diff --git a/src/test/java/edu/group5/app/model/user/UserTest.java b/src/test/java/edu/group5/app/model/user/UserTest.java
index b49f153..1e7277a 100644
--- a/src/test/java/edu/group5/app/model/user/UserTest.java
+++ b/src/test/java/edu/group5/app/model/user/UserTest.java
@@ -95,17 +95,42 @@ public void verifyPasswordReturnsTrueForCorrectPassword() {
   public void verifyPasswordReturnsFalseForIncorrectPassword() {
       User testUser = new User(TEST_USER_ID, TEST_ROLE, TEST_FIRST_NAME, TEST_LAST_NAME, TEST_EMAIL, TEST_PASSWORD_HASH);
       assertFalse(testUser.verifyPassword("wrongPassword"));
-    }
+  }
 
   @Test
   public void verifyPasswordReturnsFalseForNullPassword() {
     User testUser = new User(TEST_USER_ID, TEST_ROLE, TEST_FIRST_NAME, TEST_LAST_NAME, TEST_EMAIL, TEST_PASSWORD_HASH);
     assertFalse(testUser.verifyPassword(null));
-    }
+  }
 
   @Test
   public void verifyPasswordReturnsFalseForEmptyPassword() {
     User testUser = new User(TEST_USER_ID, TEST_ROLE, TEST_FIRST_NAME, TEST_LAST_NAME, TEST_EMAIL, TEST_PASSWORD_HASH);
     assertFalse(testUser.verifyPassword(""));
-    }
+  }
+
+  @Test
+  public void constructorWithNullRoleThrowsException() {
+    constructorTest(TEST_USER_ID, null, TEST_FIRST_NAME, TEST_LAST_NAME, TEST_EMAIL, TEST_PASSWORD_HASH, true);
+  }
+
+  @Test
+  public void constructorWithNullFirstNameThrowsException() {
+    constructorTest(TEST_USER_ID, TEST_ROLE, null, TEST_LAST_NAME, TEST_EMAIL, TEST_PASSWORD_HASH, true);
+  }
+
+  @Test
+  public void constructorWithNullLastNameThrowsException() {
+    constructorTest(TEST_USER_ID, TEST_ROLE, TEST_FIRST_NAME, null, TEST_EMAIL, TEST_PASSWORD_HASH, true);
+  }
+
+  @Test
+  public void constructorWithNullEmailThrowsException() {
+    constructorTest(TEST_USER_ID, TEST_ROLE, TEST_FIRST_NAME, TEST_LAST_NAME, null, TEST_PASSWORD_HASH, true);
+  }
+
+  @Test
+  public void constructorWithNullPasswordHashThrowsException() {
+    constructorTest(TEST_USER_ID, TEST_ROLE, TEST_FIRST_NAME, TEST_LAST_NAME, TEST_EMAIL, null, true);
+  }
 }