test_Login button in LoginGUI

src/main/java/LoginGUI.java

@@ -14,7 +14,28 @@ public class LoginGUI extends JFrame implements ActionListener {
     private JButton loginButton;
     private JCheckBox stayLoggedInCheckbox;
     private JButton signUpButton;
+    
+    public JTextField getUsernameField() {
+        return usernameField;
+    }
+
+    public JPasswordField getPasswordField() {
+        return passwordField;
+    }
+
+    public JButton getLoginButton() {
+        return loginButton;
+    }
 
+    public JCheckBox getStayLoggedInCheckbox() {
+        return stayLoggedInCheckbox;
+    }
+
+    public JButton getSignUpButton() {
+        return signUpButton;
+    }
+
+    
     public LoginGUI() {
         setTitle("Login");
         setSize(300, 220);

src/test/java/LoginGUITest.java

@@ -0,0 +1,21 @@
+import static org.junit.jupiter.api.Assertions.*;
+import org.junit.jupiter.api.Test;
+import java.awt.event.ActionEvent;
+
+class LoginGUITest {
+
+	@Test
+    public void testActionPerformed_LoginButton() {
+        LoginGUI loginGUI = new LoginGUI();
+        loginGUI.getUsernameField().setText("testUser");
+        loginGUI.getPasswordField().setText("testPassword");
+        loginGUI.getStayLoggedInCheckbox().setSelected(true);
+
+        // Simulate action performed event on login button
+        loginGUI.actionPerformed(new ActionEvent(loginGUI.getLoginButton(), ActionEvent.ACTION_PERFORMED, null));
+
+        // Verify if login was successful
+        assertFalse(loginGUI.isVisible());
+    }
+
+}