feat(XIV): failing implementation for 14

antonydenyer · Nov 16, 2017 · 7e055fc · 7e055fc
1 parent 2385106
commit 7e055fc
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/lib/roman.ex b/lib/roman.ex
@@ -16,8 +16,8 @@ defmodule Roman do
     to_roman(number - 5, "V")
   end
 
-  def to_roman(number) when number >= 4 do
+  def to_roman(number, roman_accumulator) when number >= 4 do
-    to_roman(number - 4, "IV")
+    to_roman(number - 4, roman_accumulator <> "IV")
   end
 
   def to_roman(number) do

diff --git a/test/roman_test.exs b/test/roman_test.exs
@@ -33,4 +33,7 @@ defmodule RomanTest do
     assert Roman.to_roman(11) == "XI"
   end
 
+  test "forteen is XIV" do
+    assert Roman.to_roman(14) == "XIV"
+  end
 end