System.assertEquals()

System.assertEquals()

Public class AssertDemo {
    
    public void NewContact(String LastNameStr, String EmailStr) {
        Contact ConInstance = new Contact(LastName = LastnameStr,Email = EmailStr);
        Insert ConInstance;
        System.assertEquals('SFDCDOTCOM',ConInstance.LastName);
    }
}


 //the lastname of the Contact should be 'SFDCDOTCOM'. If we give the lastname

 // other than 'SFDCDOTCOM', it will throw error.