Contents

local diff = require('difference-of-squares')

describe('difference-of-squares', function()
  describe('square_of_sums', function()
    it('should square the sum of the numbers up to the given number', function()
      assert.equal(225, diff.square_of_sums(5))
      assert.equal(3025, diff.square_of_sums(10))
      assert.equal(25502500, diff.square_of_sums(100))
    end)
  end)

  describe('sum_of_squares', function()
    it('should sum the squares of the numbers up to the given number', function()
      assert.equal(55, diff.sum_of_squares(5))
      assert.equal(385, diff.sum_of_squares(10))
      assert.equal(338350, diff.sum_of_squares(100))
    end)
  end)

  describe('difference_of_squares', function()
    it('should subtract sum of squares from square of sums', function()
      assert.equal(0, diff.difference_of_squares(0))
      assert.equal(170, diff.difference_of_squares(5))
      assert.equal(2640, diff.difference_of_squares(10))
      assert.equal(25164150, diff.difference_of_squares(100))
    end)
  end)
end)

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.179	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.178	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.177	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.176	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.175	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.174	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.173	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.172	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.171	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.170	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.169	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.167	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.166	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.165	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.164	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.163	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.162	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.161	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua
trackler-2.2.1.160	tracks/lua/exercises/difference-of-squares/difference-of-squares_spec.lua