mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
338 lines
16 KiB
C++
338 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/Assertions.h"
|
|
#include "mozilla/TypeTraits.h"
|
|
|
|
using mozilla::AddLvalueReference;
|
|
using mozilla::IsArray;
|
|
using mozilla::IsBaseOf;
|
|
using mozilla::IsClass;
|
|
using mozilla::IsConvertible;
|
|
using mozilla::IsEmpty;
|
|
using mozilla::IsLvalueReference;
|
|
using mozilla::IsReference;
|
|
using mozilla::IsRvalueReference;
|
|
using mozilla::IsSame;
|
|
using mozilla::IsSigned;
|
|
using mozilla::IsUnsigned;
|
|
using mozilla::MakeSigned;
|
|
using mozilla::MakeUnsigned;
|
|
using mozilla::RemoveExtent;
|
|
|
|
static_assert(!IsArray<bool>::value, "bool not an array");
|
|
static_assert(IsArray<bool[]>::value, "bool[] is an array");
|
|
static_assert(IsArray<bool[5]>::value, "bool[5] is an array");
|
|
|
|
static_assert(!IsLvalueReference<bool>::value, "bool not an lvalue reference");
|
|
static_assert(!IsLvalueReference<bool*>::value, "bool* not an lvalue reference");
|
|
static_assert(IsLvalueReference<bool&>::value, "bool& is an lvalue reference");
|
|
static_assert(!IsLvalueReference<bool&&>::value, "bool&& not an lvalue reference");
|
|
|
|
static_assert(!IsLvalueReference<void>::value, "void not an lvalue reference");
|
|
static_assert(!IsLvalueReference<void*>::value, "void* not an lvalue reference");
|
|
|
|
static_assert(!IsLvalueReference<int>::value, "int not an lvalue reference");
|
|
static_assert(!IsLvalueReference<int*>::value, "int* not an lvalue reference");
|
|
static_assert(IsLvalueReference<int&>::value, "int& is an lvalue reference");
|
|
static_assert(!IsLvalueReference<int&&>::value, "int&& not an lvalue reference");
|
|
|
|
static_assert(!IsRvalueReference<bool>::value, "bool not an rvalue reference");
|
|
static_assert(!IsRvalueReference<bool*>::value, "bool* not an rvalue reference");
|
|
static_assert(!IsRvalueReference<bool&>::value, "bool& not an rvalue reference");
|
|
static_assert(IsRvalueReference<bool&&>::value, "bool&& is an rvalue reference");
|
|
|
|
static_assert(!IsRvalueReference<void>::value, "void not an rvalue reference");
|
|
static_assert(!IsRvalueReference<void*>::value, "void* not an rvalue reference");
|
|
|
|
static_assert(!IsRvalueReference<int>::value, "int not an rvalue reference");
|
|
static_assert(!IsRvalueReference<int*>::value, "int* not an rvalue reference");
|
|
static_assert(!IsRvalueReference<int&>::value, "int& not an rvalue reference");
|
|
static_assert(IsRvalueReference<int&&>::value, "int&& is an rvalue reference");
|
|
|
|
static_assert(!IsReference<bool>::value, "bool not a reference");
|
|
static_assert(!IsReference<bool*>::value, "bool* not a reference");
|
|
static_assert(IsReference<bool&>::value, "bool& is a reference");
|
|
static_assert(IsReference<bool&&>::value, "bool&& is a reference");
|
|
|
|
static_assert(!IsReference<void>::value, "void not a reference");
|
|
static_assert(!IsReference<void*>::value, "void* not a reference");
|
|
|
|
static_assert(!IsReference<int>::value, "int not a reference");
|
|
static_assert(!IsReference<int*>::value, "int* not a reference");
|
|
static_assert(IsReference<int&>::value, "int& is a reference");
|
|
static_assert(IsReference<int&&>::value, "int&& is a reference");
|
|
|
|
struct S1 {};
|
|
union U1 { int x; };
|
|
|
|
static_assert(!IsClass<int>::value, "int isn't a class");
|
|
static_assert(IsClass<const S1>::value, "S is a class");
|
|
static_assert(!IsClass<U1>::value, "U isn't a class");
|
|
|
|
static_assert(!mozilla::IsEmpty<int>::value, "not a class => not empty");
|
|
static_assert(!mozilla::IsEmpty<bool[5]>::value, "not a class => not empty");
|
|
|
|
static_assert(!mozilla::IsEmpty<U1>::value, "not a class => not empty");
|
|
|
|
struct E1 {};
|
|
struct E2 { int : 0; };
|
|
struct E3 : E1 {};
|
|
struct E4 : E2 {};
|
|
|
|
static_assert(IsEmpty<const volatile S1>::value, "S should be empty");
|
|
|
|
static_assert(mozilla::IsEmpty<E1>::value &&
|
|
mozilla::IsEmpty<E2>::value &&
|
|
mozilla::IsEmpty<E3>::value &&
|
|
mozilla::IsEmpty<E4>::value,
|
|
"all empty");
|
|
|
|
union U2 { E1 e1; };
|
|
static_assert(!mozilla::IsEmpty<U2>::value, "not a class => not empty");
|
|
|
|
struct NE1 { int x; };
|
|
struct NE2 : virtual E1 {};
|
|
struct NE3 : E2 { virtual ~NE3() {} };
|
|
struct NE4 { virtual void f() {} };
|
|
|
|
static_assert(!mozilla::IsEmpty<NE1>::value &&
|
|
!mozilla::IsEmpty<NE2>::value &&
|
|
!mozilla::IsEmpty<NE3>::value &&
|
|
!mozilla::IsEmpty<NE4>::value,
|
|
"all empty");
|
|
|
|
static_assert(!IsSigned<bool>::value, "bool shouldn't be signed");
|
|
static_assert(IsUnsigned<bool>::value, "bool should be unsigned");
|
|
|
|
static_assert(!IsSigned<const bool>::value, "const bool shouldn't be signed");
|
|
static_assert(IsUnsigned<const bool>::value, "const bool should be unsigned");
|
|
|
|
static_assert(!IsSigned<volatile bool>::value, "volatile bool shouldn't be signed");
|
|
static_assert(IsUnsigned<volatile bool>::value, "volatile bool should be unsigned");
|
|
|
|
static_assert(!IsSigned<unsigned char>::value, "unsigned char shouldn't be signed");
|
|
static_assert(IsUnsigned<unsigned char>::value, "unsigned char should be unsigned");
|
|
static_assert(IsSigned<signed char>::value, "signed char should be signed");
|
|
static_assert(!IsUnsigned<signed char>::value, "signed char shouldn't be unsigned");
|
|
|
|
static_assert(!IsSigned<unsigned short>::value, "unsigned short shouldn't be signed");
|
|
static_assert(IsUnsigned<unsigned short>::value, "unsigned short should be unsigned");
|
|
static_assert(IsSigned<short>::value, "short should be signed");
|
|
static_assert(!IsUnsigned<short>::value, "short shouldn't be unsigned");
|
|
|
|
static_assert(!IsSigned<unsigned int>::value, "unsigned int shouldn't be signed");
|
|
static_assert(IsUnsigned<unsigned int>::value, "unsigned int should be unsigned");
|
|
static_assert(IsSigned<int>::value, "int should be signed");
|
|
static_assert(!IsUnsigned<int>::value, "int shouldn't be unsigned");
|
|
|
|
static_assert(!IsSigned<unsigned long>::value, "unsigned long shouldn't be signed");
|
|
static_assert(IsUnsigned<unsigned long>::value, "unsigned long should be unsigned");
|
|
static_assert(IsSigned<long>::value, "long should be signed");
|
|
static_assert(!IsUnsigned<long>::value, "long shouldn't be unsigned");
|
|
|
|
static_assert(IsSigned<float>::value, "float should be signed");
|
|
static_assert(!IsUnsigned<float>::value, "float shouldn't be unsigned");
|
|
|
|
static_assert(IsSigned<const float>::value, "const float should be signed");
|
|
static_assert(!IsUnsigned<const float>::value, "const float shouldn't be unsigned");
|
|
|
|
static_assert(IsSigned<double>::value, "double should be signed");
|
|
static_assert(!IsUnsigned<double>::value, "double shouldn't be unsigned");
|
|
|
|
static_assert(IsSigned<volatile double>::value, "volatile double should be signed");
|
|
static_assert(!IsUnsigned<volatile double>::value, "volatile double shouldn't be unsigned");
|
|
|
|
static_assert(IsSigned<long double>::value, "long double should be signed");
|
|
static_assert(!IsUnsigned<long double>::value, "long double shouldn't be unsigned");
|
|
|
|
static_assert(IsSigned<const volatile long double>::value,
|
|
"const volatile long double should be signed");
|
|
static_assert(!IsUnsigned<const volatile long double>::value,
|
|
"const volatile long double shouldn't be unsigned");
|
|
|
|
namespace CPlusPlus11IsBaseOf {
|
|
|
|
// Adapted from C++11 § 20.9.6.
|
|
struct B {};
|
|
struct B1 : B {};
|
|
struct B2 : B {};
|
|
struct D : private B1, private B2 {};
|
|
|
|
static void
|
|
StandardIsBaseOfTests()
|
|
{
|
|
static_assert((IsBaseOf<B, D>::value) == true, "IsBaseOf fails on diamond");
|
|
static_assert((IsBaseOf<const B, D>::value) == true, "IsBaseOf fails on diamond plus constness change");
|
|
static_assert((IsBaseOf<B, const D>::value) == true, "IsBaseOf fails on diamond plus constness change");
|
|
static_assert((IsBaseOf<B, const B>::value) == true, "IsBaseOf fails on constness change");
|
|
static_assert((IsBaseOf<D, B>::value) == false, "IsBaseOf got the direction of inheritance wrong");
|
|
static_assert((IsBaseOf<B&, D&>::value) == false, "IsBaseOf should return false on references");
|
|
static_assert((IsBaseOf<B[3], D[3]>::value) == false, "IsBaseOf should return false on arrays");
|
|
// We fail at the following test. To fix it, we need to specialize IsBaseOf
|
|
// for all built-in types.
|
|
// static_assert((IsBaseOf<int, int>::value) == false);
|
|
}
|
|
|
|
} /* namespace CPlusPlus11IsBaseOf */
|
|
|
|
class A { };
|
|
class B : public A { };
|
|
class C : private A { };
|
|
class D { };
|
|
class E : public A { };
|
|
class F : public B, public E { };
|
|
|
|
static void
|
|
TestIsBaseOf()
|
|
{
|
|
static_assert((IsBaseOf<A, B>::value),
|
|
"A is a base of B");
|
|
static_assert((!IsBaseOf<B, A>::value),
|
|
"B is not a base of A");
|
|
static_assert((IsBaseOf<A, C>::value),
|
|
"A is a base of C");
|
|
static_assert((!IsBaseOf<C, A>::value),
|
|
"C is not a base of A");
|
|
static_assert((IsBaseOf<A, F>::value),
|
|
"A is a base of F");
|
|
static_assert((!IsBaseOf<F, A>::value),
|
|
"F is not a base of A");
|
|
static_assert((!IsBaseOf<A, D>::value),
|
|
"A is not a base of D");
|
|
static_assert((!IsBaseOf<D, A>::value),
|
|
"D is not a base of A");
|
|
static_assert((IsBaseOf<B, B>::value),
|
|
"B is the same as B (and therefore, a base of B)");
|
|
}
|
|
|
|
static void
|
|
TestIsConvertible()
|
|
{
|
|
// Pointer type convertibility
|
|
static_assert((IsConvertible<A*, A*>::value),
|
|
"A* should convert to A*");
|
|
static_assert((IsConvertible<B*, A*>::value),
|
|
"B* should convert to A*");
|
|
static_assert((!IsConvertible<A*, B*>::value),
|
|
"A* shouldn't convert to B*");
|
|
static_assert((!IsConvertible<A*, C*>::value),
|
|
"A* shouldn't convert to C*");
|
|
static_assert((!IsConvertible<A*, D*>::value),
|
|
"A* shouldn't convert to unrelated D*");
|
|
static_assert((!IsConvertible<D*, A*>::value),
|
|
"D* shouldn't convert to unrelated A*");
|
|
|
|
// Instance type convertibility
|
|
static_assert((IsConvertible<A, A>::value),
|
|
"A is A");
|
|
static_assert((IsConvertible<B, A>::value),
|
|
"B converts to A");
|
|
static_assert((!IsConvertible<D, A>::value),
|
|
"D and A are unrelated");
|
|
static_assert((!IsConvertible<A, D>::value),
|
|
"A and D are unrelated");
|
|
|
|
// These cases seem to require C++11 support to properly implement them, so
|
|
// for now just disable them.
|
|
//static_assert((!IsConvertible<C*, A*>::value),
|
|
// "C* shouldn't convert to A* (private inheritance)");
|
|
//static_assert((!IsConvertible<C, A>::value),
|
|
// "C doesn't convert to A (private inheritance)");
|
|
}
|
|
|
|
static_assert(IsSame<AddLvalueReference<int>::Type, int&>::value,
|
|
"not adding & to int correctly");
|
|
static_assert(IsSame<AddLvalueReference<volatile int&>::Type, volatile int&>::value,
|
|
"not adding & to volatile int& correctly");
|
|
static_assert(IsSame<AddLvalueReference<void*>::Type, void*&>::value,
|
|
"not adding & to void* correctly");
|
|
static_assert(IsSame<AddLvalueReference<void>::Type, void>::value,
|
|
"void shouldn't be transformed by AddLvalueReference");
|
|
static_assert(IsSame<AddLvalueReference<struct S1&&>::Type, struct S1&>::value,
|
|
"not reference-collapsing struct S1&& & to struct S1& correctly");
|
|
|
|
static_assert(IsSame<MakeSigned<const unsigned char>::Type, const signed char>::value,
|
|
"const unsigned char won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<volatile unsigned short>::Type, volatile signed short>::value,
|
|
"volatile unsigned short won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<const volatile unsigned int>::Type, const volatile signed int>::value,
|
|
"const volatile unsigned int won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<unsigned long>::Type, signed long>::value,
|
|
"unsigned long won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<const signed char>::Type, const signed char>::value,
|
|
"const signed char won't signify correctly");
|
|
|
|
static_assert(IsSame<MakeSigned<volatile signed short>::Type, volatile signed short>::value,
|
|
"volatile signed short won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<const volatile signed int>::Type, const volatile signed int>::value,
|
|
"const volatile signed int won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<signed long>::Type, signed long>::value,
|
|
"signed long won't signify correctly");
|
|
|
|
static_assert(IsSame<MakeSigned<char>::Type, signed char>::value,
|
|
"char won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<volatile char>::Type, volatile signed char>::value,
|
|
"volatile char won't signify correctly");
|
|
static_assert(IsSame<MakeSigned<const char>::Type, const signed char>::value,
|
|
"const char won't signify correctly");
|
|
|
|
static_assert(IsSame<MakeUnsigned<const signed char>::Type, const unsigned char>::value,
|
|
"const signed char won't unsignify correctly");
|
|
static_assert(IsSame<MakeUnsigned<volatile signed short>::Type, volatile unsigned short>::value,
|
|
"volatile signed short won't unsignify correctly");
|
|
static_assert(IsSame<MakeUnsigned<const volatile signed int>::Type, const volatile unsigned int>::value,
|
|
"const volatile signed int won't unsignify correctly");
|
|
static_assert(IsSame<MakeUnsigned<signed long>::Type, unsigned long>::value,
|
|
"signed long won't unsignify correctly");
|
|
|
|
static_assert(IsSame<MakeUnsigned<const unsigned char>::Type, const unsigned char>::value,
|
|
"const unsigned char won't unsignify correctly");
|
|
|
|
static_assert(IsSame<MakeUnsigned<volatile unsigned short>::Type, volatile unsigned short>::value,
|
|
"volatile unsigned short won't unsignify correctly");
|
|
static_assert(IsSame<MakeUnsigned<const volatile unsigned int>::Type, const volatile unsigned int>::value,
|
|
"const volatile unsigned int won't unsignify correctly");
|
|
static_assert(IsSame<MakeUnsigned<unsigned long>::Type, unsigned long>::value,
|
|
"signed long won't unsignify correctly");
|
|
|
|
static_assert(IsSame<MakeUnsigned<char>::Type, unsigned char>::value,
|
|
"char won't unsignify correctly");
|
|
static_assert(IsSame<MakeUnsigned<volatile char>::Type, volatile unsigned char>::value,
|
|
"volatile char won't unsignify correctly");
|
|
static_assert(IsSame<MakeUnsigned<const char>::Type, const unsigned char>::value,
|
|
"const char won't unsignify correctly");
|
|
|
|
static_assert(IsSame<RemoveExtent<int>::Type, int>::value,
|
|
"removing extent from non-array must return the non-array");
|
|
static_assert(IsSame<RemoveExtent<const int[]>::Type, const int>::value,
|
|
"removing extent from unknown-bound array must return element type");
|
|
static_assert(IsSame<RemoveExtent<volatile int[5]>::Type, volatile int>::value,
|
|
"removing extent from known-bound array must return element type");
|
|
static_assert(IsSame<RemoveExtent<long[][17]>::Type, long[17]>::value,
|
|
"removing extent from multidimensional array must return element type");
|
|
|
|
/*
|
|
* 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();
|
|
}
|