test multoply and divide

src/exercises/divide/index.test.ts

@@ -1,17 +1,26 @@
-import {divide} from "./index";
+import { divide } from "./index";
 
-describe("Test multiply", () => {
+describe("Test divide", () => {
-  it.each([
+    it.each([
-    { a: 2, b : 1, expected: 2 },
+        { a: 2, b: 1, expected: 2 },
-  ])(
+        { a: 10, b: 2, expected: 5 },
-      "should return multiplication of A by B",
+        { a: 50, b: 5, expected: 10 },
-      ({ a, b, expected }) => {
+    ])(
+        "should return division of $b by $a",
+        ({ a, b, expected }) => {
+            // act
+            const result = divide(a, b);
+            // assert
+            expect(result).toEqual(expected);
+            console.log(`Test with a = ${a}, b = ${b}, expected = ${expected}, result = ${result}`);
+        }
+    );
+
+    it("should throw an exception when dividing by zero", () => {
         // arrange
-        // act
+        const a = 7;
-        const result = divide(a,b);
+        const b = 0;
-        // assert
+        // act & assert
-        expect(result).toEqual(expected);
+        expect(() => divide(a, b)).toThrow("Division by zero");
-      }
+    });
-  );
+});
-});
-

src/exercises/multiply/index.test.ts

@@ -2,15 +2,19 @@ import {multiply} from "./index";
 
 describe("Test multiply", () => {
   it.each([
-    { a: 1, b : 2, expected: 2 },
+      { a: 1, b : 2, expected: 2 },
+      { a: 6, b : 7, expected: 42 },
+      { a: 10, b : 5, expected: 50 },
+      { a: 0, b : 5, expected: 0},
   ])(
-      "should return multiplication of A by B",
+      `should return multiplication of $a by $b`,
       ({ a, b, expected }) => {
         // arrange
         // act
         const result = multiply(a,b);
         // assert
         expect(result).toEqual(expected);
+        console.log(`Test with a = ${a}, b = ${b}, expected = ${expected}, result = ${result}`);
       }
   );
 });