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 // UNSUPPORTED: c++98, c++03 11 12 // <experimental/memory_resource> 13 14 //------------------------------------------------------------------------------ 15 // TESTING virtual ~memory_resource() 16 // 17 // Concerns: 18 // A) 'memory_resource' is destructible. 19 // B) The destructor is implicitly marked noexcept. 20 // C) The destructor is marked virtual. 21 22 #include <experimental/memory_resource> 23 #include <type_traits> 24 #include <cassert> 25 26 #include "test_memory_resource.hpp" 27 28 using std::experimental::pmr::memory_resource; 29 30 int main() 31 { 32 static_assert( 33 std::has_virtual_destructor<memory_resource>::value 34 , "Must have virtual destructor" 35 ); 36 static_assert( 37 std::is_nothrow_destructible<memory_resource>::value, 38 "Must be nothrow destructible" 39 ); 40 static_assert( 41 std::is_abstract<memory_resource>::value 42 , "Must be abstract" 43 ); 44 // Check that the destructor of `TestResource` is called when 45 // it is deleted as a pointer to `memory_resource` 46 { 47 using TR = TestResource; 48 memory_resource* M = new TR(42); 49 assert(TR::resource_alive == 1); 50 assert(TR::resource_constructed == 1); 51 assert(TR::resource_destructed == 0); 52 53 delete M; 54 55 assert(TR::resource_alive == 0); 56 assert(TR::resource_constructed == 1); 57 assert(TR::resource_destructed == 1); 58 } 59 } 60
