mirror of
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74 lines
3.3 KiB
C++
74 lines
3.3 KiB
C++
/*******************************************************************************
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* This file is part of the "https://github.com/blackmatov/meta.hpp"
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* For conditions of distribution and use, see copyright notice in LICENSE.md
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* Copyright (C) 2021, by Matvey Cherevko (blackmatov@gmail.com)
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******************************************************************************/
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#include <meta.hpp/meta_function.hpp>
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#include "doctest/doctest.hpp"
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namespace
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{
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void void_f_void() noexcept {}
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void void_f_int(int a) { (void)a; }
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void void_f_int2(int a, int b) { (void)a; (void)b; }
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int int_f_void() noexcept { return 1; }
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int int_f_int(int a) { return a; }
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int int_f_int2(int a, int b) { return a + b; }
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}
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TEST_CASE("meta/function") {
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namespace meta = meta_hpp;
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meta::function_<&void_f_void> void_f_void_function_("void_f_void");
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meta::function_<&void_f_int> void_f_int_function_("void_f_int");
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meta::function_<&void_f_int2> void_f_int2_function_("void_f_int2");
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meta::function_<&int_f_void> int_f_void_function_("int_f_void");
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meta::function_<&int_f_int> int_f_int_function_("int_f_int");
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meta::function_<&int_f_int2> int_f_int2_function_("int_f_int2");
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const meta::function_info& void_f_void_info = void_f_void_function_;
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const meta::function_info& void_f_int_info = void_f_int_function_;
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const meta::function_info& void_f_int2_info = void_f_int2_function_;
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const meta::function_info& int_f_void_info = int_f_void_function_;
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const meta::function_info& int_f_int_info = int_f_int_function_;
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const meta::function_info& int_f_int2_info = int_f_int2_function_;
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SUBCASE("void_return") {
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CHECK_NOTHROW(void_f_void_info.invoke());
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CHECK_THROWS_AS(void_f_void_info.invoke(1), std::logic_error);
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CHECK_THROWS_AS(void_f_int_info.invoke(), std::logic_error);
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CHECK_NOTHROW(void_f_int_info.invoke(1));
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CHECK_THROWS_AS(void_f_int_info.invoke(1.f), std::logic_error);
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CHECK_THROWS_AS(void_f_int_info.invoke(1, 2), std::logic_error);
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CHECK_THROWS_AS(void_f_int2_info.invoke(), std::logic_error);
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CHECK_THROWS_AS(void_f_int2_info.invoke(1), std::logic_error);
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CHECK_NOTHROW(void_f_int2_info.invoke(1, 2));
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CHECK_THROWS_AS(void_f_int2_info.invoke(1.f, 2), std::logic_error);
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CHECK_THROWS_AS(void_f_int2_info.invoke(1, 2.f), std::logic_error);
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CHECK_THROWS_AS(void_f_int2_info.invoke(1, 2, 3), std::logic_error);
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}
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SUBCASE("int_return") {
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CHECK(int_f_void_info.invoke()->cast<int>() == 1);
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CHECK_THROWS_AS(int_f_void_info.invoke(1), std::logic_error);
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CHECK_THROWS_AS(int_f_int_info.invoke(), std::logic_error);
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CHECK(int_f_int_info.invoke(1)->cast<int>() == 1);
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CHECK_THROWS_AS(int_f_int_info.invoke(1.f), std::logic_error);
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CHECK_THROWS_AS(int_f_int_info.invoke(1, 2), std::logic_error);
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CHECK_THROWS_AS(int_f_int2_info.invoke(), std::logic_error);
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CHECK_THROWS_AS(int_f_int2_info.invoke(1), std::logic_error);
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CHECK(int_f_int2_info.invoke(1, 2)->cast<int>() == 3);
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CHECK_THROWS_AS(int_f_int2_info.invoke(1.f, 2), std::logic_error);
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CHECK_THROWS_AS(int_f_int2_info.invoke(1, 2.f), std::logic_error);
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CHECK_THROWS_AS(int_f_int2_info.invoke(1, 2, 3), std::logic_error);
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}
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}
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