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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/FunctionTypeTraits.h"
#include <functional>
using mozilla::FunctionTypeTraits;
void f0() {}
int f1(char) { return 0; }
#ifdef NS_HAVE_STDCALL
void NS_STDCALL f0s() {}
int NS_STDCALL f1s(char) { return 0; }
#endif // NS_HAVE_STDCALL
struct S {
void f0() {}
void f0c() const {}
int f1(char) { return 0; }
int f1c(char) const { return 0; }
#ifdef NS_HAVE_STDCALL
void NS_STDCALL f0s() {}
void NS_STDCALL f0cs() const {}
int NS_STDCALL f1s(char) { return 0; }
int NS_STDCALL f1cs(char) const { return 0; }
#endif // NS_HAVE_STDCALL
};
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(f0)>::ReturnType,
void>::value,
"f0 returns void");
static_assert(FunctionTypeTraits<decltype(f0)>::arity == 0,
"f0 takes no parameters");
static_assert(
std::is_same<
typename FunctionTypeTraits<decltype(f0)>::template ParameterType<0>,
void>::value,
"f0 has no first parameter");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f0)>::ReturnType,
void>::value,
"S::f0 returns void");
static_assert(FunctionTypeTraits<decltype(&S::f0)>::arity == 0,
"S::f0 takes no parameters");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f0)>::template ParameterType<0>,
void>::value,
"S::f0 has no first parameter");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f0c)>::ReturnType,
void>::value,
"S::f0c returns void");
static_assert(FunctionTypeTraits<decltype(&S::f0c)>::arity == 0,
"S::f0c takes no parameters");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f0c)>::template ParameterType<0>,
void>::value,
"S::f0c has no first parameter");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(f1)>::ReturnType,
int>::value,
"f1 returns int");
static_assert(FunctionTypeTraits<decltype(f1)>::arity == 1,
"f1 takes one parameter");
static_assert(
std::is_same<
typename FunctionTypeTraits<decltype(f1)>::template ParameterType<0>,
char>::value,
"f1 takes a char");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f1)>::ReturnType,
int>::value,
"S::f1 returns int");
static_assert(FunctionTypeTraits<decltype(&S::f1)>::arity == 1,
"S::f1 takes one parameter");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f1)>::template ParameterType<0>,
char>::value,
"S::f1 takes a char");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f1c)>::ReturnType,
int>::value,
"S::f1c returns int");
static_assert(FunctionTypeTraits<decltype(&S::f1c)>::arity == 1,
"S::f1c takes one parameter");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f1c)>::template ParameterType<0>,
char>::value,
"S::f1c takes a char");
#ifdef NS_HAVE_STDCALL
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(f0s)>::ReturnType,
void>::value,
"f0s returns void");
static_assert(FunctionTypeTraits<decltype(f0s)>::arity == 0,
"f0s takes no parameters");
static_assert(
std::is_same<
typename FunctionTypeTraits<decltype(f0s)>::template ParameterType<0>,
void>::value,
"f0s has no first parameter");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f0s)>::ReturnType,
void>::value,
"S::f0s returns void");
static_assert(FunctionTypeTraits<decltype(&S::f0s)>::arity == 0,
"S::f0s takes no parameters");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f0s)>::template ParameterType<0>,
void>::value,
"S::f0s has no first parameter");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f0cs)>::ReturnType,
void>::value,
"S::f0cs returns void");
static_assert(FunctionTypeTraits<decltype(&S::f0cs)>::arity == 0,
"S::f0cs takes no parameters");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f0cs)>::template ParameterType<0>,
void>::value,
"S::f0cs has no first parameter");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(f1s)>::ReturnType,
int>::value,
"f1s returns int");
static_assert(FunctionTypeTraits<decltype(f1s)>::arity == 1,
"f1s takes one parameter");
static_assert(
std::is_same<
typename FunctionTypeTraits<decltype(f1s)>::template ParameterType<0>,
char>::value,
"f1s takes a char");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f1s)>::ReturnType,
int>::value,
"S::f1s returns int");
static_assert(FunctionTypeTraits<decltype(&S::f1s)>::arity == 1,
"S::f1s takes one parameter");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f1s)>::template ParameterType<0>,
char>::value,
"S::f1s takes a char");
static_assert(
std::is_same<typename FunctionTypeTraits<decltype(&S::f1cs)>::ReturnType,
int>::value,
"S::f1cs returns int");
static_assert(FunctionTypeTraits<decltype(&S::f1cs)>::arity == 1,
"S::f1cs takes one parameter");
static_assert(std::is_same<typename FunctionTypeTraits<
decltype(&S::f1cs)>::template ParameterType<0>,
char>::value,
"S::f1cs takes a char");
#endif // NS_HAVE_STDCALL
template <typename F>
void TestVoidVoid(F&&) {
static_assert(
std::is_same<typename FunctionTypeTraits<F>::ReturnType, void>::value,
"Should return void");
static_assert(FunctionTypeTraits<F>::arity == 0, "Should take no parameters");
static_assert(
std::is_same<typename FunctionTypeTraits<F>::template ParameterType<0>,
void>::value,
"Should have no first parameter");
}
template <typename F>
void TestIntChar(F&&) {
static_assert(
std::is_same<typename FunctionTypeTraits<F>::ReturnType, int>::value,
"Should return int");
static_assert(FunctionTypeTraits<F>::arity == 1, "Should take one parameter");
static_assert(
std::is_same<typename FunctionTypeTraits<F>::template ParameterType<0>,
char>::value,
"Should take a char");
}
int main() {
TestVoidVoid(f0);
TestVoidVoid(&f0);
TestVoidVoid(&S::f0);
TestVoidVoid(&S::f0c);
TestVoidVoid([]() {});
std::function<void()> ff0 = f0;
TestVoidVoid(ff0);
TestIntChar(f1);
TestIntChar(&f1);
TestIntChar(&S::f1);
TestIntChar(&S::f1c);
TestIntChar([](char) { return 0; });
std::function<int(char)> ff1 = f1;
TestIntChar(ff1);
#ifdef NS_HAVE_STDCALL
TestVoidVoid(f0s);
TestVoidVoid(&f0s);
TestVoidVoid(&S::f0s);
TestVoidVoid(&S::f0cs);
std::function<void()> ff0s = f0s;
TestVoidVoid(ff0s);
TestIntChar(f1s);
TestIntChar(&f1s);
TestIntChar(&S::f1s);
TestIntChar(&S::f1cs);
std::function<int(char)> ff1s = f1s;
TestIntChar(ff1s);
#endif // NS_HAVE_STDCALL
return 0;
}
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