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#include <catch2/catch.hpp>
#include <tl/optional.hpp>
TEST_CASE("Constexpr", "[constexpr]") {
#if !defined(TL_OPTIONAL_MSVC2015) && defined(TL_OPTIONAL_CXX14)
SECTION("empty construct") {
constexpr tl::optional<int> o2{};
constexpr tl::optional<int> o3 = {};
constexpr tl::optional<int> o4 = tl::nullopt;
constexpr tl::optional<int> o5 = {tl::nullopt};
constexpr tl::optional<int> o6(tl::nullopt);
STATIC_REQUIRE(!o2);
STATIC_REQUIRE(!o3);
STATIC_REQUIRE(!o4);
STATIC_REQUIRE(!o5);
STATIC_REQUIRE(!o6);
}
SECTION("value construct") {
constexpr tl::optional<int> o1 = 42;
constexpr tl::optional<int> o2{42};
constexpr tl::optional<int> o3(42);
constexpr tl::optional<int> o4 = {42};
constexpr int i = 42;
constexpr tl::optional<int> o5 = std::move(i);
constexpr tl::optional<int> o6{std::move(i)};
constexpr tl::optional<int> o7(std::move(i));
constexpr tl::optional<int> o8 = {std::move(i)};
STATIC_REQUIRE(*o1 == 42);
STATIC_REQUIRE(*o2 == 42);
STATIC_REQUIRE(*o3 == 42);
STATIC_REQUIRE(*o4 == 42);
STATIC_REQUIRE(*o5 == 42);
STATIC_REQUIRE(*o6 == 42);
STATIC_REQUIRE(*o7 == 42);
STATIC_REQUIRE(*o8 == 42);
}
#endif
}
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