wyncode_methods2.rb

module WyncodeMethods
	
	def self.convert_the_letter_A_into_a_Fixnum(s, *rest)
 	 s.to_i if s.respond_to? :to_i
	end

	def self.convert_to_interger(n, *rest)
	 n.to_i if n.respond_to? :to_i
	end

	def self.Write_the_expression_1_plus_1_in_two_different_but_equal_ways(left, right)
	left + right
	end

	def self.flatten_array(array, *rest)
	array.flatten if array.respond_to? :flatten
	end

	def self.compare_strings(str1, str2, *rest)
		if str1.is_a?(String) and str2.is_a?(String)
			if str2 > str1 
				-1
			elsif str2 == str1 
				0
			else 
				1
			end
		end
	end

end

wyncode_methods_tests.rb

module WyncodeTests

	def self.test_convert_the_letter_A_into_a_Fixnum
		puts WyncodeMethods.convert_the_letter_A_into_a_Fixnum("A") == 0
		#only enter letters
	end


	def self.test_convert_to_interger
		puts WyncodeMethods.convert_to_interger(33.50*100) == 3350 
		puts WyncodeMethods.convert_to_interger("") == 0
		puts WyncodeMethods.convert_to_interger([]) == nil
		puts WyncodeMethods.convert_to_interger({}) == nil
	end


	def self.test_Write_the_expression_1_plus_1_in_two_different_but_equal_ways
		puts WyncodeMethods.Write_the_expression_1_plus_1_in_two_different_but_equal_ways(1, 1) == 2
		puts WyncodeMethods.Write_the_expression_1_plus_1_in_two_different_but_equal_ways(1.0, 1) == 2

	end


	def self.test_flatten_array
		puts WyncodeMethods.flatten_array([[1,2,3],[:a,:b,:c]]) == [1,2,3,:a,:b,:c]
		puts WyncodeMethods.flatten_array("").nil?
		puts WyncodeMethods.flatten_array({}) == []
		puts WyncodeMethods.flatten_array(3,4,5).nil?
	end


	def self.test_compare_strings
		puts WyncodeMethods.compare_strings("A","a") == -1
		puts WyncodeMethods.compare_strings("","") == 0
		puts WyncodeMethods.compare_strings("a","A") == 1
		puts WyncodeMethods.compare_strings("nil","1") == 1
		puts WyncodeMethods.compare_strings(2,3).nil?
		puts WyncodeMethods.compare_strings([],[]).nil?
		puts WyncodeMethods.compare_strings({},{}).nil?
	end
	

end

wyncode_module_require.rb

require "./wyncode_methods2.rb"
require "./wyncode_methods_tests.rb"


WyncodeTests.test_convert_the_letter_A_into_a_Fixnum
WyncodeTests.test_convert_to_interger 
WyncodeTests.test_Write_the_expression_1_plus_1_in_two_different_but_equal_ways
WyncodeTests.test_flatten_array
WyncodeTests.test_compare_strings