Calculate Daily Calorie Intake

Calculate Daily Calorie Intake (metric or imperial)

Description: Calculates the suggested daily amount of calories to consume to hit a target weight in a given time frame based on inputs.

Actors: All registered users.

Precondition: A user is on the home page.

Actions: The user clicks on the "daily calorie intake suggestion" button.The user then inputs the following:

Current Calorie Intake (cal) (integer >= 1)
Current Weight (kg or lb) (integer >= 1)
Target Weight (kg or lb) (integer >= 1)
Number of Days (integer >= 1)

The user then clicks on “Calculate”

Postcondition: The suggested daily calorie intake should be successfully calculated and will be displayed.

Depending on your inputs (extreme or unrealistic), the following statements may be displayed instead:

“That goal is unrealistic. Either your current calorie intake is not high enough to support weight loss or you are trying to lose too much weight in too short a time.”

“That goal is unrealistic. You are trying to gain too much weight in too short of a time.”

Test Cases:

Case 1: User leaves any input field blank or inputs a non-integer.

Error: “Please enter a number.”

Case 2: User inputs a negative integer.

Error: “Please select a value that is no less than 1.”

Iteration: 3