Files
optional/tests/in_place.cpp
Isabella Muerte 54f7f970bf 🎨 Cleanup include path for catch2
 Add basic .deb generation support
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⬆️ Upgrade minimum CMake version to 3.14
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📌 Pin Catch to v2.9.1

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 Update tests to be separated by file
2019-09-17 09:59:36 -07:00

42 lines
1.0 KiB
C++

#include <catch2/catch.hpp>
#include <tl/optional.hpp>
#include <tuple>
#include <vector>
struct takes_init_and_variadic {
std::vector<int> v;
std::tuple<int, int> t;
template <class... Args>
takes_init_and_variadic(std::initializer_list<int> l, Args &&... args)
: v(l), t(std::forward<Args>(args)...) {}
};
TEST_CASE("In place", "[in_place]") {
tl::optional<int> o1{tl::in_place};
tl::optional<int> o2(tl::in_place);
REQUIRE(o1);
REQUIRE(o1 == 0);
REQUIRE(o2);
REQUIRE(o2 == 0);
tl::optional<int> o3(tl::in_place, 42);
REQUIRE(o3 == 42);
tl::optional<std::tuple<int, int>> o4(tl::in_place, 0, 1);
REQUIRE(o4);
REQUIRE(std::get<0>(*o4) == 0);
REQUIRE(std::get<1>(*o4) == 1);
tl::optional<std::vector<int>> o5(tl::in_place, {0, 1});
REQUIRE(o5);
REQUIRE((*o5)[0] == 0);
REQUIRE((*o5)[1] == 1);
tl::optional<takes_init_and_variadic> o6(tl::in_place, {0, 1}, 2, 3);
REQUIRE(o6->v[0] == 0);
REQUIRE(o6->v[1] == 1);
REQUIRE(std::get<0>(o6->t) == 2);
REQUIRE(std::get<1>(o6->t) == 3);
}