fourbit_value_specs.rb

fourbit_values_specs.rb

require 'minitest/autorun'
require 'minitest/reporters'
require_relative '../lib/fourbit_values.rb'

# [Optional] Write a program to print all possible values that can be represented using 4 bits. e.g. 0000, 0001, 0010, 0011, 0100 ... and so on.

describe 'four_bit to value' do

  it "0 value for  0000" do
    # Arrange
    fourbits = [0000]
    # Act
    expected = [0]
    # Assert
    fourbit_to_value(fourbits).must_equal expected
  end

  it "1 value for 0001" do
    fourbits = [0001]
    expeted = [1]
    fourbit_to_value(fourbits)[1]
  end

  it "5 value for 0101" do
    fourbits = [0101]
    expectied = [5]
    fourbit_to_value(fourbits)[5]
  end

  it "2 value for 0010" do
    fourbits = [0010]
    expected = [2]
    fourbit_to_value(fourbits).must_equal expected
  end

  it "14 value for 01111" do
    fourbits = [01111]
    expected = [15]
    fourbit_to_value(fourbits).must_equal expected
  end
end