elm/exercises/difference-of-squares/DifferenceOfSquaresTests.elm
Erik Simmler 8f82b36223 Fix tests (#106)
Fixes #100

* Upgrade Node Test Runner and Test Files
* Avoid Installing Deps in Each Exercise
2016-08-22 20:31:41 -04:00

47 lines
1.6 KiB
Elm

port module Main exposing (..)
import Test.Runner.Node exposing (run)
import Json.Encode exposing (Value)
import Test exposing (..)
import Expect
import DifferenceOfSquares exposing (squareOfSum, sumOfSquares, difference)
tests : Test
tests =
describe "DifferenceOfSquares"
[ describe "square the sum of the numbers up to the given number"
[ test "square of sum 5" <|
\() -> Expect.equal 225 (squareOfSum 5)
, test "square of sum 10" <|
\() -> Expect.equal 3025 (squareOfSum 10)
, test "square of sum 100" <|
\() -> Expect.equal 25502500 (squareOfSum 100)
]
, describe "sum the squares of the numbers up to the given number"
[ test "sum of squares 5" <|
\() -> Expect.equal 55 (sumOfSquares 5)
, test "sum of squares 10" <|
\() -> Expect.equal 385 (sumOfSquares 10)
, test "sum of squares 100" <|
\() -> Expect.equal 338350 (sumOfSquares 100)
]
, describe "subtract sum of squares from square of sums"
[ test "difference of squares 0" <|
\() -> Expect.equal 0 (difference 0)
, test "difference of squares 5" <|
\() -> Expect.equal 170 (difference 5)
, test "difference of squares 10" <|
\() -> Expect.equal 2640 (difference 10)
, test "difference of squares 100" <|
\() -> Expect.equal 25164150 (difference 100)
]
]
main : Program Value
main =
run emit tests
port emit : ( String, Value ) -> Cmd msg