mirror of
https://github.com/BlackMATov/meta.hpp.git
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100 lines
2.4 KiB
C++
100 lines
2.4 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_tests.hpp"
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namespace
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{
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struct ivec2 {
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int x{};
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int y{};
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ivec2() = default;
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ivec2(int v) : x{v}, y{v} {}
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ivec2(int x, int y) : x{x}, y{y} {}
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int dot(const ivec2& other) const {
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return x * other.x + y * other.y;
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}
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int length2() const {
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return dot(*this);
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}
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friend bool operator==(const ivec2& l, const ivec2& r) {
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return l.x == r.x && l.y == r.y;
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}
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};
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}
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TEST_CASE("meta/examples/complex") {
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namespace meta = meta_hpp;
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meta::class_<ivec2>()
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.ctor_<>()
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.ctor_<int>()
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.ctor_<int, int>()
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.member_("x", &ivec2::x)
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.member_("y", &ivec2::y)
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.method_("dot", &ivec2::dot)
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.method_("length2", &ivec2::length2);
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const meta::class_type ivec2_type = meta::resolve_type<ivec2>();
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const meta::member ivec2_x = ivec2_type.get_member("x");
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const meta::member ivec2_y = ivec2_type.get_member("y");
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const meta::method ivec2_dot = ivec2_type.get_method("dot");
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const meta::method ivec2_length2 = ivec2_type.get_method("length2");
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{
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const ivec2 v = ivec2_type()->cast<ivec2>();
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CHECK(v == ivec2{});
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CHECK(ivec2_x(v) == 0);
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CHECK(ivec2_y(v) == 0);
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}
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{
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const ivec2 v = ivec2_type(3)->cast<ivec2>();
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CHECK(v == ivec2{3});
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CHECK(ivec2_x(v) == 3);
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CHECK(ivec2_y(v) == 3);
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}
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{
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const meta::value v = ivec2_type(1, 2).value();
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CHECK(v == ivec2{1, 2});
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CHECK(ivec2_x(v) == 1);
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CHECK(ivec2_y(v) == 2);
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}
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{
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meta::value v = ivec2_type(1, 2).value();
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ivec2_x(v, 10);
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ivec2_y(v, 20);
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CHECK(ivec2_x(v) == 10);
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CHECK(ivec2_y(v) == 20);
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}
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{
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const meta::value v0 = ivec2_type(1, 2).value();
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const meta::value v1 = ivec2_type(3, 4).value();
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CHECK(ivec2_dot(v0, v1) == 1 * 3 + 2 * 4);
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}
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{
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const meta::value v = ivec2_type(3, 4).value();
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CHECK(ivec2_length2(v) == 3 * 3 + 4 * 4);
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}
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}
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