Added check for modulo on prompt 4

Added test to prompt 4 isEven that modulo isn't used.
zan-rosenthal · Mar 20, 2016 · 119fe6b · 119fe6b
1 parent 12de2f4
commit 119fe6b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/spec/part1.js b/spec/part1.js
@@ -144,6 +144,10 @@
         expect(typeof(isEven(-4))).to.equal('boolean');
       });
 
+      it("should not use modulo", function() {
+        expect(isEven.toString()).to.not.contain('%');
+      });
+
       it('should return true for even numbers', function() {
         expect(isEven(118)).to.equal(true);
         expect(isEven(10)).to.equal(true);