Added test coverage for failure case

bradhanson · bradhanson · commit 22b399c25f38 · 2018-08-04T21:46:39.000-04:00
diff --git a/medium/array_min_jumps.test.js b/medium/array_min_jumps.test.js
@@ -10,4 +10,8 @@ describe('arrayMinJumps()', () => {
             arrayMinJumps([1, 3, 6, 8, 2, 7, 1, 2, 1, 2, 6, 1, 2, 1, 2])
         ).toBe(4);
     });
+
+    test('returns -1 if unable to reach end', () => {
+        expect(arrayMinJumps([1, 0, 0, 0, 3])).toBe(-1);
+    });
 });
