vamo q vamo

Signed-off-by: Marcus V. <mvrp21@inf.ufpr.br>

index.js

-module.exports = function addNumbers(a, b) {
-  // aaaa
+function addNumbers(a, b) {
   return a + b;
 }
+
+function subNumbers(a, b) {
+  return addNumbers(a, -b);
+}
+
+module.exports = {
+  addNumbers,
+  subNumbers,
+}

index.test.js

-const addNumbers = require('./index');
+const { addNumbers, subNumbers } = require('./index');
 
 test('adds 1 + 2 to equal 3', () => {
   expect(addNumbers(1, 2)).toBe(3);
@@ -7,3 +7,11 @@ test('adds 1 + 2 to equal 3', () => {
 test('adds -1 + 2 to equal 1', () => {
   expect(addNumbers(-1, 2)).toBe(1);
 });
+
+test('subs 1 - 2 to equal -1', () => {
+  expect(subNumbers(1, 2)).toBe(-1);
+});
+
+test('subs -1 - 2 to equal -3', () => {
+  expect(subNumbers(-1, 2)).toBe(-3);
+});