fizzbuzz generator creates an array with the input value as the upper limit

fizzbuzz_generator.rb

# FizzBuzz_Generator.rb
require 'json'
require 'rspec'
class FizzBuzzGenerator < Array

	def initialize(high_value = 0)
		@highest_value = high_value.to_i

			# Error test
		self << "Zero, negative numbers, strings that describe a number, and nil not supported" if (@highest_value <= 0)

			# if not error, then create the array contents
		if @highest_value > 0 then
			for test_number in 1..@highest_value do
		  		self << "#{test_number}  fizz  " if (test_number %  3 == 0 && test_number % 5 != 0)
		  		self << "#{test_number}  buzz  " if (test_number %  5 == 0 && test_number % 3 != 0)
		  		self << "#{test_number}  fizzbuzz  " if (test_number %  15 == 0)
		  		self << "#{test_number}  " if (test_number %  3 != 0 && test_number % 5 != 0)
			end
		end
	end
end