 

  160.     assert_equal DateTime.civil(2005,6,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:month => 6)
    161. 

  161.     assert_equal DateTime.civil(2012,9,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2012, :month => 9)
    162. 

  162.     assert_equal DateTime.civil(2005,2,22,16),       DateTime.civil(2005,2,22,15,15,10).change(:hour => 16)
    163. 

  163.     assert_equal DateTime.civil(2005,2,22,16,45),    DateTime.civil(2005,2,22,15,15,10).change(:hour => 16, :min => 45)
    164. 

  164.     assert_equal DateTime.civil(2005,2,22,15,45),    DateTime.civil(2005,2,22,15,15,10).change(:min => 45)
    165. 

  165.   end
    166. 

  166. 

  167.   def test_advance
    168. 

  168.     assert_equal DateTime.civil(2006,2,28,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 1)
    169. 

  169.     assert_equal DateTime.civil(2005,6,28,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:months => 4)
    170. 

  170.     assert_equal DateTime.civil(2005,3,21,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:weeks => 3)
    171. 

  171.     assert_equal DateTime.civil(2005,3,5,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:days => 5)
    172. 

  172.     assert_equal DateTime.civil(2012,9,28,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 7)
    173. 

  173.     assert_equal DateTime.civil(2013,10,3,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 19, :days => 5)
    174. 

  174.     assert_equal DateTime.civil(2013,10,17,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 19, :weeks => 2, :days => 5)
    175. 

  175.     assert_equal DateTime.civil(2001,12,27,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => -3, :months => -2, :days => -1)
    176. 

  176.     assert_equal DateTime.civil(2005,2,28,15,15,10), DateTime.civil(2004,2,29,15,15,10).advance(:years => 1) #leap day plus one year
    177. 

  177.     assert_equal DateTime.civil(2005,2,28,20,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:hours => 5)
    178. 

  178.     assert_equal DateTime.civil(2005,2,28,15,22,10), DateTime.civil(2005,2,28,15,15,10).advance(:minutes => 7)
    179. 

  179.     assert_equal DateTime.civil(2005,2,28,15,15,19), DateTime.civil(2005,2,28,15,15,10).advance(:seconds => 9)
    180. 

  180.     assert_equal DateTime.civil(2005,2,28,20,22,19), DateTime.civil(2005,2,28,15,15,10).advance(:hours => 5, :minutes => 7, :seconds => 9)
    181. 

  181.     assert_equal DateTime.civil(2005,2,28,10,8,1), DateTime.civil(2005,2,28,15,15,10).advance(:hours => -5, :minutes => -7, :seconds => -9)
    182. 

  182.     assert_equal DateTime.civil(2013,10,17,20,22,19), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 19, :weeks => 2, :days => 5, :hours => 5, :minutes => 7, :seconds => 9)
    183. 

  183. 

  184.   end
    185. 

  185. 

  186.   def test_next_week
    187. 

  187.     assert_equal DateTime.civil(2005,2,28), DateTime.civil(2005,2,22,15,15,10).next_week
    188. 

  188.     assert_equal DateTime.civil(2005,3,4), DateTime.civil(2005,2,22,15,15,10).next_week(:friday)
    189. 

  189.     assert_equal DateTime.civil(2006,10,30), DateTime.civil(2006,10,23,0,0,0).next_week
    190. 

  190.     assert_equal DateTime.civil(2006,11,1), DateTime.civil(2006,10,23,0,0,0).next_week(:wednesday)
    191. 

  191.   end
    192. 

  192. 

  193.   def test_next_month_on_31st
    194. 

  194.     assert_equal DateTime.civil(2005, 9, 30), DateTime.civil(2005, 8, 31).next_month
    195. 

  195.   end
    196. 

  196. 

  197.   def test_last_month_on_31st
    198. 

  198.     assert_equal DateTime.civil(2004, 2, 29), DateTime.civil(2004, 3, 31).last_month
    199. 

  199.   end
    200. 

  200. 

  201.   def test_xmlschema
    202. 

  202.     assert_match(/^1880-02-28T15:15:10\+00:?00$/, DateTime.civil(1880, 2, 28, 15, 15, 10).xmlschema)
    203. 

  203.     assert_match(/^1980-02-28T15:15:10\+00:?00$/, DateTime.civil(1980, 2, 28, 15, 15, 10).xmlschema)
    204. 

  204.     assert_match(/^2080-02-28T15:15:10\+00:?00$/, DateTime.civil(2080, 2, 28, 15, 15, 10).xmlschema)
    205. 

  205.     assert_match(/^1880-02-28T15:15:10-06:?00$/, DateTime.civil(1880, 2, 28, 15, 15, 10, -0.25).xmlschema)
    206. 

  206.     assert_match(/^1980-02-28T15:15:10-06:?00$/, DateTime.civil(1980, 2, 28, 15, 15, 10, -0.25).xmlschema)
    207. 

  207.     assert_match(/^2080-02-28T15:15:10-06:?00$/, DateTime.civil(2080, 2, 28, 15, 15, 10, -0.25).xmlschema)
    208. 

  208.   end
    209. 

  209. 

  210.   def test_acts_like_time
    211. 

  211.     assert DateTime.new.acts_like_time?
    212. 

  212.   end
    213. 

  213. 

  214.   def test_local_offset
    215. 

  215.     with_env_tz 'US/Eastern' do
    216. 

  216.       assert_equal Rational(-5, 24), DateTime.local_offset
    217. 

  217.     end
    218. 

  218.     with_env_tz 'US/Central' do
    219. 

  219.       assert_equal Rational(-6, 24), DateTime.local_offset
    220. 

  220.     end
    221. 

  221.   end
    222. 

  222. 

  223.   def test_utc?
    224. 

  224.     assert_equal true, DateTime.civil(2005, 2, 21, 10, 11, 12).utc?
    225. 

  225.     assert_equal true, DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc?
    226. 

  226.     assert_equal false, DateTime.civil(2005, 2, 21, 10, 11, 12, 0.25).utc?
    227. 

  227.     assert_equal false, DateTime.civil(2005, 2, 21, 10, 11, 12, -0.25).utc?
    228. 

  228.   end
    229. 

  229. 

  230.   def test_utc_offset
    231. 

  231.     assert_equal 0, DateTime.civil(2005, 2, 21, 10, 11, 12).utc_offset
    232. 

  232.     assert_equal 0, DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc_offset
    233. 

  233.     assert_equal 21600, DateTime.civil(2005, 2, 21, 10, 11, 12, 0.25).utc_offset
    234. 

  234.     assert_equal( -21600, DateTime.civil(2005, 2, 21, 10, 11, 12, -0.25).utc_offset )
    235. 

  235.     assert_equal( -18000, DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).utc_offset )
    236. 

  236.   end
    237. 

  237. 

  238.   def test_utc
    239. 

  239.     assert_equal DateTime.civil(2005, 2, 21, 16, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-6, 24)).utc
    240. 

  240.     assert_equal DateTime.civil(2005, 2, 21, 15, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).utc
    241. 

  241.     assert_equal DateTime.civil(2005, 2, 21, 10, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc
    242. 

  242.     assert_equal DateTime.civil(2005, 2, 21, 9, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(1, 24)).utc
    243. 

  243.     assert_equal DateTime.civil(2005, 2, 21, 9, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(1, 24)).getutc
    244. 

  244.   end
    245. 

  245. 

  246.   def test_formatted_offset_with_utc
    247. 

  247.     assert_equal '+00:00', DateTime.civil(2000).formatted_offset
    248. 

  248.     assert_equal '+0000', DateTime.civil(2000).formatted_offset(false)
    249. 

  249.     assert_equal 'UTC', DateTime.civil(2000).formatted_offset(true, 'UTC')
    250. 

  250.   end
    251. 

  251. 

  252.   def test_formatted_offset_with_local
    253. 

  253.     dt = DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24))
    254. 

  254.     assert_equal '-05:00', dt.formatted_offset
    255. 

  255.     assert_equal '-0500', dt.formatted_offset(false)
    256. 

  256.   end
    257. 

  257. 

  258.   def test_compare_with_time
    259. 

  259.     assert_equal  1, DateTime.civil(2000) <=> Time.utc(1999, 12, 31, 23, 59, 59)
    260. 

  260.     assert_equal  0, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 0)
    261. 

  261.     assert_equal(-1, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 1))
    262. 

  262.   end
    263. 

  263. 

  264.   def test_compare_with_datetime
    265. 

  265.     assert_equal  1, DateTime.civil(2000) <=> DateTime.civil(1999, 12, 31, 23, 59, 59)
    266. 

  266.     assert_equal  0, DateTime.civil(2000) <=> DateTime.civil(2000, 1, 1, 0, 0, 0)
    267. 

  267.     assert_equal(-1, DateTime.civil(2000) <=> DateTime.civil(2000, 1, 1, 0, 0, 1))
    268. 

  268.   end
    269. 

  269. 

  270.   def test_compare_with_time_with_zone
    271. 

  271.     assert_equal  1, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(1999, 12, 31, 23, 59, 59), ActiveSupport::TimeZone['UTC'] )
    272. 

  272.     assert_equal  0, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 0), ActiveSupport::TimeZone['UTC'] )
    273. 

  273.     assert_equal(-1, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 1), ActiveSupport::TimeZone['UTC'] ))
    274. 

  274.   end
    275. 

  275. 

  276.   def test_to_f
    277. 

  277.     assert_equal 946684800.0, DateTime.civil(2000).to_f
    278. 

  278.     assert_equal 946684800.0, DateTime.civil(1999,12,31,19,0,0,Rational(-5,24)).to_f
    279. 

  279.   end
    280. 

  280. 

  281.   protected
    282. 

  282.     def with_env_tz(new_tz = 'US/Eastern')
    283. 

  283.       old_tz, ENV['TZ'] = ENV['TZ'], new_tz
    284. 

  284.       yield
    285. 

  285.     ensure
    286. 

  286.       old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
    287. 

  287.     end
    288. 

  288. end
    289.