libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_nothrow_move_constructible.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 // has_nothrow_move_constructor
  12
  13 #include <type_traits>
  14 #include "test_macros.h"
  15
  16 #include "common.h"
  17
  18 template <class T>
  19 void test_is_nothrow_move_constructible()
  20 {
  21     static_assert( std::is_nothrow_move_constructible<T>::value, "");
  22     static_assert( std::is_nothrow_move_constructible<const T>::value, "");
  23 #if TEST_STD_VER > 14
  24     static_assert( std::is_nothrow_move_constructible_v<T>, "");
  25     static_assert( std::is_nothrow_move_constructible_v<const T>, "");
  26 #endif
  27 }
  28
  29 template <class T>
  30 void test_has_not_nothrow_move_constructor()
  31 {
  32     static_assert(!std::is_nothrow_move_constructible<T>::value, "");
  33     static_assert(!std::is_nothrow_move_constructible<const T>::value, "");
  34     static_assert(!std::is_nothrow_move_constructible<volatile T>::value, "");
  35     static_assert(!std::is_nothrow_move_constructible<const volatile T>::value, "");
  36 #if TEST_STD_VER > 14
  37     static_assert(!std::is_nothrow_move_constructible_v<T>, "");
  38     static_assert(!std::is_nothrow_move_constructible_v<const T>, "");
  39     static_assert(!std::is_nothrow_move_constructible_v<volatile T>, "");
  40     static_assert(!std::is_nothrow_move_constructible_v<const volatile T>, "");
  41 #endif
  42 }
  43
  44 int main(int, char**)
  45 {
  46     test_has_not_nothrow_move_constructor<void>();
  47     test_has_not_nothrow_move_constructor<A>();
  48 // TODO: enable the test for GCC once https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106611 is resolved
  49 #if TEST_STD_VER >= 11 && !defined(TEST_COMPILER_GCC)
  50     test_has_not_nothrow_move_constructor<TrivialNotNoexcept>();
  51 #endif
  52
  53     test_is_nothrow_move_constructible<int&>();
  54     test_is_nothrow_move_constructible<Union>();
  55     test_is_nothrow_move_constructible<Empty>();
  56     test_is_nothrow_move_constructible<int>();
  57     test_is_nothrow_move_constructible<double>();
  58     test_is_nothrow_move_constructible<int*>();
  59     test_is_nothrow_move_constructible<const int*>();
  60     test_is_nothrow_move_constructible<bit_zero>();
  61
  62   return 0;
  63 }