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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/contiguous.hpp>
#include <memory>
#include <type_traits>
#include <gtest/gtest.h>
#include <gridtools/common/hymap.hpp>
#include <gridtools/common/integral_constant.hpp>
#include <gridtools/common/tuple_util.hpp>
#include <gridtools/sid/allocator.hpp>
#include <gridtools/sid/concept.hpp>
namespace gridtools {
namespace {
namespace tu = tuple_util;
using namespace literals;
struct a;
struct b;
struct c;
using sid::property;
TEST(contiguous, smoke) {
auto alloc = sid::allocator(&std::make_unique<char[]>);
hymap::keys<a, b, c>::values<integral_constant<int_t, 2>, int, int> sizes = {2_c, 3, 4};
auto testee = sid::make_contiguous<int>(alloc, sizes);
using testee_t = decltype(testee);
using ptr_diff_t = sid::ptr_diff_type<testee_t>;
using strides_t = sid::strides_type<testee_t>;
using strides_kind_t = sid::strides_kind<testee_t>;
static_assert(is_sid<testee_t>());
static_assert(std::is_same_v<ptrdiff_t, ptr_diff_t>);
static_assert(std::is_same_v<strides_kind_t, strides_t>);
auto lower_bounds = sid::get_lower_bounds(testee);
EXPECT_EQ(0, at_key<a>(lower_bounds));
EXPECT_EQ(0, at_key<b>(lower_bounds));
EXPECT_EQ(0, at_key<c>(lower_bounds));
auto upper_bounds = sid::get_upper_bounds(testee);
EXPECT_EQ(2, at_key<a>(upper_bounds));
EXPECT_EQ(3, at_key<b>(upper_bounds));
EXPECT_EQ(4, at_key<c>(upper_bounds));
auto strides = sid::get_strides(testee);
auto origin = sid::get_origin(testee)();
*origin = 42;
EXPECT_EQ(42, *origin);
auto ptr = origin;
sid::shift(ptr, sid::get_stride<a>(strides), 1);
sid::shift(ptr, sid::get_stride<b>(strides), 2);
sid::shift(ptr, sid::get_stride<c>(strides), 3);
*ptr = 88;
EXPECT_EQ(88, *ptr);
}
} // namespace
} // namespace gridtools
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