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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
#include "utils.h"
#include <array>
#include <proxy/proxy.h>
#include <stdexcept>
#include <type_traits>
namespace proxy_traits_tests_details {
template <bool kNothrowRelocatable, bool kCopyable, bool kTrivial,
std::size_t kSize, std::size_t kAlignment>
struct MockPtr {
using element_type = MockPtr;
MockPtr() = default;
MockPtr(int) noexcept {}
MockPtr(const MockPtr&)
requires(kCopyable && !kTrivial)
{}
MockPtr(const MockPtr&) noexcept
requires(kTrivial)
= default;
MockPtr(MockPtr&&) noexcept
requires(kNothrowRelocatable && !kTrivial)
{}
MockPtr(MockPtr&&) noexcept
requires(kTrivial)
= default;
const MockPtr* operator->() const noexcept { return this; }
alignas(kAlignment) char dummy_[kSize];
};
using MockMovablePtr =
MockPtr<true, false, false, sizeof(void*) * 2, alignof(void*)>;
using MockCopyablePtr =
MockPtr<true, true, false, sizeof(void*) * 2, alignof(void*)>;
using MockCopyableSmallPtr =
MockPtr<true, true, false, sizeof(void*), alignof(void*)>;
using MockTrivialPtr = MockPtr<true, true, true, sizeof(void*), alignof(void*)>;
using MockFunctionPtr = void (*)();
struct DefaultFacade : pro::facade_builder::build {};
static_assert(
std::is_same_v<pro::proxy<DefaultFacade>::facade_type, DefaultFacade>);
static_assert(DefaultFacade::constraints.copyability ==
pro::constraint_level::none);
static_assert(DefaultFacade::constraints.relocatability ==
pro::constraint_level::nothrow);
static_assert(DefaultFacade::constraints.destructibility ==
pro::constraint_level::nothrow);
static_assert(DefaultFacade::constraints.max_size >= 2 * sizeof(void*));
static_assert(DefaultFacade::constraints.max_align >= sizeof(void*));
static_assert(std::is_same_v<DefaultFacade::convention_types, std::tuple<>>);
static_assert(std::is_same_v<DefaultFacade::reflection_types, std::tuple<>>);
static_assert(
std::is_nothrow_default_constructible_v<pro::proxy<DefaultFacade>>);
static_assert(
!std::is_trivially_default_constructible_v<pro::proxy<DefaultFacade>>);
static_assert(
std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>, std::nullptr_t>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<DefaultFacade>, std::nullptr_t>);
static_assert(
std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>,
std::in_place_type_t<MockMovablePtr>, int>);
static_assert(
std::is_nothrow_constructible_v<
pro::proxy<DefaultFacade>, std::in_place_type_t<MockCopyablePtr>, int>);
static_assert(std::is_nothrow_constructible_v<
pro::proxy<DefaultFacade>,
std::in_place_type_t<MockCopyableSmallPtr>, int>);
static_assert(
std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>,
std::in_place_type_t<MockTrivialPtr>, int>);
static_assert(std::is_nothrow_constructible_v<
pro::proxy<DefaultFacade>, std::in_place_type_t<MockFunctionPtr>,
MockFunctionPtr>);
static_assert(sizeof(pro::proxy<DefaultFacade>) ==
4 * sizeof(void*)); // VTABLE should be embeded
static_assert(!std::is_copy_constructible_v<pro::proxy<DefaultFacade>>);
static_assert(!std::is_copy_assignable_v<pro::proxy<DefaultFacade>>);
static_assert(std::is_nothrow_move_constructible_v<pro::proxy<DefaultFacade>>);
static_assert(
!std::is_trivially_move_constructible_v<pro::proxy<DefaultFacade>>);
static_assert(std::is_nothrow_move_assignable_v<pro::proxy<DefaultFacade>>);
static_assert(!std::is_trivially_move_assignable_v<pro::proxy<DefaultFacade>>);
static_assert(std::is_nothrow_destructible_v<pro::proxy<DefaultFacade>>);
static_assert(!std::is_trivially_destructible_v<pro::proxy<DefaultFacade>>);
static_assert(
std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>, MockMovablePtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<DefaultFacade>, MockMovablePtr>);
static_assert(pro::proxiable<MockMovablePtr, DefaultFacade>);
static_assert(pro::proxiable<MockCopyablePtr, DefaultFacade>);
static_assert(pro::proxiable<MockCopyableSmallPtr, DefaultFacade>);
static_assert(pro::proxiable<MockTrivialPtr, DefaultFacade>);
static_assert(pro::proxiable<MockFunctionPtr, DefaultFacade>);
static_assert(
std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>, MockMovablePtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<DefaultFacade>, MockMovablePtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>,
MockCopyablePtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<DefaultFacade>, MockCopyablePtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>,
MockCopyableSmallPtr>);
static_assert(std::is_nothrow_assignable_v<pro::proxy<DefaultFacade>,
MockCopyableSmallPtr>);
static_assert(
std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>, MockTrivialPtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<DefaultFacade>, MockTrivialPtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<DefaultFacade>,
MockFunctionPtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<DefaultFacade>, MockFunctionPtr>);
static_assert(sizeof(pro::proxy<DefaultFacade>) ==
4 * sizeof(void*)); // VTABLE should be embeded
struct CopyableFacade : pro::facade_builder //
::support_copy<pro::constraint_level::nontrivial> //
::build {};
static_assert(std::is_copy_constructible_v<pro::proxy<CopyableFacade>>);
static_assert(
!std::is_nothrow_copy_constructible_v<pro::proxy<CopyableFacade>>);
static_assert(std::is_copy_assignable_v<pro::proxy<CopyableFacade>>);
static_assert(!std::is_nothrow_copy_assignable_v<pro::proxy<CopyableFacade>>);
static_assert(std::is_nothrow_move_constructible_v<pro::proxy<CopyableFacade>>);
static_assert(
!std::is_trivially_move_constructible_v<pro::proxy<CopyableFacade>>);
static_assert(std::is_nothrow_move_assignable_v<pro::proxy<CopyableFacade>>);
static_assert(!std::is_trivially_move_assignable_v<pro::proxy<CopyableFacade>>);
static_assert(std::is_nothrow_destructible_v<pro::proxy<CopyableFacade>>);
static_assert(!std::is_trivially_destructible_v<pro::proxy<CopyableFacade>>);
static_assert(!pro::proxiable<MockMovablePtr, CopyableFacade>);
static_assert(pro::proxiable<MockCopyablePtr, CopyableFacade>);
static_assert(pro::proxiable<MockCopyableSmallPtr, CopyableFacade>);
static_assert(pro::proxiable<MockTrivialPtr, CopyableFacade>);
static_assert(pro::proxiable<MockFunctionPtr, CopyableFacade>);
static_assert(
std::is_constructible_v<pro::proxy<CopyableFacade>, MockMovablePtr>);
static_assert(std::is_assignable_v<pro::proxy<CopyableFacade>, MockMovablePtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<CopyableFacade>,
MockCopyablePtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<CopyableFacade>, MockCopyablePtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<CopyableFacade>,
MockCopyableSmallPtr>);
static_assert(std::is_nothrow_assignable_v<pro::proxy<CopyableFacade>,
MockCopyableSmallPtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<CopyableFacade>,
MockTrivialPtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<CopyableFacade>, MockTrivialPtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<CopyableFacade>,
MockFunctionPtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<CopyableFacade>, MockFunctionPtr>);
static_assert(sizeof(pro::proxy<CopyableFacade>) ==
3 * sizeof(void*)); // VTABLE should not be embeded
struct CopyableSmallFacade
: pro::facade_builder //
::restrict_layout<sizeof(void*), alignof(void*)> //
::support_copy<pro::constraint_level::nontrivial> //
::build {};
static_assert(!pro::proxiable<MockMovablePtr, CopyableSmallFacade>);
static_assert(!pro::proxiable<MockCopyablePtr, CopyableSmallFacade>);
static_assert(pro::proxiable<MockCopyableSmallPtr, CopyableSmallFacade>);
static_assert(pro::proxiable<MockTrivialPtr, CopyableSmallFacade>);
static_assert(pro::proxiable<MockFunctionPtr, CopyableSmallFacade>);
static_assert(
std::is_constructible_v<pro::proxy<CopyableSmallFacade>, MockMovablePtr>);
static_assert(
std::is_assignable_v<pro::proxy<CopyableSmallFacade>, MockMovablePtr>);
static_assert(
std::is_constructible_v<pro::proxy<CopyableSmallFacade>, MockCopyablePtr>);
static_assert(
std::is_assignable_v<pro::proxy<CopyableSmallFacade>, MockCopyablePtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<CopyableSmallFacade>,
MockCopyableSmallPtr>);
static_assert(std::is_nothrow_assignable_v<pro::proxy<CopyableSmallFacade>,
MockCopyableSmallPtr>);
static_assert(
std::is_constructible_v<pro::proxy<CopyableSmallFacade>, MockTrivialPtr>);
static_assert(
std::is_assignable_v<pro::proxy<CopyableSmallFacade>, MockTrivialPtr>);
static_assert(
std::is_constructible_v<pro::proxy<CopyableSmallFacade>, MockFunctionPtr>);
static_assert(
std::is_assignable_v<pro::proxy<CopyableSmallFacade>, MockFunctionPtr>);
static_assert(sizeof(pro::proxy<CopyableSmallFacade>) ==
2 * sizeof(void*)); // VTABLE should not be embeded
struct TrivialFacade : pro::facade_builder //
::restrict_layout<sizeof(void*), alignof(void*)> //
::support_copy<pro::constraint_level::trivial> //
::support_relocation<pro::constraint_level::trivial> //
::support_destruction<pro::constraint_level::trivial> //
::build {};
static_assert(
std::is_trivially_copy_constructible_v<pro::proxy<TrivialFacade>>);
static_assert(std::is_trivially_copy_assignable_v<pro::proxy<TrivialFacade>>);
static_assert(std::is_nothrow_move_constructible_v<pro::proxy<TrivialFacade>>);
static_assert(
std::is_trivially_move_constructible_v<pro::proxy<TrivialFacade>>);
static_assert(std::is_nothrow_move_assignable_v<pro::proxy<TrivialFacade>>);
static_assert(std::is_trivially_move_assignable_v<pro::proxy<TrivialFacade>>);
static_assert(std::is_trivially_destructible_v<pro::proxy<TrivialFacade>>);
static_assert(!pro::proxiable<MockMovablePtr, TrivialFacade>);
static_assert(!pro::proxiable<MockCopyablePtr, TrivialFacade>);
static_assert(!pro::proxiable<MockCopyableSmallPtr, TrivialFacade>);
static_assert(pro::proxiable<MockTrivialPtr, TrivialFacade>);
static_assert(pro::proxiable<MockFunctionPtr, TrivialFacade>);
static_assert(
std::is_constructible_v<pro::proxy<TrivialFacade>, MockMovablePtr>);
static_assert(std::is_assignable_v<pro::proxy<TrivialFacade>, MockMovablePtr>);
static_assert(
std::is_constructible_v<pro::proxy<TrivialFacade>, MockCopyablePtr>);
static_assert(std::is_assignable_v<pro::proxy<TrivialFacade>, MockCopyablePtr>);
static_assert(
std::is_constructible_v<pro::proxy<TrivialFacade>, MockCopyableSmallPtr>);
static_assert(
std::is_assignable_v<pro::proxy<TrivialFacade>, MockCopyableSmallPtr>);
static_assert(
std::is_nothrow_constructible_v<pro::proxy<TrivialFacade>, MockTrivialPtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<TrivialFacade>, MockTrivialPtr>);
static_assert(std::is_nothrow_constructible_v<pro::proxy<TrivialFacade>,
MockFunctionPtr>);
static_assert(
std::is_nothrow_assignable_v<pro::proxy<TrivialFacade>, MockFunctionPtr>);
static_assert(sizeof(pro::proxy<TrivialFacade>) ==
2 * sizeof(void*)); // VTABLE should be eliminated, but a
// placeholder is required
struct ReflectionOfSmallPtr {
template <class P>
requires(sizeof(P) <= sizeof(void*))
constexpr ReflectionOfSmallPtr(std::in_place_type_t<P>) {}
};
struct RelocatableFacadeWithReflection
: pro::facade_builder //
::add_direct_reflection<ReflectionOfSmallPtr> //
::build {};
static_assert(!pro::proxiable<MockMovablePtr, RelocatableFacadeWithReflection>);
static_assert(
!pro::proxiable<MockCopyablePtr, RelocatableFacadeWithReflection>);
static_assert(
pro::proxiable<MockCopyableSmallPtr, RelocatableFacadeWithReflection>);
static_assert(pro::proxiable<MockTrivialPtr, RelocatableFacadeWithReflection>);
static_assert(pro::proxiable<MockFunctionPtr, RelocatableFacadeWithReflection>);
struct RuntimeReflection {
template <class P>
explicit RuntimeReflection(std::in_place_type_t<P>) {
throw std::runtime_error{"Not supported"};
}
};
struct FacadeWithRuntimeReflection : pro::facade_builder //
::add_reflection<RuntimeReflection> //
::build {};
static_assert(!pro::proxiable<MockTrivialPtr, FacadeWithRuntimeReflection>);
struct FacadeWithTupleLikeConventions {
struct ToStringConvention {
static constexpr bool is_direct = false;
using dispatch_type = utils::spec::FreeToString;
using overload_types = std::tuple<std::string()>;
};
using convention_types = std::array<ToStringConvention, 1>;
using reflection_types = std::tuple<>;
static constexpr auto constraints = pro::proxiable_ptr_constraints{
.max_size = 2 * sizeof(void*),
.max_align = alignof(void*),
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
};
static_assert(pro::facade<FacadeWithTupleLikeConventions>);
struct BadFacade_MissingConventionTypes {
using reflection_types = std::tuple<>;
static constexpr auto constraints = pro::proxiable_ptr_constraints{
.max_size = 2 * sizeof(void*),
.max_align = alignof(void*),
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
};
static_assert(!pro::facade<BadFacade_MissingConventionTypes>);
struct BadFacade_BadConventionTypes {
using convention_types = int;
using reflection_types = std::tuple<>;
static constexpr auto constraints = pro::proxiable_ptr_constraints{
.max_size = 2 * sizeof(void*),
.max_align = alignof(void*),
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
};
static_assert(!pro::facade<BadFacade_BadConventionTypes>);
struct BadFacade_MissingConstraints {
using convention_types = std::tuple<>;
using reflection_types = std::tuple<>;
};
static_assert(!pro::facade<BadFacade_MissingConstraints>);
struct BadFacade_BadConstraints_UnexpectedType {
using convention_types = std::tuple<>;
using reflection_types = std::tuple<>;
static constexpr auto constraints = 0;
};
static_assert(!pro::facade<BadFacade_BadConstraints_UnexpectedType>);
struct BadFacade_BadConstraints_BadAlignment {
using convention_types = std::tuple<>;
using reflection_types = std::tuple<>;
static constexpr pro::proxiable_ptr_constraints constraints{
.max_size = 6u,
.max_align = 6u, // Should be a power of 2
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
};
static_assert(!pro::facade<BadFacade_BadConstraints_BadAlignment>);
struct BadFacade_BadConstraints_BadSize {
using convention_types = std::tuple<>;
using reflection_types = std::tuple<>;
static constexpr pro::proxiable_ptr_constraints constraints{
.max_size = 6u, // Should be a multiple of max_alignment
.max_align = 4u,
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
};
static_assert(!pro::facade<BadFacade_BadConstraints_BadSize>);
struct BadFacade_BadConstraints_NotConstant {
using convention_types = std::tuple<>;
using reflection_types = std::tuple<>;
static const pro::proxiable_ptr_constraints constraints;
};
static_assert(!pro::facade<BadFacade_BadConstraints_NotConstant>);
const pro::proxiable_ptr_constraints
BadFacade_BadConstraints_NotConstant::constraints{
.max_size = 2 * sizeof(void*),
.max_align = alignof(void*),
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
struct BadFacade_MissingReflectionTypes {
using convention_types = std::tuple<>;
static constexpr auto constraints = pro::proxiable_ptr_constraints{
.max_size = 2 * sizeof(void*),
.max_align = alignof(void*),
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
};
static_assert(!pro::facade<BadFacade_MissingReflectionTypes>);
struct BadReflection {
BadReflection() = delete;
};
struct BadFacade_BadReflectionType {
using convention_types = std::tuple<>;
using reflection_types = std::tuple<BadReflection>;
static constexpr auto constraints = pro::proxiable_ptr_constraints{
.max_size = 2 * sizeof(void*),
.max_align = alignof(void*),
.copyability = pro::constraint_level::none,
.relocatability = pro::constraint_level::nothrow,
.destructibility = pro::constraint_level::nothrow,
};
};
static_assert(!pro::facade<BadFacade_BadReflectionType>);
PRO_DEF_MEM_DISPATCH(MemFoo, Foo);
PRO_DEF_MEM_DISPATCH(MemBar, Bar);
struct BigFacade : pro::facade_builder //
::add_convention<MemFoo, void(), void(int)> //
::add_convention<MemBar, void(), void(int)> //
::add_direct_convention<MemFoo, void(), void(int)> //
::add_direct_convention<MemBar, void(), void(int)> //
::build {};
static_assert(sizeof(pro::proxy<BigFacade>) ==
3 * sizeof(void*)); // Accessors should not add paddings
struct FacadeWithSizeOfNonPowerOfTwo : pro::facade_builder //
::restrict_layout<6u> //
::build {};
static_assert(pro::facade<FacadeWithSizeOfNonPowerOfTwo>);
static_assert(FacadeWithSizeOfNonPowerOfTwo::constraints.max_size == 6u);
static_assert(FacadeWithSizeOfNonPowerOfTwo::constraints.max_align == 2u);
} // namespace proxy_traits_tests_details