require 'test/unit'
#
#
#

  
class TC_Type_Conversions < Test::Unit::TestCase
	YearInput = Struct.new(:te_year, :available_years)
	
	def setup
		@inst = LocalImport.new
	end
	
	def test_closest_year
		puts("testing")
		# YearInput => expected chosen year
		cases = {
			YearInput.new(2001, []) => nil,			
			YearInput.new(2001, [2001]) => 2001,
	
			YearInput.new(2001, [2001, 2002]) => 2001,
			YearInput.new(2001, [2001, 2000]) => 2001,
			
			# When distances are equal, take the latest year.
			YearInput.new(2002, [2001, 2003]) => 2003,
			YearInput.new(2002, [2003, 2001]) => 2003,
			
			YearInput.new(2001, [2002, 2003]) => 2002,
			
			YearInput.new(2000, [1234, 2001]) => 2001,
			YearInput.new(2000, [1234, 1235]) => 1235
		}
		
		cases.each { |input, expected|
			output = @inst.send(:closest_year, input.te_year, input.available_years)
			puts("TEMP: testing")
			assert_equal(expected, output)
		}
	end
end