Validation Checks done in 'Online Fresh Food Store'

Few checks and validations that are performed by the software are listed below:

• If the language is not defined, the default language will be english.
• If a particular product is already added in the cart and the user again presses the “add to cart button”, the quantity will be incremented instead of adding the same product again.
• If the user removes a product from the shopping cart, the software confirms by showing a message before deleting the product.
• If there is no product in the shopping cart and the user views the manage cart page, the checkout button is not displayed. 
• If the ordered amount is less than the minimum order amount then a promt will be shown to the user.
• The following details must be specified while providing the billing information: country, name, card information, address, city, email and phone number.
• If the quantity is updated on the shopping cart page then the total is calculated again.