Build your studio

#include "studio/checker.hpp"
#include <array>
#include <iostream>
#include <limits>

int main() {
    struct Case { std::size_t x; std::size_t y; int expected; };
    constexpr auto largest = std::numeric_limits<std::size_t>::max();
    constexpr std::array cases{
        Case{0, 0, 32}, Case{1, 1, 32}, Case{2, 0, 224},
        Case{0, 2, 224}, Case{2, 2, 32}, Case{4, 0, 32},
        Case{largest, largest, 32}, Case{largest, 0, 224}
    };
    int failures = 0;
    for (const auto& item : cases) {
        if (studio::shade(item.x, item.y) != item.expected) {
            std::cerr << "Unexpected shade at " << item.x << ',' << item.y << '\n';
            ++failures;
        }
    }
    if (failures != 0) return 1;
    std::cout << cases.size() << " checker contracts passed\n";
    std::cout.flush();
    return std::cout ? 0 : 1;
}