All test cases pass for infinite Division operation

iKnowJavaScript · iKnowJavaScript · commit 94704c013921 · 2019-04-09T09:17:30.000+01:00
diff --git a/operations/operations.js b/operations/operations.js
@@ -23,6 +23,7 @@ const subtract = function(a, b) {
   return typeof a === "number" && typeof b === "number" ? a - b : false;
 };
 
+//Multiplication Operation
 const multiply = function() {
   let total = 1;
   for (let arg in arguments) {
@@ -37,4 +38,9 @@ const multiply = function() {
   return total;
 };
 
-module.exports = { add, addAll, subtract, multiply };
+//DIvision Operation
+const divide = function (a, b) {
+  return typeof a === "number" && typeof b === "number" ? a / b : false;
+}
+
+module.exports = { add, addAll, subtract, multiply, divide };
diff --git a/operations/operations.test.js b/operations/operations.test.js
@@ -1,4 +1,4 @@
-const { add, addAll, subtract, multiply } = require("./operations");
+const { add, addAll, subtract, multiply, divide } = require("./operations");
 
 //Testing Add implementation
 describe("Testing Add implementation", () => {
@@ -37,7 +37,7 @@ describe("Testing Subbtaction implementation", () => {
   it("Subtraction of 23 and 50", () => {
     expect(subtract(23, 50)).toBe(-27);
   });
-  it("Subtraction of 21 and 111", () => {
+  it("Subtraction of 111 and 21", () => {
     expect(subtract(111, 21)).toBe(90);
   });
   it("Parameter should only be Numbers", () => {
@@ -50,10 +50,10 @@ describe("Testing Multiply implimentation", () => {
   it("Multiplication of 4 and 4", () => {
     expect(multiply(4, 4)).toBe(16);
   });
-  it("Multiplication of 1 and 1", () => {
+  it("Multiplication of many numbers", () => {
     expect(multiply(1, 1, 2, 3, 4)).toBe(24);
   });
-  it("Multiplication of 1 and 1", () => {
+  it("Multiplication of 11 and -8", () => {
     expect(multiply(11, -8)).toBe(-88);
   });
   it("Multiplication of 1132 and 1131331", () => {
@@ -65,4 +65,17 @@ describe("Testing Multiply implimentation", () => {
     }
     expect(logError).toThrowError(Error);
   });
-});
+});
+
+//Testing Division implementation
+describe("Testing Division implementation", () => {
+  it("Subtraction of 1 and 2", () => {
+    expect(divide(1, 2)).toBe(0.5);
+  });
+  it("Subtraction of 100 and 25", () => {
+    expect(divide(100, 25)).toBe(4);
+  });
+  it("Parameter should only be Numbers", () => {
+    expect(divide(3, "4")).toBeFalsy();
+  });
+});
