libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/function.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // type_traits
  10
  11 // function
  12
  13 #include <type_traits>
  14
  15 #include "test_macros.h"
  16
  17 template <class T>
  18 void test_function_imp()
  19 {
  20     static_assert(!std::is_reference<T>::value, "");
  21     static_assert(!std::is_arithmetic<T>::value, "");
  22     static_assert(!std::is_fundamental<T>::value, "");
  23     static_assert(!std::is_object<T>::value, "");
  24     static_assert(!std::is_scalar<T>::value, "");
  25     static_assert( std::is_compound<T>::value, "");
  26     static_assert(!std::is_member_pointer<T>::value, "");
  27 }
  28
  29 template <class T>
  30 void test_function()
  31 {
  32     test_function_imp<T>();
  33     test_function_imp<const T>();
  34     test_function_imp<volatile T>();
  35     test_function_imp<const volatile T>();
  36 }
  37
  38 int main(int, char**)
  39 {
  40     test_function<void ()>();
  41     test_function<void (int)>();
  42     test_function<int (double)>();
  43     test_function<int (double, char)>();
  44
  45   return 0;
  46 }