forked from TartanLlama/expected
0ca73ee30e
🎨 Cleanup include path for catch2 ✨ Add basic .deb generation support WiX and RPM support is still needed (if even desired?) ⬆️ Upgrade minimum CMake version to 3.14 ⬆️ Upgrade Catch to Catch v2.9.2 📌 Pin Catch to v2.9.2
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
#include <catch2/catch.hpp>
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#include <tl/expected.hpp>
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struct move_detector {
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move_detector() = default;
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move_detector(move_detector &&rhs) { rhs.been_moved = true; }
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bool been_moved = false;
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};
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TEST_CASE("Observers", "[observers]") {
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tl::expected<int,int> o1 = 42;
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tl::expected<int,int> o2 {tl::unexpect, 0};
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const tl::expected<int,int> o3 = 42;
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REQUIRE(*o1 == 42);
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REQUIRE(*o1 == o1.value());
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REQUIRE(o2.value_or(42) == 42);
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REQUIRE(o2.error() == 0);
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REQUIRE(o3.value() == 42);
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auto success = std::is_same<decltype(o1.value()), int &>::value;
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REQUIRE(success);
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success = std::is_same<decltype(o3.value()), const int &>::value;
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REQUIRE(success);
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success = std::is_same<decltype(std::move(o1).value()), int &&>::value;
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REQUIRE(success);
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#ifndef TL_EXPECTED_NO_CONSTRR
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success = std::is_same<decltype(std::move(o3).value()), const int &&>::value;
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REQUIRE(success);
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#endif
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tl::expected<move_detector,int> o4{tl::in_place};
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move_detector o5 = std::move(o4).value();
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REQUIRE(o4->been_moved);
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REQUIRE(!o5.been_moved);
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}
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