binary_tree_test.rb

require 'minitest/autorun'
require_relative 'binary_tree'

class BinaryTreeTest < Minitest::Test
	def test_data_is_saved
		assert_equal 7, BinaryTree.new(7).value
	end

	def test_inserting_left
		seven = SortBinaryTree.new(7)  
		seven.insert_node(4) 
		assert_equal 7, seven
		assert_equal 4, seven.left.value
	end

	def test_inserting_right
		seven = SortBinaryTree.new(7) 
		seven.insert_node(9)
		assert_equal 7, seven
		assert_equal 9, seven.right.value
	end

	def test_complex
		seven = SortBinaryTree.new(7) 
		seven.insert_node(4)
		seven.insert_node(9)
		seven.insert_node(1)
		seven.insert_node(6)
		seven.insert_node(14)
		seven.insert_node(10)
		assert_equal 7, seven
		assert_equal 4, seven.left.value
		assert_equal 9, seven.right.value
		assert_equal 1, seven.left.left.value
		assert_equal 6, seven.left.right.value
		assert_equal 14, seven.right.right.value
		assert_equal 10, seven.right.right.left.value
	end

end