f1087e81ec
git-subtree-dir: third_party/unordered_dense git-subtree-split: 231e48c9426bd21c273669e5fdcd042c146975cf
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
#include <ankerl/unordered_dense.h>
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#include <app/doctest.h>
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#include <cstddef> // for size_t
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#include <tuple> // for forward_as_tuple
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#include <utility> // for piecewise_construct
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class no_move {
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public:
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no_move() noexcept = default;
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explicit no_move(size_t d) noexcept
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: m_mData(d) {}
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~no_move() = default;
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no_move(no_move const&) = default;
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auto operator=(no_move const&) -> no_move& = default;
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no_move(no_move&&) = delete;
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auto operator=(no_move&&) -> no_move& = delete;
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[[nodiscard]] auto data() const -> size_t {
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return m_mData;
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}
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private:
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size_t m_mData{};
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};
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TYPE_TO_STRING_MAP(size_t, no_move);
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// doesn't work with robin_hood::unordered_flat_map<size_t, NoMove> because not movable and not
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// copyable
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TEST_CASE_MAP("not_moveable", size_t, no_move) {
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// it's ok because it is movable.
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auto m = map_t();
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for (size_t i = 0; i < 100; ++i) {
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m[i];
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m.emplace(std::piecewise_construct, std::forward_as_tuple(i * 100), std::forward_as_tuple(i));
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}
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REQUIRE(m.size() == 199);
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// not copyable, because m is not copyable!
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// map_t m2 = m;
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// not movable
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// map_t m2 = std::move(m);
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// REQUIRE(m2.size() == 199);
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m.clear();
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REQUIRE(m.size() == 0);
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}
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