// Copyright (C) 2018 Jonathan Müller <jonathanmueller.dev@gmail.com>

// This file is subject to the license terms in the LICENSE file

// found in the top-level directory of this distribution.

#include <foonathan/array/memory_block.hpp>

#include <catch.hpp>

using namespace foonathan::array;

TEST_CASE("raw_pointer", "[core]")

{

auto obj = 0;

auto ptr = to_raw_pointer(&obj);

REQUIRE(to_void_pointer(ptr) == &obj);

REQUIRE(to_pointer<int>(ptr) == &obj);

REQUIRE(to_void_pointer(ptr + sizeof(obj)) == &obj + 1);

}

TEST_CASE("memory_block", "[core]")

{

SECTION("empty")

{

memory_block block;

REQUIRE(block.begin() == nullptr);

REQUIRE(block.end() == nullptr);

REQUIRE(block.size() == 0u);

REQUIRE(block.empty());

}

SECTION("non-empty")

{

auto obj = 0;

memory_block block(to_raw_pointer(&obj), sizeof(obj));

REQUIRE(block.begin() == to_raw_pointer(&obj));

REQUIRE(block.end() == to_raw_pointer(&obj) + sizeof(obj));

REQUIRE(block.size() == sizeof(obj));

REQUIRE(!block.empty());

}

}