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_same 13 14#include <type_traits> 15 16template <class T, class U> 17void test_is_same() 18{ 19 static_assert((std::is_same<T, U>::value), ""); 20 static_assert((!std::is_same<const T, U>::value), ""); 21 static_assert((!std::is_same<T, const U>::value), ""); 22 static_assert((std::is_same<const T, const U>::value), ""); 23} 24 25template <class T, class U> 26void test_is_same_ref() 27{ 28 static_assert((std::is_same<T, U>::value), ""); 29 static_assert((std::is_same<const T, U>::value), ""); 30 static_assert((std::is_same<T, const U>::value), ""); 31 static_assert((std::is_same<const T, const U>::value), ""); 32} 33 34template <class T, class U> 35void test_is_not_same() 36{ 37 static_assert((!std::is_same<T, U>::value), ""); 38} 39 40class Class 41{ 42public: 43 ~Class(); 44}; 45 46int main() 47{ 48 test_is_same<int, int>(); 49 test_is_same<void, void>(); 50 test_is_same<Class, Class>(); 51 test_is_same<int*, int*>(); 52 test_is_same_ref<int&, int&>(); 53 54 test_is_not_same<int, void>(); 55 test_is_not_same<void, Class>(); 56 test_is_not_same<Class, int*>(); 57 test_is_not_same<int*, int&>(); 58 test_is_not_same<int&, int>(); 59} 60