sTodo-m5paper-client/libraries/M5Utility/test/optional/emplace.cpp
2025-06-30 20:47:33 +02:00

27 lines
628 B
C++

#include <gtest/gtest.h>
#include <m5_utility/stl/optional.hpp>
#include <utility>
#include <tuple>
TEST(Optional, Emplace)
{
m5::stl::optional<std::pair<std::pair<int, int>, std::pair<double, double>>> i;
i.emplace(std::piecewise_construct, std::make_tuple(0, 2), std::make_tuple(3, 4));
EXPECT_TRUE(i->first.first == 0);
EXPECT_TRUE(i->first.second == 2);
EXPECT_TRUE(i->second.first == 3);
EXPECT_TRUE(i->second.second == 4);
}
struct A {
A()
{
throw std::exception();
}
};
TEST(Optional, EmplaceWithException)
{
m5::stl::optional<A> a;
EXPECT_ANY_THROW(a.emplace());
}