mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
478 lines
20 KiB
C++
478 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Assertions.h"
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#include "mozilla/TypeTraits.h"
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using mozilla::AddLvalueReference;
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using mozilla::IsArray;
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using mozilla::IsBaseOf;
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using mozilla::IsClass;
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using mozilla::IsConvertible;
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using mozilla::IsEmpty;
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using mozilla::IsLvalueReference;
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using mozilla::IsPointer;
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using mozilla::IsReference;
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using mozilla::IsRvalueReference;
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using mozilla::IsSame;
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using mozilla::IsSigned;
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using mozilla::IsUnsigned;
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using mozilla::MakeSigned;
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using mozilla::MakeUnsigned;
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using mozilla::RemoveExtent;
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using mozilla::RemovePointer;
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static_assert(!IsArray<bool>::value,
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"bool not an array");
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static_assert(IsArray<bool[]>::value,
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"bool[] is an array");
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static_assert(IsArray<bool[5]>::value,
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"bool[5] is an array");
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static_assert(!IsPointer<bool>::value,
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"bool not a pointer");
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static_assert(IsPointer<bool*>::value,
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"bool* is a pointer");
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static_assert(IsPointer<bool* const>::value,
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"bool* const is a pointer");
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static_assert(IsPointer<bool* volatile>::value,
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"bool* volatile is a pointer");
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static_assert(IsPointer<bool* const volatile>::value,
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"bool* const volatile is a pointer");
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static_assert(IsPointer<bool**>::value,
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"bool** is a pointer");
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static_assert(IsPointer<void (*)(void)>::value,
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"void (*)(void) is a pointer");
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struct IsPointerTest { bool m; void f(); };
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static_assert(!IsPointer<IsPointerTest>::value,
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"IsPointerTest not a pointer");
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static_assert(IsPointer<IsPointerTest*>::value,
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"IsPointerTest* is a pointer");
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static_assert(!IsPointer<bool(IsPointerTest::*)>::value,
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"bool(IsPointerTest::*) not a pointer");
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static_assert(!IsPointer<void(IsPointerTest::*)(void)>::value,
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"void(IsPointerTest::*)(void) not a pointer");
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static_assert(!IsLvalueReference<bool>::value,
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"bool not an lvalue reference");
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static_assert(!IsLvalueReference<bool*>::value,
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"bool* not an lvalue reference");
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static_assert(IsLvalueReference<bool&>::value,
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"bool& is an lvalue reference");
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static_assert(!IsLvalueReference<bool&&>::value,
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"bool&& not an lvalue reference");
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static_assert(!IsLvalueReference<void>::value,
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"void not an lvalue reference");
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static_assert(!IsLvalueReference<void*>::value,
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"void* not an lvalue reference");
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static_assert(!IsLvalueReference<int>::value,
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"int not an lvalue reference");
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static_assert(!IsLvalueReference<int*>::value,
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"int* not an lvalue reference");
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static_assert(IsLvalueReference<int&>::value,
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"int& is an lvalue reference");
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static_assert(!IsLvalueReference<int&&>::value,
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"int&& not an lvalue reference");
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static_assert(!IsRvalueReference<bool>::value,
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"bool not an rvalue reference");
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static_assert(!IsRvalueReference<bool*>::value,
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"bool* not an rvalue reference");
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static_assert(!IsRvalueReference<bool&>::value,
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"bool& not an rvalue reference");
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static_assert(IsRvalueReference<bool&&>::value,
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"bool&& is an rvalue reference");
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static_assert(!IsRvalueReference<void>::value,
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"void not an rvalue reference");
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static_assert(!IsRvalueReference<void*>::value,
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"void* not an rvalue reference");
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static_assert(!IsRvalueReference<int>::value,
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"int not an rvalue reference");
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static_assert(!IsRvalueReference<int*>::value,
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"int* not an rvalue reference");
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static_assert(!IsRvalueReference<int&>::value,
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"int& not an rvalue reference");
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static_assert(IsRvalueReference<int&&>::value,
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"int&& is an rvalue reference");
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static_assert(!IsReference<bool>::value,
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"bool not a reference");
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static_assert(!IsReference<bool*>::value,
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"bool* not a reference");
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static_assert(IsReference<bool&>::value,
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"bool& is a reference");
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static_assert(IsReference<bool&&>::value,
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"bool&& is a reference");
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static_assert(!IsReference<void>::value,
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"void not a reference");
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static_assert(!IsReference<void*>::value,
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"void* not a reference");
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static_assert(!IsReference<int>::value,
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"int not a reference");
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static_assert(!IsReference<int*>::value,
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"int* not a reference");
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static_assert(IsReference<int&>::value,
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"int& is a reference");
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static_assert(IsReference<int&&>::value,
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"int&& is a reference");
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struct S1 {};
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union U1 { int mX; };
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static_assert(!IsClass<int>::value,
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"int isn't a class");
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static_assert(IsClass<const S1>::value,
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"S is a class");
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static_assert(!IsClass<U1>::value,
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"U isn't a class");
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static_assert(!mozilla::IsEmpty<int>::value,
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"not a class => not empty");
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static_assert(!mozilla::IsEmpty<bool[5]>::value,
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"not a class => not empty");
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static_assert(!mozilla::IsEmpty<U1>::value,
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"not a class => not empty");
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struct E1 {};
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struct E2 { int : 0; };
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struct E3 : E1 {};
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struct E4 : E2 {};
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static_assert(IsEmpty<const volatile S1>::value,
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"S should be empty");
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static_assert(mozilla::IsEmpty<E1>::value &&
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mozilla::IsEmpty<E2>::value &&
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mozilla::IsEmpty<E3>::value &&
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mozilla::IsEmpty<E4>::value,
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"all empty");
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union U2 { E1 e1; };
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static_assert(!mozilla::IsEmpty<U2>::value,
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"not a class => not empty");
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struct NE1 { int mX; };
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struct NE2 : virtual E1 {};
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struct NE3 : E2 { virtual ~NE3() {} };
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struct NE4 { virtual void f() {} };
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static_assert(!mozilla::IsEmpty<NE1>::value &&
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!mozilla::IsEmpty<NE2>::value &&
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!mozilla::IsEmpty<NE3>::value &&
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!mozilla::IsEmpty<NE4>::value,
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"all empty");
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static_assert(!IsSigned<bool>::value,
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"bool shouldn't be signed");
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static_assert(IsUnsigned<bool>::value,
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"bool should be unsigned");
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static_assert(!IsSigned<const bool>::value,
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"const bool shouldn't be signed");
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static_assert(IsUnsigned<const bool>::value,
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"const bool should be unsigned");
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static_assert(!IsSigned<volatile bool>::value,
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"volatile bool shouldn't be signed");
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static_assert(IsUnsigned<volatile bool>::value,
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"volatile bool should be unsigned");
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static_assert(!IsSigned<unsigned char>::value,
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"unsigned char shouldn't be signed");
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static_assert(IsUnsigned<unsigned char>::value,
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"unsigned char should be unsigned");
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static_assert(IsSigned<signed char>::value,
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"signed char should be signed");
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static_assert(!IsUnsigned<signed char>::value,
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"signed char shouldn't be unsigned");
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static_assert(!IsSigned<unsigned short>::value,
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"unsigned short shouldn't be signed");
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static_assert(IsUnsigned<unsigned short>::value,
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"unsigned short should be unsigned");
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static_assert(IsSigned<short>::value,
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"short should be signed");
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static_assert(!IsUnsigned<short>::value,
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"short shouldn't be unsigned");
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static_assert(!IsSigned<unsigned int>::value,
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"unsigned int shouldn't be signed");
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static_assert(IsUnsigned<unsigned int>::value,
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"unsigned int should be unsigned");
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static_assert(IsSigned<int>::value,
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"int should be signed");
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static_assert(!IsUnsigned<int>::value,
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"int shouldn't be unsigned");
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static_assert(!IsSigned<unsigned long>::value,
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"unsigned long shouldn't be signed");
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static_assert(IsUnsigned<unsigned long>::value,
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"unsigned long should be unsigned");
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static_assert(IsSigned<long>::value,
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"long should be signed");
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static_assert(!IsUnsigned<long>::value,
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"long shouldn't be unsigned");
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static_assert(IsSigned<float>::value,
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"float should be signed");
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static_assert(!IsUnsigned<float>::value,
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"float shouldn't be unsigned");
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static_assert(IsSigned<const float>::value,
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"const float should be signed");
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static_assert(!IsUnsigned<const float>::value,
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"const float shouldn't be unsigned");
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static_assert(IsSigned<double>::value,
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"double should be signed");
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static_assert(!IsUnsigned<double>::value,
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"double shouldn't be unsigned");
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static_assert(IsSigned<volatile double>::value,
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"volatile double should be signed");
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static_assert(!IsUnsigned<volatile double>::value,
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"volatile double shouldn't be unsigned");
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static_assert(IsSigned<long double>::value,
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"long double should be signed");
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static_assert(!IsUnsigned<long double>::value,
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"long double shouldn't be unsigned");
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static_assert(IsSigned<const volatile long double>::value,
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"const volatile long double should be signed");
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static_assert(!IsUnsigned<const volatile long double>::value,
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"const volatile long double shouldn't be unsigned");
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class NotIntConstructible
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{
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NotIntConstructible(int) = delete;
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};
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static_assert(!IsSigned<NotIntConstructible>::value,
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"non-arithmetic types are not signed");
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static_assert(!IsUnsigned<NotIntConstructible>::value,
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"non-arithmetic types are not unsigned");
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namespace CPlusPlus11IsBaseOf {
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// Adapted from C++11 § 20.9.6.
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struct B {};
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struct B1 : B {};
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struct B2 : B {};
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struct D : private B1, private B2 {};
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static void
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StandardIsBaseOfTests()
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{
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static_assert((IsBaseOf<B, D>::value) == true,
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"IsBaseOf fails on diamond");
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static_assert((IsBaseOf<const B, D>::value) == true,
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"IsBaseOf fails on diamond plus constness change");
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static_assert((IsBaseOf<B, const D>::value) == true,
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"IsBaseOf fails on diamond plus constness change");
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static_assert((IsBaseOf<B, const B>::value) == true,
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"IsBaseOf fails on constness change");
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static_assert((IsBaseOf<D, B>::value) == false,
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"IsBaseOf got the direction of inheritance wrong");
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static_assert((IsBaseOf<B&, D&>::value) == false,
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"IsBaseOf should return false on references");
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static_assert((IsBaseOf<B[3], D[3]>::value) == false,
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"IsBaseOf should return false on arrays");
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// We fail at the following test. To fix it, we need to specialize IsBaseOf
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// for all built-in types.
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// static_assert((IsBaseOf<int, int>::value) == false);
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}
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} /* namespace CPlusPlus11IsBaseOf */
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class A { };
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class B : public A { };
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class C : private A { };
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class D { };
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class E : public A { };
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class F : public B, public E { };
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static void
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TestIsBaseOf()
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{
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static_assert((IsBaseOf<A, B>::value),
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"A is a base of B");
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static_assert((!IsBaseOf<B, A>::value),
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"B is not a base of A");
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static_assert((IsBaseOf<A, C>::value),
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"A is a base of C");
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static_assert((!IsBaseOf<C, A>::value),
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"C is not a base of A");
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static_assert((IsBaseOf<A, F>::value),
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"A is a base of F");
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static_assert((!IsBaseOf<F, A>::value),
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"F is not a base of A");
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static_assert((!IsBaseOf<A, D>::value),
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"A is not a base of D");
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static_assert((!IsBaseOf<D, A>::value),
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"D is not a base of A");
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static_assert((IsBaseOf<B, B>::value),
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"B is the same as B (and therefore, a base of B)");
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}
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static void
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TestIsConvertible()
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{
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// Pointer type convertibility
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static_assert((IsConvertible<A*, A*>::value),
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"A* should convert to A*");
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static_assert((IsConvertible<B*, A*>::value),
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"B* should convert to A*");
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static_assert((!IsConvertible<A*, B*>::value),
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"A* shouldn't convert to B*");
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static_assert((!IsConvertible<A*, C*>::value),
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"A* shouldn't convert to C*");
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static_assert((!IsConvertible<A*, D*>::value),
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"A* shouldn't convert to unrelated D*");
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static_assert((!IsConvertible<D*, A*>::value),
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"D* shouldn't convert to unrelated A*");
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// Instance type convertibility
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static_assert((IsConvertible<A, A>::value),
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"A is A");
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static_assert((IsConvertible<B, A>::value),
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"B converts to A");
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static_assert((!IsConvertible<D, A>::value),
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"D and A are unrelated");
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static_assert((!IsConvertible<A, D>::value),
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"A and D are unrelated");
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// These cases seem to require C++11 support to properly implement them, so
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// for now just disable them.
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//static_assert((!IsConvertible<C*, A*>::value),
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// "C* shouldn't convert to A* (private inheritance)");
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//static_assert((!IsConvertible<C, A>::value),
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// "C doesn't convert to A (private inheritance)");
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}
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static_assert(IsSame<AddLvalueReference<int>::Type, int&>::value,
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"not adding & to int correctly");
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static_assert(IsSame<AddLvalueReference<volatile int&>::Type, volatile int&>::value,
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"not adding & to volatile int& correctly");
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static_assert(IsSame<AddLvalueReference<void*>::Type, void*&>::value,
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"not adding & to void* correctly");
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static_assert(IsSame<AddLvalueReference<void>::Type, void>::value,
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"void shouldn't be transformed by AddLvalueReference");
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static_assert(IsSame<AddLvalueReference<struct S1&&>::Type, struct S1&>::value,
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"not reference-collapsing struct S1&& & to struct S1& correctly");
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static_assert(IsSame<MakeSigned<const unsigned char>::Type, const signed char>::value,
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"const unsigned char won't signify correctly");
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static_assert(IsSame<MakeSigned<volatile unsigned short>::Type, volatile signed short>::value,
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"volatile unsigned short won't signify correctly");
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static_assert(IsSame<MakeSigned<const volatile unsigned int>::Type, const volatile signed int>::value,
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"const volatile unsigned int won't signify correctly");
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static_assert(IsSame<MakeSigned<unsigned long>::Type, signed long>::value,
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"unsigned long won't signify correctly");
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static_assert(IsSame<MakeSigned<const signed char>::Type, const signed char>::value,
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"const signed char won't signify correctly");
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static_assert(IsSame<MakeSigned<volatile signed short>::Type, volatile signed short>::value,
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"volatile signed short won't signify correctly");
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static_assert(IsSame<MakeSigned<const volatile signed int>::Type, const volatile signed int>::value,
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"const volatile signed int won't signify correctly");
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static_assert(IsSame<MakeSigned<signed long>::Type, signed long>::value,
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"signed long won't signify correctly");
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static_assert(IsSame<MakeSigned<char>::Type, signed char>::value,
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"char won't signify correctly");
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static_assert(IsSame<MakeSigned<volatile char>::Type, volatile signed char>::value,
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"volatile char won't signify correctly");
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static_assert(IsSame<MakeSigned<const char>::Type, const signed char>::value,
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"const char won't signify correctly");
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static_assert(IsSame<MakeUnsigned<const signed char>::Type, const unsigned char>::value,
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"const signed char won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<volatile signed short>::Type, volatile unsigned short>::value,
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"volatile signed short won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<const volatile signed int>::Type, const volatile unsigned int>::value,
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"const volatile signed int won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<signed long>::Type, unsigned long>::value,
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"signed long won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<const unsigned char>::Type, const unsigned char>::value,
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"const unsigned char won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<volatile unsigned short>::Type, volatile unsigned short>::value,
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"volatile unsigned short won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<const volatile unsigned int>::Type, const volatile unsigned int>::value,
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"const volatile unsigned int won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<unsigned long>::Type, unsigned long>::value,
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"signed long won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<char>::Type, unsigned char>::value,
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"char won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<volatile char>::Type, volatile unsigned char>::value,
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"volatile char won't unsignify correctly");
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static_assert(IsSame<MakeUnsigned<const char>::Type, const unsigned char>::value,
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"const char won't unsignify correctly");
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static_assert(IsSame<RemoveExtent<int>::Type, int>::value,
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"removing extent from non-array must return the non-array");
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static_assert(IsSame<RemoveExtent<const int[]>::Type, const int>::value,
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"removing extent from unknown-bound array must return element type");
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static_assert(IsSame<RemoveExtent<volatile int[5]>::Type, volatile int>::value,
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"removing extent from known-bound array must return element type");
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static_assert(IsSame<RemoveExtent<long[][17]>::Type, long[17]>::value,
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"removing extent from multidimensional array must return element type");
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struct TestRemovePointer { bool m; void f(); };
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static_assert(IsSame<RemovePointer<int>::Type, int>::value,
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"removing pointer from int must return int");
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static_assert(IsSame<RemovePointer<int*>::Type, int>::value,
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"removing pointer from int* must return int");
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static_assert(IsSame<RemovePointer<int* const>::Type, int>::value,
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"removing pointer from int* const must return int");
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static_assert(IsSame<RemovePointer<int* volatile>::Type, int>::value,
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"removing pointer from int* volatile must return int");
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static_assert(IsSame<RemovePointer<const long*>::Type, const long>::value,
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"removing pointer from const long* must return const long");
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static_assert(IsSame<RemovePointer<void* const>::Type, void>::value,
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"removing pointer from void* const must return void");
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static_assert(IsSame<RemovePointer<void (TestRemovePointer::*)()>::Type,
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void (TestRemovePointer::*)()>::value,
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"removing pointer from void (S::*)() must return void (S::*)()");
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static_assert(IsSame<RemovePointer<void (*)()>::Type, void()>::value,
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"removing pointer from void (*)() must return void()");
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static_assert(IsSame<RemovePointer<bool TestRemovePointer::*>::Type,
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bool TestRemovePointer::*>::value,
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"removing pointer from bool S::* must return bool S::*");
|
|
|
|
/*
|
|
* Android's broken [u]intptr_t inttype macros are broken because its PRI*PTR
|
|
* macros are defined as "ld", but sizeof(long) is 8 and sizeof(intptr_t)
|
|
* is 4 on 32-bit Android. We redefine Android's PRI*PTR macros in
|
|
* IntegerPrintfMacros.h and assert here that our new definitions match the
|
|
* actual type sizes seen at compile time.
|
|
*/
|
|
#if defined(ANDROID) && !defined(__LP64__)
|
|
static_assert(mozilla::IsSame<int, intptr_t>::value,
|
|
"emulated PRI[di]PTR definitions will be wrong");
|
|
static_assert(mozilla::IsSame<unsigned int, uintptr_t>::value,
|
|
"emulated PRI[ouxX]PTR definitions will be wrong");
|
|
#endif
|
|
|
|
int
|
|
main()
|
|
{
|
|
CPlusPlus11IsBaseOf::StandardIsBaseOfTests();
|
|
TestIsBaseOf();
|
|
TestIsConvertible();
|
|
return 0;
|
|
}
|