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//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// 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)
//
// Official repository: https://github.com/boostorg/json
//
// Test that header file is self-contained.
#include <boost/json/storage_ptr.hpp>
#include <boost/core/detail/static_assert.hpp>
#include <type_traits>
#include "test.hpp"
#include "test_suite.hpp"
//----------------------------------------------------------
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4702) // unreachable code
#endif
namespace boost {
namespace json {
BOOST_CORE_STATIC_ASSERT(
std::is_nothrow_move_constructible<storage_ptr>::value);
class storage_ptr_test
{
public:
static value jv1;
static value jv2;
struct throwing
: container::pmr::memory_resource
{
throwing()
{
throw std::exception{};
}
void*
do_allocate(
std::size_t,
std::size_t) override
{
return nullptr;
}
void
do_deallocate(
void*,
std::size_t,
std::size_t) noexcept override
{
}
bool
do_is_equal(
memory_resource const& mr) const noexcept override
{
return this == &mr;
}
};
void
testMembers()
{
auto const dsp = storage_ptr{};
auto const usp =
make_shared_resource<unique_resource>();
// ~storage_ptr()
{
// implied
}
// storage_ptr()
{
storage_ptr sp;
BOOST_TEST(sp.get());
}
// storage_ptr(storage_ptr&&)
{
storage_ptr sp1 = dsp;
storage_ptr sp2(std::move(sp1));
BOOST_TEST(sp1.get());
BOOST_TEST(*sp2 == *dsp);
}
// storage_ptr(storage_ptr const&)
{
storage_ptr sp1 = dsp;
storage_ptr sp2(sp1);
BOOST_TEST(sp1 == sp2);
}
// operator=(storage_ptr&&)
{
storage_ptr sp1(dsp);
storage_ptr sp2(usp);
sp2 = std::move(sp1);
BOOST_TEST(*sp2 == *dsp);
}
// operator=(storage_ptr const&)
{
storage_ptr sp1(dsp);
storage_ptr sp2(usp);
sp2 = sp1;
BOOST_TEST(*sp1 == *sp2);
}
// get()
{
{
storage_ptr sp(dsp);
BOOST_TEST(sp.get() == dsp.get());
}
}
// operator->()
{
storage_ptr sp(dsp);
BOOST_TEST(sp.operator->() == dsp.get());
}
// operator*()
{
storage_ptr sp(dsp);
BOOST_TEST(&sp.operator*() == dsp.get());
}
// exception in make_storage
{
BOOST_TEST_THROWS(
make_shared_resource<throwing>(),
std::exception);
}
}
// https://github.com/boostorg/json/pull/182
void
testPull182()
{
struct other
{
virtual void f() {}
};
struct my_resource
: other
, container::pmr::memory_resource
{
void*
do_allocate(
std::size_t,
std::size_t) override
{
return nullptr;
}
void
do_deallocate(
void*,
std::size_t,
std::size_t) noexcept override
{
}
bool
do_is_equal(
memory_resource const&) const noexcept override
{
return true;
}
};
my_resource mr;
BOOST_TEST(storage_ptr(&mr).get() == &mr);
}
void
testInitOrder()
{
BOOST_ASSERT(jv1.storage() == jv2.storage());
BOOST_TEST(! jv1.storage().is_deallocate_trivial());
BOOST_TEST(! jv1.storage().is_shared());
}
void
run()
{
storage_ptr sp;
testMembers();
testPull182();
testInitOrder();
}
};
value storage_ptr_test::jv1 = {1, 2, 3};
value storage_ptr_test::jv2 = {1, 2, 3};
TEST_SUITE(storage_ptr_test, "boost.json.storage_ptr");
} // namespace json
} // namespace boost
#ifdef _MSC_VER
#pragma warning(pop)
#endif
|
