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Module:Citation/CS1/testcases/dates

ဝီကီးပီးဒီးယား က

Documentation for this module may be created at Module:Citation/CS1/testcases/dates/doc

--[=[

Unit tests for [[Module:Citation/CS1/Date validation]].

Click talk page to run tests.

]=]


local p = require('Module:UnitTests')
--[[--------------------------< Y M X _ D A T E S >------------------------------------------------------------
]]

function p:test_ymx_dates()                           -- EDTF dates
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=1500-10-XX'},                        -- invalid year
      {'date=5500-10-XX'},                        -- invalid year
      {'date=1980-00-XX'},                        -- invalid month
      {'date=1980-13-XX'},                        -- invalid month
      {'date=2000-02-XX'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< Y M D _ D A T E S >------------------------------------------------------------
]]

function p:test_ymd_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=1500-10-23'},                        -- invalid year
      {'date=5500-10-23'},                        -- invalid year
      {'date=1980-00-23'},                        -- invalid month
      {'date=1980-13-23'},                        -- invalid month
      {'date=1980-10-00'},                        -- invalid day
      {'date=1980-10-55'},                        -- invalid day
      {'date=1700-02-29'},                        -- invalid date
      {'date=2000-02-29'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< M D Y _ D A T E S >------------------------------------------------------------
]]

function p:test_mdy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=October 23, 96'},                      -- invalid year
      {'date=October 23, 5500'},                      -- invalid year
      {'date=Oktober 23, 1980'},                      -- invalid month
      {'date=october 23, 1980'},                      -- invalid month
      {'date=Sept 23, 1980'},                       -- invalid month
      {'date=sep 23, 1980'},                        -- invalid month
      {'date=October 00, 1980'},                      -- invalid day
      {'date=October 55, 1980'},                      -- invalid day
      {'date=February 29, 1700'},                     -- invalid date
      {'date=October 23 1980'},                     -- missing comma
      {'date=October, 23 1980'},                      -- misplaced comma
      {'date=October 23,1980'},                     -- missing space
      {'date=October23, 1980'},                     -- missing space
      {'date=February 29, 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< M D D Y _ D A T E S >----------------------------------------------------------
]]

function p:test_mddy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=October 23–25, 96'},                     -- invalid year
      {'date=October 23–25, 5500'},                   -- invalid year
      {'date=Oktober 23–25, 1980'},                   -- invalid month
      {'date=october 23–25, 1980'},                   -- invalid month
      {'date=Sept 23–25, 1980'},                      -- invalid month
      {'date=sep 23–25, 1980'},                     -- invalid month
      {'date=October 00–25, 1980'},                   -- invalid day
      {'date=October 23–55, 1980'},                   -- invalid day
      {'date=October 25–23, 1980'},                   -- invalid day order
      {'date=October 23–23, 1980'},                   -- invalid 2nd day
      {'date=February 25–29, 1700'},                    -- invalid 2nd day
      {'date=October 23–25 1980'},                    -- missing comma
      {'date=October, 23–25 1980'},                   -- misplaced comma
      {'date=October 23–25,1980'},                    -- missing space
      {'date=October23–25, 1980'},                    -- missing space
      {'date=October 23 –25, 1980'},                    -- extraneous space
      {'date=October 23– 25, 1980'},                    -- extraneous space
      {'date=October 23-25, 1980'},                   -- hyphen
      {'date=February 25–29, 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< D M Y _ D A T E S >------------------------------------------------------------
]]

function p:test_dmy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=23 October 96'},                       -- invalid year
      {'date=23 October 5500'},                     -- invalid year
      {'date=23 Oktober 1980'},                     -- invalid month
      {'date=23 october 1980'},                     -- invalid month
      {'date=23 Sept 1980'},                        -- invalid month
      {'date=23 sep 1980'},                       -- invalid month
      {'date=00 October 1980'},                     -- invalid day
      {'date=55 October 1980'},                     -- invalid day
      {'date=29 February 1700'},                      -- invalid date
      {'date=23, October 1980'},                      -- extraneous comma
      {'date=23 October, 1980'},                      -- extraneous comma
      {'date=23October 1980'},                      -- missing space
      {'date=23 October1980'},                      -- missing space
      {'date=29 February 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< D D M Y _ D A T E S >----------------------------------------------------------
]]

function p:test_ddmy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=23–25 October 96'},                      -- invalid year
      {'date=23–25 October 5500'},                    -- invalid year
      {'date=23–25 Oktober 1980'},                    -- invalid month
      {'date=23–25 october 1980'},                    -- invalid month
      {'date=23–25 Sept 1980'},                     -- invalid month
      {'date=23–25 sep 1980'},                      -- invalid month
      {'date=00–25 October 1980'},                    -- invalid day
      {'date=23–55 October 1980'},                    -- invalid day
      {'date=25–23 October 1980'},                    -- invalid day order
      {'date=23–23 February 1700'},                   -- invalid 2nd day
      {'date=23–29 February 1700'},                   -- invalid 2nd day
      {'date=23–25, October 1980'},                   -- extraneous comma
      {'date=23–25 October, 1980'},                   -- extraneous comma
      {'date=23–25 October1980'},                     -- missing space
      {'date=23–25October 1980'},                     -- missing space
      {'date=23 –25 October 1980'},                   -- extraneous space
      {'date=23– 25 October 1980'},                   -- extraneous space
      {'date=23-25 October 1980'},                    -- hyphen
      {'date=23–25 February 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< M D M D Y _ D A T E S >--------------------------------------------------------
]]

function p:test_mdmdy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=October 23 – November 25, 96'},                -- invalid year
      {'date=October 23 – November 25, 5500'},              -- invalid year
      {'date=Oktober 23 – November 25, 1980'},              -- invalid 1st month
      {'date=October 23 – Novembre 25, 1980'},              -- invalid 2nd month
      {'date=october 23 – November 25, 1980'},              -- invalid 1st month
      {'date=October 23 – november 25, 1980'},              -- invalid 2nd month
      {'date=Sept 23 – Oct 25, 1980'},                  -- invalid 1st month
      {'date=Sep 23 – Okt 25, 1980'},                   -- invalid 2nd month
      {'date=sep 23 – Oct 25, 1980'},                   -- invalid 1st month
      {'date=Sep 23 – oct 25, 1980'},                   -- invalid 2nd month
      {'date=October 25 – October 29, 1980'},               -- invalid 2nd month
      {'date=October 00 – November 25, 1980'},              -- invalid 1st day
      {'date=October 23 – November 55, 1980'},              -- invalid 2nd day
      {'date=October 23 – November 25 1980'},               -- missing comma
      {'date=October, 23 – November 25 1980'},              -- misplaced comma
      {'date=October 23, – November 25 1980'},              -- misplaced comma
      {'date=October 23 – November, 25 1980'},              -- misplaced comma
      {'date=October23 – November 25, 1980'},               -- missing space
      {'date=October 23– November 25, 1980'},               -- missing space
      {'date=October 23 –November 25, 1980'},               -- missing space
      {'date=October 23 – November25, 1980'},               -- missing space
      {'date=October 23 – November 25,1980'},               -- missing space
      {'date=Oct 23 – November 25, 1980'},                -- mixed style
      {'date=October 23 – Nov 25, 1980'},                 -- mixed style
      {'date=October 23 – September 25, 1980'},             -- invalid month order
      {'date=Oct 23 – Sep 25, 1980'},                   -- invalid month order
      {'date=October 23 – October 23, 1980'},               -- same dates
      {'date=October 23 - November 25, 1980'},              -- hyphen
      {'date=January 25 – February 29, 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< D M D M Y _ D A T E S >--------------------------------------------------------
]]

function p:test_dmdmy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=23 October – 25 November 96'},               -- invalid year
      {'date=23 October – 25 November 5500'},               -- invalid year
      {'date=23 Oktober – 25 November 1980'},               -- invalid 1st month
      {'date=23 October – 25 Novembre 1980'},               -- invalid 2nd month
      {'date=23 october – 25 November 1980'},               -- invalid 1st month
      {'date=23 October – 25 november 1980'},               -- invalid 2nd month
      {'date=23 Sept – 25 Oct 1980'},                   -- invalid 1st month
      {'date=23 Sep – 25 Okt 1980'},                    -- invalid 2nd month
      {'date=23 sep – 25 Oct 1980'},                    -- invalid 1st month
      {'date=23 Sep – 25 oct 1980'},                    -- invalid 2nd month
      {'date=23 October – 29 October 1980'},                -- invalid 2nd month
      {'date=00 October – 25 November 1980'},               -- invalid 1st day
      {'date=23 October – 55 November 1980'},               -- invalid 2nd day
      {'date=23, October – 25 November 1980'},              -- extraneous comma
      {'date=23 October, – 25 November 1980'},              -- extraneous comma
      {'date=23 October – 25, November 1980'},              -- extraneous comma
      {'date=23 October – 25 November, 1980'},              -- extraneous comma
      {'date=23October – 25 November 1980'},                -- missing space
      {'date=23 October– 25 November 1980'},                -- missing space
      {'date=23 October –25 November 1980'},                -- missing space
      {'date=23 October – 25November 1980'},                -- missing space
      {'date=23 October – 25 November1980'},                -- missing space
      {'date=23 Oct – 25 November 1980'},                 -- mixed style
      {'date=23 October – 25 Nov 1980'},                  -- mixed style
      {'date=23 October – 25 September 1980'},              -- invalid month order
      {'date=23 October – 23 October 1980'},                -- same dates
      {'date=23 October - 25 November 1980'},               -- hyphen
      {'date=25 January – 29 February 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< M D Y M D Y _ D A T E S >------------------------------------------------------
]]

function p:test_mdymdy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=October 23, 95 – November 25, 1996'},            -- invalid 1st year
      {'date=October 23, 1995 – November 25, 96'},            -- invalid 2nd year
      {'date=October 23, 5500 – November 25, 1996'},            -- invalid 1st year
      {'date=October 23, 1995 – November 25, 5500'},            -- invalid 1st year
      {'date=Oktober 23, 1979 – November 25, 1980'},            -- invalid 1st month
      {'date=October 23, 1979 – Novembre 25, 1980'},            -- invalid 2nd month
      {'date=october 23, 1979 – November 25, 1980'},            -- invalid 1st month
      {'date=October 23, 1979 – november 25, 1980'},            -- invalid 2nd month
      {'date=Sept 23, 1979 – Oct 25, 1980'},                -- invalid 1st month
      {'date=Sep 23, 1979 – Okt 25, 1980'},               -- invalid 2nd month
      {'date=sep 23, 1979 – Oct 25, 1980'},               -- invalid 1st month
      {'date=October 00, 1979 – November 25, 1980'},            -- invalid 1st day
      {'date=October 23, 1979 – November 55, 1980'},            -- invalid 2nd day
      {'date=October 23 1979 – November 25, 1980'},           -- missing comma
      {'date=October 23, 1979 – November 25 1980'},           -- missing comma
      {'date=October, 23 1979 – November 25, 1980'},            -- misplaced comma
      {'date=October 23 1979, – November 25, 1980'},            -- misplaced comma
      {'date=October 23, 1979 – November, 25 1980'},            -- misplaced comma
      {'date=October23, 1979 – November 25, 1980'},           -- missing space
      {'date=October 23,1979 – November 25, 1980'},           -- missing space
      {'date=October 23, 1979– November 25, 1980'},           -- missing space
      {'date=October 23, 1979 –November25, 1980'},            -- missing space
      {'date=October 23, 1979 – November25, 1980'},           -- missing space
      {'date=October 23, 1979 – November 25,1980'},           -- missing space
      {'date=Oct 23, 1979 – November 25, 1980'},              -- mixed style
      {'date=October 23, 1979 – Nov 25, 1980'},             -- mixed style
      {'date=September 25, 1980 – October 23, 1979'},           -- invalid year order
      {'date=October 23, 1979 – October 23, 1979'},           -- same dates
      {'date=October 23, 1979 - November 25, 1980'},            -- hyphen
      {'date=January 25, 1979 – February 29, 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< D M Y D M Y _ D A T E S >------------------------------------------------------
]]

function p:test_dmydmy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=23 October 95 – 25 November 1996'},              -- invalid 1st year
      {'date=23 October 1995 – 25 November 96'},              -- invalid 2nd year
      {'date=23 October 5500 – 25 November 1996'},            -- invalid 1st year
      {'date=23 October 1995 – 25 November 5500'},            -- invalid 2nd year
      {'date=23 Oktober 1979 – 25 November 1980'},            -- invalid 1st month
      {'date=23 October 1979 – 25 Novembre 1980'},            -- invalid 2nd month
      {'date=23 october 1979 – 25 November 1980'},            -- invalid 1st month
      {'date=23 October 1979 – 25 november 1980'},            -- invalid 2nd month
      {'date=23 Sept 1979 – 25 Oct 1980'},                -- invalid 1st month
      {'date=23 Sep 1979 – 25 Okt 1980'},                 -- invalid 2nd month
      {'date=23 sep 1979 – 25 Oct 1980'},                 -- invalid 1st month
      {'date=00 October 1979 – 25 November 1980'},            -- invalid 1st day
      {'date=23 October 1979 – 55 November 1980'},            -- invalid 2nd day
      {'date=23, October 1979 – 25 November 1980'},           -- extraneous comma
      {'date=23 October, 1979 – 25 November 1980'},           -- extraneous comma
      {'date=23 October 1979, – 25 November 1980'},           -- extraneous comma
      {'date=23 October 1979 – 25, November 1980'},           -- extraneous comma
      {'date=23 October 1979 – 25 November, 1980'},           -- extraneous comma
      {'date=23October 1979 – 25 November 1980'},             -- missing space
      {'date=23 October1979 – 25 November 1980'},             -- missing space
      {'date=23 October 1979– 25 November 1980'},             -- missing space
      {'date=23 October 1979 –25 November 1980'},             -- missing space
      {'date=23 October 1979 – 25November 1980'},             -- missing space
      {'date=23 October 1979 – 25 November1980'},             -- missing space
      {'date=23 Oct 1979 – 25 November 1980'},              -- mixed month style
      {'date=23 October 1979 – 25 Nov 1980'},               -- mixed month style
      {'date=23 October 1979 – November 25, 1980'},           -- mixed date style
      {'date=25 September 1980 – 23 October 1979'},           -- invalid year order
      {'date=23 October 1979 – 23 October 1979'},             -- same dates
      {'date=23 October 1979 - 25 November 1980'},            -- hyphen
      {'date=25 January 1979 – 29 February 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< M Y _ D A T E S >--------------------------------------------------------------
]]

function p:test_my_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=October 96'},                        -- invalid year
      {'date=October 5500'},                        -- invalid year
      {'date=Oktober 1980'},                        -- invalid month
      {'date=october 1980'},                        -- invalid month
      {'date=Sept 1980'},                         -- invalid month
      {'date=sep 1980'},                          -- invalid month
      {'date=October, 1980'},                       -- extraneous comma
      {'date=October1980'},                       -- missing space
      {'date=February 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< S Y _ D A T E S >--------------------------------------------------------------
]]

function p:test_sy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=Spring 96'},                         -- invalid year
      {'date=Summer 5500'},                       -- invalid year
      {'date=spring 1980'},                       -- invalid season
      {'date=summer 1980'},                       -- invalid season
      {'date=autumn 1980'},                       -- invalid season
      {'date=fall 1980'},                         -- invalid season
      {'date=Winter, 1980'},                        -- extraneous comma
      {'date=Spring1980'},                        -- missing space
      {'date=Spring 2000'},
      {'date=Summer 2000'},
      {'date=Autumn 2000'},
      {'date=Fall 2000'},
      {'date=Winter 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< Q Y _ D A T E S >--------------------------------------------------------------
]]

function p:test_qy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=First Quarter 96'},                      -- invalid year
      {'date=First Quarter 5500'},                    -- invalid year
      {'date=1st Quarter 1980'},                      -- invalid quarter
      {'date=first Quarter 1980'},                    -- invalid quarter
      {'date=First quarter 1980'},                    -- invalid quarter
      {'date=First Quarter, 1980'},                   -- extraneous comma
      {'date=First Quarter1980'},                     -- missing space
      {'date=FirstQuarter 1980'},                     -- missing space
      {'date=First Quarter 2000'},
      {'date=Second Quarter 2000'},
      {'date=Third Quarter 2000'},
      {'date=Fourth Quarter 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< P R O P E R _ N A M E _ Y E A R _ D A T E S >----------------------------------
]]

function p:test_proper_name_year_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=Christmas 96'},                        -- invalid year
      {'date=Christmas 5500'},                      -- invalid year
      {'date=Xmas 1980'},                         -- invalid proper name
      {'date=christmas 1980'},                      -- invalid proper name
      {'date=easter 1980'},                       -- invalid proper name
      {'date=Christmas, 1980'},                     -- extraneous comma
      {'date=Cristmas1980'},                        -- missing space
      {'date=Christmas 2000'},
      {'date=Easter 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< M M Y _ D A T E S >------------------------------------------------------------
]]

function p:test_mmy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=October–November 96'},                   -- invalid year
      {'date=October–November 5500'},                   -- invalid year
      {'date=Oktober–November 1980'},                   -- invalid 1st month
      {'date=Oktober–Novembre 1980'},                   -- invalid 2nd month
      {'date=october–November 1980'},                   -- invalid 1st month
      {'date=Sept–Nov 1980'},                       -- invalid 2nd month
      {'date=sep–Nov 1980'},                        -- invalid 1st month
      {'date=Sep–nov 1980'},                        -- invalid 2nd month
      {'date=Oct–November 1980'},                     -- mixed style
      {'date=October–Nov 1980'},                      -- mixed style
      {'date=Summer–November 1980'},                    -- mixed types
      {'date=October–Winter 1980'},                   -- mixed types
      {'date=October–November, 1980'},                  -- extraneous comma
      {'date=October –November 1980'},                  -- extraneous space
      {'date=October– November 1980'},                  -- extraneous space
      {'date=October–November1980'},                    -- missing space
      {'date=October-October 1980'},                    -- same months
      {'date=October-November 1980'},                   -- hyphen
      {'date=January–February 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< S S Y _ D A T E S >------------------------------------------------------------
]]

function p:test_ssy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=Spring–Summer 96'},                      -- invalid year
      {'date=Spring–Summer 5500'},                    -- invalid year
      {'date=spring–Summer 1980'},                    -- invalid 1st season
      {'date=Spring–summer 1980'},                    -- invalid 2nd season
      {'date=Spring–Spring 1980'},                    -- same season
      {'date=Autumn–Fall 1980'},                      -- same season
      {'date=Fall–Autumn 1980'},                      -- same season
      {'date=Spring–Summer, 1980'},                   -- extraneous comma
      {'date=Spring –Summer 1980'},                   -- extraneous space
      {'date=Spring– Summer 1980'},                   -- extraneous space
      {'date=Spring–Summer1980'},                     -- missing space
      {'date=Spring-Summer 1980'},                    -- hyphen
      {'date=Spring–Summer 2000'},
      {'date=Spring–Autumn 2000'},
      {'date=Spring–Fall 2000'},
      {'date=Spring–Winter 2000'},

      {'date=Summer–Autumn 2000'},
      {'date=Summer–Fall 2000'},
      {'date=Summer–Winter 2000'},
      {'date=Summer–Spring 2000'},

      {'date=Autumn–Winter 2000'},
      {'date=Autumn–Spring 2000'},
      {'date=Autumn–Summer 2000'},

      {'date=Fall–Winter 2000'},
      {'date=Fall–Spring 2000'},
      {'date=Fall–Summer 2000'},

      {'date=Winter–Spring 2000'},
      {'date=Winter–Summer 2000'},
      {'date=Winter–Autumn 2000'},
      {'date=Winter–Fall 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< M Y M Y _ D A T E S >----------------------------------------------------------
]]

function p:test_mymy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=October 95 – November 1996'},                -- invalid 1st year
      {'date=October 1995 – November 96'},                -- invalid 2nd year
      {'date=October 5500 – November 1996'},                -- invalid 1st year
      {'date=October 1995 – November 5500'},                -- invalid 2nd year
      {'date=Oktober 1979 – November 1980'},                -- invalid 1st month
      {'date=October 1979 – Novembre 1980'},                -- invalid 2nd month
      {'date=october 1979 – November 1980'},                -- invalid 1st month
      {'date=October 1979 – november 1980'},                -- invalid 2nd month
      {'date=Sept 1979 – Oct 1980'},                    -- invalid 1st month
      {'date=Sep 1979 – Okt 1980'},                   -- invalid 2nd month
      {'date=sep 1979 – Oct 1980'},                   -- invalid 1st month
      {'date=October, 1979 – November 1980'},               -- extraneous comma
      {'date=October 1979, – November 1980'},               -- extraneous comma
      {'date=October 1979 – November, 1980'},               -- extraneous comma
      {'date=October1979 – November 1980'},               -- missing space
      {'date=October 1979– November 1980'},               -- missing space
      {'date=October 1979 –November 1980'},               -- missing space
      {'date=October 1979 – November1980'},               -- missing space
      {'date=Oct 1979 – November 1980'},                  -- mixed month style
      {'date=October 1979 – Nov 1980'},                 -- mixed month style
      {'date=September 1980 – October 1979'},               -- invalid year order
      {'date=October 1979 – October 1979'},               -- missing space
      {'date=October 1979 - November 1980'},                -- hyphen
      {'date=January 1979 – February 2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< S Y Y _ D A T E S >------------------------------------------------------------
]]

function p:test_syy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=Summer 95–96'},                        -- invalid 1st year
      {'date=Summer 5500–01'},                      -- invalid 1st year
      {'date=Summer 1995–97'},                      -- invalid 2nd year
      {'date=Summer 1995–1997'},                      -- invalid 2nd year
      {'date=Summer 1995–95'},                      -- same year
      {'date=Summer 1995–1995'},                      -- same year
      {'date=Spring 1995–96'},                      -- invalid season
      {'date=Spring 1995–1996'},                      -- invalid season
      {'date=Autumn 1995–96'},                      -- invalid season
      {'date=Autumn 1995–1996'},                      -- invalid season
      {'date=Fall 1995–96'},                        -- invalid season
      {'date=Fall 1995–1996'},                      -- invalid season
      {'date=Summer 1995–96'},
      {'date=Summer 1995–1996'},
      {'date=Winter 1995–96'},
      {'date=Winter 1995–1996'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< Y Y _ D A T E S >--------------------------------------------------------------
]]

function p:test_yy_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=99–100'},                          -- invalid 1st year
      {'date=5500–100'},                          -- invalid 1st year
      {'date=1995–5500'},                         -- invalid 2nd year
      {'date=1995–997'},                          -- invalid 2nd year
      {'date=1995–1995'},                         -- same year
      {'date=100–99'},                          -- invalid 2nd year
      {'date=995–997'},
      {'date=995–1997'},
      {'date=1995–1997'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< Y 4 Y 2 _ D A T E S >----------------------------------------------------------
]]

function p:test_y4y2_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=999–00'},                          -- invalid 1st year
      {'date=5500–100'},                          -- invalid 1st year
      {'date=1995–5500'},                         -- invalid 2nd year
      {'date=2000–05'},                         -- invalid range
      {'date=1999–05'},                         -- invalid range
      {'date=1995–95'},                         -- same year
      {'date=1995–94'},                         -- invalid 2nd year
      {'date=1995–96'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< Y _ D A T E S >----------------------------------------------------------------
]]

function p:test_y_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=99'},                            -- invalid year
      {'date=5500'},                            -- invalid year
      {'date=995'},
      {'date=2000'},
    },
    {nowiki=false, templatestyles=true}
  )
end


--[[--------------------------< Y E A R _ D A T E _ M I S M A T C H >------------------------------------------
]]

function p:test_year_date_mismatch()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |', '}}', '{{cite book |title=Title |', '}}',
    {
      {'date=2020-06-13 |year=2020a'},                  -- valid: year has disambiguator
      {'date=2020-06-13 |year=2002a'},                  -- mismatch
      {'date=2020-06-13 |year=2020'},                   -- redundant year match
      {'date=2020-06-13 |year=2002'},                   -- mismatch
      {'date=13 June 2020 |year=2020'},                 -- redundant year match
      {'date=13 June 2020 |year=2002'},                 -- mismatch
      {'date=June 13, 2020 |year=2020'},                  -- redundant year match
      {'date=June 13, 2020 |year=2002'},                  -- mismatch
      {'date=13 June 2020 – 30 January 2021 |year=2020'},         -- redundant year match
      {'date=13 June 2020 – 30 January 2021 |year=2021'},         -- redundant year match
      {'date=13 June 2020 – 30 January 2021 |year=2002'},         -- mismatch
      {'date=June 13, 2020 – January 30, 2021 |year=2020'},       -- redundant year match
      {'date=June 13, 2020 – January 30, 2021 |year=2021'},       -- redundant year match
      {'date=June 13, 2020 – January 30, 2021 |year=2002'},       -- mismatch
      {'date=2020–2021 |year=2020'},                    -- redundant year match
      {'date=2020–2021 |year=2021'},                    -- redundant year match
      {'date=2020–2021 |year=2002'},                    -- mismatch
      {'date=2020–21 |year=2020'},                    -- redundant year match
      {'date=2020–21 |year=2021'},                    -- redundant year match
      {'date=2020–21 |year=2002'},                    -- mismatch
      {'date=2020 |year=2020'},                     -- redundant year match
      {'date=2020 |year=2002'},                     -- mismatch
    },
    {nowiki=false, templatestyles=true}
  )
end

--[[
=============================<< S P E C I A L   C A S E   T E S T I N G >>=====================================
]]

--[[--------------------------< T O D A Y _ P L U S _ O F F S E T _ G E T >------------------------------------

returns date offset from today by <offset> in <format> (#time parser function formatting)
  Y - four digit year
  m - two digit month
  M - abbreviated month name
  F - full month name
  d - zero-padded day
  j - day without zero-padding

<offset> must include units: days, months, years

]]

local function today_plus_offset_get (format, offset)
  return mw.getContentLanguage():formatDate(format, 'today ' .. offset and ('+ ' .. offset) or '');
end


--[[--------------------------< A C C E S S - D A T E >--------------------------------------------------------
]]

function p:test_access_dates()
    self:preprocess_equals_preprocess_many(
      '{{cite book/new |title=Title |url=https://example.com |', '}}', '{{cite book |title=Title |url=https://example.com |', '}}',
    {
      {'access-date=2001-01-14'},                     -- invalid date (before Wikipedia)
      {'access-date=January 14, 2001'},
      {'access-date=14 January 2001'},
      {'access-date=2001-01-15'},                     -- valid date (Wikipedia birthday)
      {'access-date=January 15, 2001'},
      {'access-date=15 January 2001'},
      {'access-date=' .. today_plus_offset_get('Y-m-d', '0 days')},   -- valid date (today)
      {'access-date=' .. today_plus_offset_get('Y-m-d', '1 days')},   -- valid date (tomorrow)
      {'access-date=' .. today_plus_offset_get('Y-m-d', '2 days')},   -- invalid date (day after tomorrow)
    },
    {nowiki=false, templatestyles=true}
  )
end


return p