GildedRose-Refactoring-Kata/cpp/test/cpp_googletest_approvaltest/GildedRoseGoogletestApprovalTests.cc

#define APPROVALS_GOOGLETEST
#include <ApprovalTests.hpp>
#include "GildedRose.h"

std::ostream& operator<<(std::ostream& os, const Item& obj)
{
    return os
        << "name: " << obj.name
        << ", sellIn: " << obj.sellIn
        << ", quality: " << obj.quality;
}

TEST(GildedRoseApprovalTests, VerifyCombinations) {

    std::vector<std::string> names { "Foo" };
    std::vector<int> sellIns { 1 };
    std::vector<int> qualities { 1 };

    auto f = [](std::string name, int sellIn, int quality) {
        std::vector<Item> items = {Item(name, sellIn, quality)};
        GildedRose app(items);
        app.updateQuality();
        return items[0];
    };

    ApprovalTests::CombinationApprovals::verifyAllCombinations(
            f,
            names, sellIns, qualities);

}