CPP08 1.0
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main.cpp
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1/* ************************************************************************** */
2/* */
3/* ::: :::::::: */
4/* main.cpp :+: :+: :+: */
5/* +:+ +:+ +:+ */
6/* By: kamitsui <kamitsui@student.42tokyo.jp> +#+ +:+ +#+ */
7/* +#+#+#+#+#+ +#+ */
8/* Created: 2025/08/22 00:03:49 by kamitsui #+# #+# */
9/* Updated: 2025/08/22 00:05:00 by kamitsui ### ########.fr */
10/* */
11/* ************************************************************************** */
12
24#include "Span.hpp"
25#include <cstdlib> // For rand() and srand()
26#include <ctime> // For time()
27#include <iostream>
28#include <vector>
29
33void subject_test() {
34 std::cout << "--- Subject Test ---" << std::endl;
35 Span sp = Span(5);
36
37 sp.addNumber(6);
38 sp.addNumber(3);
39 sp.addNumber(17);
40 sp.addNumber(9);
41 sp.addNumber(11);
42
43 std::cout << "Shortest span: " << sp.shortestSpan() << std::endl; // Should be 2 (9 - 11)
44 std::cout << "Longest span: " << sp.longestSpan() << std::endl; // Should be 14 (17 - 3)
45 std::cout << std::endl;
46}
47
51void large_test() {
52 std::cout << "--- Large Scale Test (15,000 numbers) ---" << std::endl;
53 const int num_elements = 15000;
54 Span sp = Span(num_elements);
55
56 std::vector<int> source_numbers;
57 source_numbers.reserve(num_elements);
58 srand(time(0)); // Seed for random numbers
59
60 for (int i = 0; i < num_elements; ++i) {
61 source_numbers.push_back(rand());
62 }
63
64 // Use the iterator range method to add numbers
65 try {
66 sp.addNumber(source_numbers.begin(), source_numbers.end());
67 std::cout << "Successfully added 15,000 numbers." << std::endl;
68 std::cout << "Shortest span: " << sp.shortestSpan() << std::endl;
69 std::cout << "Longest span: " << sp.longestSpan() << std::endl;
70 } catch (const std::exception &e) {
71 std::cerr << "Error during large test: " << e.what() << std::endl;
72 }
73 std::cout << std::endl;
74}
75
79void exception_test() {
80 std::cout << "--- Exception Tests ---" << std::endl;
81 Span sp(3);
82 std::cout << "Span created with size 3." << std::endl;
83
84 // Test NotEnoughNumbersException
85 std::cout << "\nTesting shortestSpan with 0 elements..." << std::endl;
86 try {
87 sp.shortestSpan();
88 } catch (const std::exception &e) {
89 std::cerr << "Caught expected exception: " << e.what() << std::endl;
90 }
91
92 sp.addNumber(100);
93 std::cout << "Added one number (100)." << std::endl;
94 std::cout << "Testing longestSpan with 1 element..." << std::endl;
95 try {
96 sp.longestSpan();
97 } catch (const std::exception &e) {
98 std::cerr << "Caught expected exception: " << e.what() << std::endl;
99 }
100
101 // Test SpanFullException
102 sp.addNumber(200);
103 sp.addNumber(300);
104 std::cout << "Filled the Span (100, 200, 300)." << std::endl;
105 std::cout << "Attempting to add one more number..." << std::endl;
106 try {
107 sp.addNumber(400);
108 } catch (const std::exception &e) {
109 std::cerr << "Caught expected exception: " << e.what() << std::endl;
110 }
111 std::cout << std::endl;
112}
113
119int main() {
120 subject_test();
121 large_test();
122 exception_test();
123 return 0;
124}
Span.hpp
Provides a class that stores N integers and calculates their shortest and longest spans.
std::vector::begin
T begin(T... args)
Span
A class that stores up to N integers and calculates the shortest and longest spans.
Definition Span.hpp:32
Span::shortestSpan
int shortestSpan()
Calculates the shortest span between stored numbers.
Definition Span.cpp:53
Span::longestSpan
int longestSpan()
Calculates the longest span between stored numbers.
Definition Span.cpp:74
Span::addNumber
void addNumber(int number)
Adds a single number to the span.
Definition Span.cpp:45
std::vector::end
T end(T... args)
std::endl
T endl(T... args)
main
int main()
Program entry point.
Definition main.cpp:49
subject_test
void subject_test()
Basic test cases specified in the assignment.
Definition main.cpp:33
exception_test
void exception_test()
Test whether exceptions are thrown correctly.
Definition main.cpp:79
large_test
void large_test()
Test for handling large amounts of numerical data.
Definition main.cpp:51
std::vector::push_back
T push_back(T... args)
std::vector::reserve
T reserve(T... args)
std::exception::what
T what(T... args)