Wine Glass Homework (write two more tests)

wine_glass.rb

class WineGlass
	attr_accessor :material, :volume, :stem_length
	def pretty_print_material
		"Material : #{material}"
	end
	def	pretty_print_stuff
		return "This wine glass is cool. It has a stem length of 5 and a volume of 69ml"
	end	
end

require 'minitest/autorun'

class TestWineGlass < MiniTest::Unit::TestCase
	def setup
		@wg =WineGlass.new
	end
	def test_that_wine_glasses_have_volume
		assert_respond_to @wg, :volume
	end
	def test_that_wg_had_a_pretty_print_for_material
		@wg.material ='marble'
		assert_equal "Material : #{@wg.material}", @wg.pretty_print_material
	end
	def test_wg_pretty_prints_stem_length_and_volume
		assert_equal "This wine glass is cool. It has a stem length of 5 and a volume of 69ml", @wg.pretty_print_stuff
	end
end