Add test and example for Sum of Multiples

SumOfMultiples/SumOfMultiplesExample.elm

@@ -0,0 +1,9 @@
+module SumOfMultiplesExample where
+
+sumOfMultiples : List Int -> Int -> Int
+sumOfMultiples factors upperLimit =
+  List.sum (List.filter (isMultipleOfAnyFactor factors) [1 .. (upperLimit - 1)])
+
+isMultipleOfAnyFactor : List Int -> Int -> Bool
+isMultipleOfAnyFactor factors candidate =
+  List.any (\factor ->  candidate % factor == 0) factors

SumOfMultiples/SumOfMultiplesTest.elm

@@ -0,0 +1,22 @@
+module SumOfMultiplesTest where
+
+-- TODO - remove example inclusion once Problem sets are ready to go live or CI is set up.
+
+import ElmTest.Test exposing (test, Test, suite)
+import ElmTest.Assertion exposing (assert, assertEqual)
+import ElmTest.Runner.Element exposing (runDisplay)
+
+import SumOfMultiplesExample exposing (sumOfMultiples)
+
+tests : Test
+tests = suite "Sum Of Multiples Test Suite"
+  [ test "[3, 5] 15" (assertEqual 45 (sumOfMultiples [3, 5] 15)),
+    test "[7, 13, 17] 20" (assertEqual 51 (sumOfMultiples [7, 13, 17] 20)),
+    test "[4, 6] 15" (assertEqual 30 (sumOfMultiples [4, 6] 15)),
+    test "[5, 6, 8] 150" (assertEqual 4419 (sumOfMultiples [5, 6, 8] 150)),
+    test "[43, 47] 10000" (assertEqual 2203160 (sumOfMultiples [43, 47] 10000)),
+    test "[5, 25] 51" (assertEqual 275 (sumOfMultiples [5, 25] 51))
+
+  ]
+
+main = runDisplay tests

elm-package.json

@@ -19,7 +19,10 @@
         "./exercises/triangle",
         "Leap",
         "Accumulate",
-        "Sublist"
+        "RNATranscription",
+        "Sublist",
+        "Bob",
+        "sumOfMultiples"
     ],
     "exposed-modules": [],
     "dependencies": {