mirror of
https://github.com/boostorg/openmethod.git
synced 2026-01-19 04:22:12 +00:00
101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
// Copyright (c) 2018-2025 Jean-Louis Leroy
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// See accompanying file LICENSE_1_0.txt
|
|
// or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#include <iostream>
|
|
#include <stdexcept>
|
|
#include <string>
|
|
#include <type_traits>
|
|
#include <any>
|
|
|
|
#include <boost/openmethod.hpp>
|
|
#include <boost/openmethod/interop/std_shared_ptr.hpp>
|
|
#include <boost/openmethod/interop/std_unique_ptr.hpp>
|
|
#include <boost/openmethod/initialize.hpp>
|
|
#include <boost/openmethod/policies/vptr_vector.hpp>
|
|
|
|
#include "test_util.hpp"
|
|
|
|
#define BOOST_TEST_MODULE openmethod
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
using namespace boost::openmethod;
|
|
|
|
namespace TEST_NS {
|
|
|
|
using namespace test_matrices;
|
|
|
|
struct test_registry : test_registry_<__COUNTER__> {};
|
|
|
|
BOOST_OPENMETHOD_CLASSES(matrix, dense_matrix, test_registry);
|
|
|
|
BOOST_OPENMETHOD(
|
|
times, (virtual_<const matrix&>, virtual_<const matrix&>),
|
|
std::unique_ptr<matrix>, test_registry);
|
|
|
|
BOOST_OPENMETHOD_OVERRIDE(
|
|
times, (const dense_matrix&, const matrix&),
|
|
std::unique_ptr<dense_matrix>) {
|
|
return std::make_unique<dense_matrix>();
|
|
}
|
|
|
|
BOOST_OPENMETHOD_OVERRIDE(
|
|
times, (const matrix&, const dense_matrix&), std::unique_ptr<matrix>) {
|
|
return std::make_unique<matrix>();
|
|
}
|
|
|
|
static_assert(std::is_same_v<
|
|
detail::virtual_type<std::unique_ptr<matrix>, test_registry>, matrix>);
|
|
|
|
BOOST_AUTO_TEST_CASE(covariant_return_type) {
|
|
auto compiler = boost::openmethod::initialize<test_registry, n2216>();
|
|
BOOST_TEST(compiler.report.ambiguous == 0u);
|
|
|
|
// test_registry: use covariant return types to resolve ambiguity.
|
|
dense_matrix left, right;
|
|
auto result = times(left, right);
|
|
BOOST_TEST(result->type == DENSE_MATRIX);
|
|
}
|
|
|
|
} // namespace TEST_NS
|
|
|
|
namespace TEST_NS {
|
|
|
|
using namespace test_matrices;
|
|
|
|
struct test_registry : test_registry_<__COUNTER__> {};
|
|
|
|
BOOST_OPENMETHOD_CLASSES(matrix, dense_matrix, test_registry);
|
|
|
|
BOOST_OPENMETHOD(
|
|
times, (virtual_<const matrix&>, virtual_<const matrix&>), string_pair,
|
|
test_registry);
|
|
|
|
BOOST_OPENMETHOD_OVERRIDE(times, (const matrix&, const matrix&), string_pair) {
|
|
return string_pair(MATRIX_MATRIX, NONE);
|
|
}
|
|
|
|
BOOST_OPENMETHOD_OVERRIDE(
|
|
times, (const dense_matrix&, const matrix&), string_pair) {
|
|
return string_pair(DENSE_MATRIX, MATRIX_MATRIX);
|
|
}
|
|
|
|
BOOST_OPENMETHOD_OVERRIDE(
|
|
times, (const matrix&, const dense_matrix&), string_pair) {
|
|
return string_pair(MATRIX_DENSE, MATRIX_MATRIX);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(pick_any_ambiguous) {
|
|
auto compiler = boost::openmethod::initialize<test_registry, n2216>();
|
|
BOOST_TEST(compiler.report.ambiguous == 1u);
|
|
|
|
// test_registry: use covariant return types to resolve ambiguity.
|
|
dense_matrix left, right;
|
|
auto result = times(left, right);
|
|
BOOST_TEST(result.first == MATRIX_DENSE);
|
|
BOOST_TEST(result.second == MATRIX_MATRIX);
|
|
}
|
|
|
|
} // namespace TEST_NS
|