diff --git a/lab1/main_test.js b/lab1/main_test.js
index 74a716b4..20f307e1 100644
--- a/lab1/main_test.js
+++ b/lab1/main_test.js
@@ -3,21 +3,36 @@ const assert = require('assert');
 const { MyClass, Student } = require('./main');
 
 test("Test MyClass's addStudent", () => {
-    // TODO
-    throw new Error("Test not implemented");
+    // Case 0
+    let testStudent = new Student();
+    let testClass = new MyClass();
+    testStudent.setName(userName='testStudent');
+    assert.strictEqual(testClass.addStudent(testStudent), 0);
+    // throw new Error("Test not implemented");
 });
 
 test("Test MyClass's getStudentById", () => {
-    // TODO
-    throw new Error("Test not implemented");
+    let testStudent = new Student();
+    let testClass = new MyClass();
+
+    testStudent.setName(userName='testStudent');
+    testClass.addStudent(testStudent);
+
+    selectedStudent = testClass.getStudentById(0);
+    assert.strictEqual(selectedStudent.getName(), 'testStudent');
+    // throw new Error("Test not implemented");
 });
 
 test("Test Student's setName", () => {
-    // TODO
-    throw new Error("Test not implemented");
+    testStudent = new Student();
+    testStudent.setName(userName='testStudent');
+    assert.strictEqual(testStudent.getName(), 'testStudent');
+    //throw new Error("Test not implemented");
 });
 
 test("Test Student's getName", () => {
-    // TODO
-    throw new Error("Test not implemented");
+    testStudent = new Student();
+    testStudent.setName(userName='testStudent');
+    assert.strictEqual(testStudent.getName(), 'testStudent');
+    //throw new Error("Test not implemented");
 });
\ No newline at end of file