You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/floating_point.pass.cpp

58 lines
1.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// floating_point
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_floating_point_imp()
{
static_assert(!std::is_void<T>::value, "");
#if TEST_STD_VER > 11
static_assert(!std::is_null_pointer<T>::value, "");
#endif
static_assert(!std::is_integral<T>::value, "");
static_assert( std::is_floating_point<T>::value, "");
static_assert(!std::is_array<T>::value, "");
static_assert(!std::is_pointer<T>::value, "");
static_assert(!std::is_lvalue_reference<T>::value, "");
static_assert(!std::is_rvalue_reference<T>::value, "");
static_assert(!std::is_member_object_pointer<T>::value, "");
static_assert(!std::is_member_function_pointer<T>::value, "");
static_assert(!std::is_enum<T>::value, "");
static_assert(!std::is_union<T>::value, "");
static_assert(!std::is_class<T>::value, "");
static_assert(!std::is_function<T>::value, "");
}
template <class T>
void test_floating_point()
{
test_floating_point_imp<T>();
test_floating_point_imp<const T>();
test_floating_point_imp<volatile T>();
test_floating_point_imp<const volatile T>();
}
struct incomplete_type;
int main()
{
test_floating_point<float>();
test_floating_point<double>();
test_floating_point<long double>();
// LWG#2582
static_assert(!std::is_floating_point<incomplete_type>::value, "");
}