src/third_party/libc++/trunk/test/utilities/meta/meta.unary/meta.unary.cat/member_function_pointer.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // type_traits
  11
  12 // member_function_pointer
  13
  14 #include <type_traits>
  15
  16 template <class T>
  17 void test_member_function_pointer_imp()
  18 {
  19     static_assert(!std::is_void<T>::value, "");
  20 #if _LIBCPP_STD_VER > 11
  21     static_assert(!std::is_null_pointer<T>::value, "");
  22 #endif
  23     static_assert(!std::is_integral<T>::value, "");
  24     static_assert(!std::is_floating_point<T>::value, "");
  25     static_assert(!std::is_array<T>::value, "");
  26     static_assert(!std::is_pointer<T>::value, "");
  27     static_assert(!std::is_lvalue_reference<T>::value, "");
  28     static_assert(!std::is_rvalue_reference<T>::value, "");
  29     static_assert(!std::is_member_object_pointer<T>::value, "");
  30     static_assert( std::is_member_function_pointer<T>::value, "");
  31     static_assert(!std::is_enum<T>::value, "");
  32     static_assert(!std::is_union<T>::value, "");
  33     static_assert(!std::is_class<T>::value, "");
  34     static_assert(!std::is_function<T>::value, "");
  35 }
  36
  37 template <class T>
  38 void test_member_function_pointer()
  39 {
  40     test_member_function_pointer_imp<T>();
  41     test_member_function_pointer_imp<const T>();
  42     test_member_function_pointer_imp<volatile T>();
  43     test_member_function_pointer_imp<const volatile T>();
  44 }
  45
  46 class Class
  47 {
  48 };
  49
  50 int main()
  51 {
  52     test_member_function_pointer<void (Class::*)()>();
  53     test_member_function_pointer<void (Class::*)(int)>();
  54     test_member_function_pointer<void (Class::*)(int, char)>();
  55
  56     test_member_function_pointer<void (Class::*)() const>();
  57     test_member_function_pointer<void (Class::*)(int) const>();
  58     test_member_function_pointer<void (Class::*)(int, char) const>();
  59
  60     test_member_function_pointer<void (Class::*)() volatile>();
  61     test_member_function_pointer<void (Class::*)(int) volatile>();
  62     test_member_function_pointer<void (Class::*)(int, char) volatile>();
  63
  64     test_member_function_pointer<void (Class::*)(...)>();
  65     test_member_function_pointer<void (Class::*)(int, ...)>();
  66     test_member_function_pointer<void (Class::*)(int, char, ...)>();
  67
  68     test_member_function_pointer<void (Class::*)(...) const>();
  69     test_member_function_pointer<void (Class::*)(int, ...) const>();
  70     test_member_function_pointer<void (Class::*)(int, char, ...) const>();
  71
  72     test_member_function_pointer<void (Class::*)(...) volatile>();
  73     test_member_function_pointer<void (Class::*)(int, ...) volatile>();
  74     test_member_function_pointer<void (Class::*)(int, char, ...) volatile>();
  75
  76 #if __cplusplus >= 201103L
  77 // reference qualifiers on functions are a C++11 extension
  78     test_member_function_pointer<void (Class::*)() &&>();
  79     test_member_function_pointer<void (Class::*)(int) &&>();
  80     test_member_function_pointer<void (Class::*)(int, char) &&>();
  81
  82     test_member_function_pointer<void (Class::*)() &>();
  83     test_member_function_pointer<void (Class::*)(int) &>();
  84     test_member_function_pointer<void (Class::*)(int, char) &>();
  85
  86     test_member_function_pointer<void (Class::*)() volatile &&>();
  87     test_member_function_pointer<void (Class::*)(int) volatile &&>();
  88     test_member_function_pointer<void (Class::*)(int, char) volatile &&>();
  89
  90     test_member_function_pointer<void (Class::*)(...) &&>();
  91     test_member_function_pointer<void (Class::*)(int,...) &&>();
  92     test_member_function_pointer<void (Class::*)(int, char,...) &&>();
  93
  94     test_member_function_pointer<void (Class::*)(...) &>();
  95     test_member_function_pointer<void (Class::*)(int,...) &>();
  96     test_member_function_pointer<void (Class::*)(int, char,...) &>();
  97
  98     test_member_function_pointer<void (Class::*)(...) volatile &&>();
  99     test_member_function_pointer<void (Class::*)(int,...) volatile &&>();
 100     test_member_function_pointer<void (Class::*)(int, char,...) volatile &&>();
 101 #endif
 102 }