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/*
* GridTools
*
* Copyright (c) 2014-2023, ETH Zurich
* All rights reserved.
*
* Please, refer to the LICENSE file in the root directory.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <gridtools/sid/synthetic.hpp>
#include <gtest/gtest.h>
#include <gridtools/common/array.hpp>
#include <gridtools/common/tuple_util.hpp>
#include <gridtools/sid/concept.hpp>
#include <gridtools/sid/simple_ptr_holder.hpp>
namespace gridtools {
namespace {
using sid::property;
TEST(sid_synthetic, smoke) {
double a = 100;
auto testee = sid::synthetic().set<property::origin>(sid::host_device::simple_ptr_holder(&a));
static_assert(is_sid<decltype(testee)>::value);
EXPECT_EQ(a, *sid::get_origin(testee)());
}
namespace custom {
struct element {};
struct ptr_diff {
int val;
};
struct ptr {
element const *val;
GT_FUNCTION element const &operator*() const { return *val; }
friend GT_FUNCTION ptr operator+(ptr, ptr_diff) { return {}; }
};
struct stride {
int val;
friend GT_FUNCTION std::true_type sid_shift(ptr &, stride const &, int) { return {}; }
friend GT_FUNCTION std::false_type sid_shift(ptr_diff &, stride const &, int) { return {}; }
};
using strides = array<stride, 2>;
struct strides_kind;
TEST(sid_synthetic, custom) {
element the_element = {};
ptr the_origin = {&the_element};
strides the_strides = {stride{3}, stride{4}};
auto the_testee = sid::synthetic()
.set<property::origin>(sid::host_device::simple_ptr_holder(the_origin))
.set<property::strides>(the_strides)
.set<property::ptr_diff, ptr_diff>()
.set<property::strides_kind, strides_kind>();
using testee = decltype(the_testee);
static_assert(is_sid<testee>());
static_assert(std::is_trivially_copy_constructible_v<testee>);
static_assert(std::is_same_v<sid::ptr_type<testee>, ptr>);
static_assert(std::is_same_v<sid::strides_type<testee>, strides>);
static_assert(std::is_same_v<sid::ptr_diff_type<testee>, ptr_diff>);
static_assert(std::is_same_v<sid::strides_kind<testee>, strides_kind>);
EXPECT_EQ(&the_element, sid::get_origin(the_testee)().val);
EXPECT_EQ(3, tuple_util::get<0>(sid::get_strides(the_testee)).val);
EXPECT_EQ(4, tuple_util::get<1>(sid::get_strides(the_testee)).val);
}
} // namespace custom
} // namespace
} // namespace gridtools
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