Answer the following questions using JUnit and EclEmma to achieve $100\%$ coverage:

o In class Product.java, test the following functions using Statement and Decision

coverage, knowing that:

$$ setName: a valid name consists of alphabetical characters with lengths

between $1$ and $10.$ In case of invalid names, the function will throw

IllegalArgumentException.

$$ setPrice: a valid price is a decimal value between $0\mathrm{.}01$ and $1000.$ In case

of invalid prices, the function will throw IllegalArgumentException.

o In class Store.java, test the following function using condition$-$decision

coverage, knowing that:

$$ computeShippingCost: This function calculates the shipping cost based

on the total price in cart. The function returns the following:

$$ cart is empty: throw IllegalStateException

$$ total $<100$: shipping cost $20$

$100<=$ total $<500$: shipping cost $10$

$$ total $>=500$: shipping is free

o In class Store.java, test the following function using multiple$-$condition

coverage, knowing that:

$$ calculateDiscount: the function computes the total percentage of the

discount a user will get as follows: The user will get a discount of $5\%$ if the

total price of cart is greater than $100$ and less than or equal to $500.$ A

discount of $7\%$ is given if the total is over $500.$ If the user is a new customer,

then she will receive an extra $10\%$ discount. Noting that discounts can be added

up$.$

o In class Cart.java, test the following function using loop coverage, knowing that:

$$ total: the function will compute the total cost of items in cart and return

the total as decimal value. In case the cart was empty the function will

return $0.$

Note: You are expected to achieve $100\%$ coverage in testing all the functions above. Your

code will be graded accordingly. i need code