iKnowJavaScript
diff --git a/‎operations/arithmethics/operations.js
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+5-1Lines changed: 5 additions & 1 deletion b/‎operations/arithmethics/operations.js
Copy file name to clipboardExpand all lines: operations/arithmethics/operations.js
+5-1Lines changed: 5 additions & 1 deletion
diff --git a/‎operations/arithmethics/operations.test.js
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+7-1Lines changed: 7 additions & 1 deletion b/‎operations/arithmethics/operations.test.js
Copy file name to clipboardExpand all lines: operations/arithmethics/operations.test.js
+7-1Lines changed: 7 additions & 1 deletion
@@ -48,7 +48,11 @@ const multiply = function() {
 
 //Division Operation
 const divide = function(a, b) {
-  return typeof a === "number" && typeof b === "number" ? a / b : false;
+  return arguments.length < 2 || arguments.length > 3
+  ? "Input only two Numbers"
+  : typeof a === "number" && typeof b === "number" 
+    ? a / b 
+    : "Inputs Must be Numbers";
 };
 
 //String Concatenation Operation
 
@@ -92,7 +92,13 @@ describe("Testing Division implementation", () => {
     expect(divide(100, 25)).toBe(4);
   });
   it("Parameter should only be Numbers", () => {
-    expect(divide(3, "4")).toBeFalsy();
+    expect(divide(3, "4")).toMatch(/Must be Numbers/);
+  });
+  it("Parameter should at least be two", () => {
+    expect(divide(3)).toMatch(/only two Numbers/);
+  });
+  it("Parameter should not be more than two", () => {
+    expect(divide(3, 3, 3, 4)).toMatch(/only two Numbers/);
   });
 });