95 lines
1.6 KiB
C++
95 lines
1.6 KiB
C++
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#pragma once
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namespace lt::test {
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template<typename _Signature>
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class Mock;
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template<typename Return_Type, typename... Arg_Types>
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class Mock<Return_Type(Arg_Types...)>
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{
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public:
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auto at_least() -> Mock &
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{
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return *this;
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}
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auto operator&&(Mock &mock) -> Mock &
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{
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return mock;
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}
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auto operator()(Arg_Types... arguments) -> Return_Type
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{
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++m_call_index;
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for (auto &side_effect : m_side_effects)
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{
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side_effect(std::forward<Arg_Types>(arguments)...);
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}
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if (m_return_func)
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{
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return m_return_func(std::forward<Arg_Types>(arguments)...);
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}
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return m_return_value;
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}
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/** With any arguments. */
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template<uint32_t counter = 1>
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auto expect() -> Mock &
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{
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m_expected_counter = counter;
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return *this;
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}
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auto apply(std::function<void(Arg_Types...)> side_effect) -> Mock &
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{
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m_side_effects.emplace_back(std::move(side_effect));
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return *this;
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}
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/** Returns a fixed value. */
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auto returns(Return_Type value) -> Mock &
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{
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m_return_value = value;
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return *this;
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}
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/** Returns a value based on input. */
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auto returns(std::function<Return_Type(Arg_Types...)> func) -> Mock &
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{
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m_return_func = std::move(func);
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return *this;
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}
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private:
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Return_Type m_return_value {};
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std::function<Return_Type(Arg_Types...)> m_return_func {};
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std::vector<std::function<void(Arg_Types...)>> m_side_effects {};
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uint32_t m_call_index = 0;
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std::vector<std::pair<std::tuple<Arg_Types...>, uint32_t>> m_expected_args;
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uint32_t m_expected_counter {};
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};
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namespace mock::range {
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[[nodiscard]] auto is_empty() -> bool
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{
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return false;
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}
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}; // namespace mock::range
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[[nodiscard]] auto eq(auto rhs) -> bool
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{
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return false;
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}
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} // namespace lt::test
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