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_compound 13 14#include <type_traits> 15#include <cstddef> // for std::nullptr_t 16#include "test_macros.h" 17 18template <class T> 19void test_is_compound() 20{ 21 static_assert( std::is_compound<T>::value, ""); 22 static_assert( std::is_compound<const T>::value, ""); 23 static_assert( std::is_compound<volatile T>::value, ""); 24 static_assert( std::is_compound<const volatile T>::value, ""); 25#if TEST_STD_VER > 14 26 static_assert( std::is_compound_v<T>, ""); 27 static_assert( std::is_compound_v<const T>, ""); 28 static_assert( std::is_compound_v<volatile T>, ""); 29 static_assert( std::is_compound_v<const volatile T>, ""); 30#endif 31} 32 33template <class T> 34void test_is_not_compound() 35{ 36 static_assert(!std::is_compound<T>::value, ""); 37 static_assert(!std::is_compound<const T>::value, ""); 38 static_assert(!std::is_compound<volatile T>::value, ""); 39 static_assert(!std::is_compound<const volatile T>::value, ""); 40#if TEST_STD_VER > 14 41 static_assert(!std::is_compound_v<T>, ""); 42 static_assert(!std::is_compound_v<const T>, ""); 43 static_assert(!std::is_compound_v<volatile T>, ""); 44 static_assert(!std::is_compound_v<const volatile T>, ""); 45#endif 46} 47 48class incomplete_type; 49 50class Empty 51{ 52}; 53 54class NotEmpty 55{ 56 virtual ~NotEmpty(); 57}; 58 59union Union {}; 60 61struct bit_zero 62{ 63 int : 0; 64}; 65 66class Abstract 67{ 68 virtual ~Abstract() = 0; 69}; 70 71enum Enum {zero, one}; 72 73typedef void (*FunctionPtr)(); 74 75 76int main() 77{ 78 test_is_compound<char[3]>(); 79 test_is_compound<char[]>(); 80 test_is_compound<void *>(); 81 test_is_compound<FunctionPtr>(); 82 test_is_compound<int&>(); 83 test_is_compound<int&&>(); 84 test_is_compound<Union>(); 85 test_is_compound<Empty>(); 86 test_is_compound<incomplete_type>(); 87 test_is_compound<bit_zero>(); 88 test_is_compound<int*>(); 89 test_is_compound<const int*>(); 90 test_is_compound<Enum>(); 91 test_is_compound<NotEmpty>(); 92 test_is_compound<Abstract>(); 93 94 test_is_not_compound<std::nullptr_t>(); 95 test_is_not_compound<void>(); 96 test_is_not_compound<int>(); 97 test_is_not_compound<double>(); 98} 99