4 double Kilo ToPounds (double kilos) { 5 // This statement intentionally has an error. 6 return (kilos / 2.204); 7 } 8 9 int main() { 10 11 12 13 14 15 16 17 18 70 double kilos; double pounds; cin >> kilos; pounds KiloToPounds (kilos); cout << pounds << " lbs" << endl; return 0;

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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4 double KiloToPounds (double kilos) {
5 // This statement intentionally has an error.
6
return (kilos / 2.204);
}
8
9 int main() {
10
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14
15
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17
18
197
double kilos;
double pounds;
cin >> kilos;
pounds
= KiloToPounds (kilos);
cout << pounds << " lbs" << endl;
return 0;
Transcribed Image Text:4 double KiloToPounds (double kilos) { 5 // This statement intentionally has an error. 6 return (kilos / 2.204); } 8 9 int main() { 10 11 12 13 14 15 16 17 18 197 double kilos; double pounds; cin >> kilos; pounds = KiloToPounds (kilos); cout << pounds << " lbs" << endl; return 0;
6.21 Lab training: Unit tests to evaluate your program
Auto-graded programming assignments may use a Unit test to test small parts of a program. Unlike a Compare output test, which evaluates
your program's output for specific input values, a Unit test evaluates individual functions to determine if each function:
• is named correctly and has the correct parameters and return type
• calculates and returns the correct value (or prints the correct output)
This example lab uses multiple unit tests to test the Kilo ToPounds() function.
Complete a program that takes a weight in kilograms as input, converts the weight to pounds, and then outputs the weight in pounds. 1
kilogram = 2.204 pounds (lbs).
Ex: If the input is:
10
the output is:
22.04 lbs
Note: Your program must define the function
double KiloToPounds (double kilos)
The program below has an error in the KiloToPounds() function.
1. Try submitting the program for grading (click "Submit mode", then "Submit for grading"). Notice that the first two test cases fail, but
the third test case passes. The first test case fails because the program outputs the result from the KiloToPounds() function, which
has an error. The second test case uses a Unit test to test the Kilo ToPounds() function, which fails.
2. Change the Kilo ToPounds() function to multiply the variable kilos by 2.204, instead of dividing. The return statement should be:
return (kilos * 2.204); Submit again. Now the test cases should all pass.
Note: A common error is to mistype a function name with the incorrect capitalization. Function names are case sensitive, so if a lab
Transcribed Image Text:6.21 Lab training: Unit tests to evaluate your program Auto-graded programming assignments may use a Unit test to test small parts of a program. Unlike a Compare output test, which evaluates your program's output for specific input values, a Unit test evaluates individual functions to determine if each function: • is named correctly and has the correct parameters and return type • calculates and returns the correct value (or prints the correct output) This example lab uses multiple unit tests to test the Kilo ToPounds() function. Complete a program that takes a weight in kilograms as input, converts the weight to pounds, and then outputs the weight in pounds. 1 kilogram = 2.204 pounds (lbs). Ex: If the input is: 10 the output is: 22.04 lbs Note: Your program must define the function double KiloToPounds (double kilos) The program below has an error in the KiloToPounds() function. 1. Try submitting the program for grading (click "Submit mode", then "Submit for grading"). Notice that the first two test cases fail, but the third test case passes. The first test case fails because the program outputs the result from the KiloToPounds() function, which has an error. The second test case uses a Unit test to test the Kilo ToPounds() function, which fails. 2. Change the Kilo ToPounds() function to multiply the variable kilos by 2.204, instead of dividing. The return statement should be: return (kilos * 2.204); Submit again. Now the test cases should all pass. Note: A common error is to mistype a function name with the incorrect capitalization. Function names are case sensitive, so if a lab
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