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// Write two tests for the following functions

// Get full name

// 1. Write a function that takes two input `firstName` and `lastName` and returns full name. You will get the full name by adding first and last name with an space.

// 2. After writing the function write two tests for above function

// 3. Make first test fail to see the result of the second test

function fullName(firstName = "", lastName = "") {

return firstName + " " + lastName;

};

let result = fullName("Arya");

let expected = "Arya Stark";

let result = fullName("John", "Snow");

let expected = "John Snow";

if(result !== expected) {

throw new Error(`${result} is not equal to ${expected}`)

}

// Calculate total amount

// 1. Write a function that takes two input `amount` and `taxRate` and returns the total amount by `amount + (amount * taxRate) `

// 2. Write two tests for the above function

// 3. Make the first test fail to see the result for the second

function totalAmount(amount, taxRate) {

return amount + (amount * taxRate)

}

let result = totalAmount(25, 5);

let expected = 50;

let result = totalAmount(30, 3);

let expected = 120;

if (result !== expected) {

throw new Error(`${result} is not equal to ${expected}`)

}