for review 4

Author: baotran87

baotran87/lesson1/challenge1.js

@@ -1,3 +1,5 @@
+var unitTest = require('./testUtil');
+
 function sumMultiples(x, y, z) {
     let sum = 0;
     for (let i = 0; i < z; i++)
@@ -71,4 +73,12 @@ console.log(sumMultiples(3, 5, 1000));
 console.log(sumEvenFibonacci(4000000));
 console.log(largestPrimeFactor(600851475143));
 console.log(largestPrimeFactor(16));
-console.log(dayOfTheWeek(13, 10, 2022));
+console.log(dayOfTheWeek(13, 10, 2022));
+
+unitTest.test('timUocNguyenToLonNhat', () => {
+    expect(largestPrimeFactor(600851475143)).toBe(6857);
+})
+
+unitTest.test('tinhTongSoFibonacciChan', () => {
+    expect(sumEvenFibonacci(4000000)).toBe(4613731);
+})

baotran87/lesson1/practice1.js

@@ -8,13 +8,13 @@ function printEvenNumber(x) {
 function printMultiTable(x) {
     for (let i = 1; i <= 10; i++)
     {
-        let Row = '';
+        let row = '';
         for (let j = 1; j <= x; j++)
         {
             let k = i * j;
-            Row = Row + j.toString().padStart(2) + ' x ' + i.toString().padStart(2) + ' = ' + k.toString().padStart(2) + '|';
+            row = row + j.toString().padStart(2) + ' x ' + i.toString().padStart(2) + ' = ' + k.toString().padStart(2) + '|';
         }
-        console.log(Row);
+        console.log(row);
     }
 }
 

baotran87/lesson1/testUtil.js

@@ -0,0 +1,22 @@
+function expect (value) {
+    return {
+        toBe: (toBeValue) => {
+            if (toBeValue === value) {
+                console.log('Pass！')
+            } else {
+                throw new Error('Error！')
+            }
+        }
+    }
+}
+
+function test (msg, func) {
+    try {
+        func()
+        console.log(`${msg} ket thuc kiem thu`)
+    } catch (err) {
+        console.error(`${msg} Tra lai ket qua loi`)
+    }
+}
+
+module.exports = {expect, test};