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 // is_volatile 13 14 #include <type_traits> 15 #include "test_macros.h" 16 17 template <class T> 18 void test_is_volatile() 19 { 20 static_assert(!std::is_volatile<T>::value, ""); 21 static_assert(!std::is_volatile<const T>::value, ""); 22 static_assert( std::is_volatile<volatile T>::value, ""); 23 static_assert( std::is_volatile<const volatile T>::value, ""); 24 #if TEST_STD_VER > 14 25 static_assert(!std::is_volatile_v<T>, ""); 26 static_assert(!std::is_volatile_v<const T>, ""); 27 static_assert( std::is_volatile_v<volatile T>, ""); 28 static_assert( std::is_volatile_v<const volatile T>, ""); 29 #endif 30 } 31 32 struct A; // incomplete 33 34 int main() 35 { 36 test_is_volatile<void>(); 37 test_is_volatile<int>(); 38 test_is_volatile<double>(); 39 test_is_volatile<int*>(); 40 test_is_volatile<const int*>(); 41 test_is_volatile<char[3]>(); 42 test_is_volatile<char[]>(); 43 44 test_is_volatile<A>(); 45 46 static_assert(!std::is_volatile<int&>::value, ""); 47 static_assert(!std::is_volatile<volatile int&>::value, ""); 48 } 49
