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 // <memory> 11 12 // template <class OuterAlloc, class... InnerAllocs> 13 // class scoped_allocator_adaptor 14 15 // pointer allocate(size_type n, const_void_pointer hint); 16 17 #include <scoped_allocator> 18 #include <cassert> 19 20 #include "allocators.h" 21 22 int main() 23 { 24 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 25 26 { 27 typedef std::scoped_allocator_adaptor<A1<int>> A; 28 A a; 29 A1<int>::allocate_called = false; 30 assert(a.allocate(10, (const void*)0) == (int*)10); 31 assert(A1<int>::allocate_called == true); 32 } 33 { 34 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A; 35 A a; 36 A1<int>::allocate_called = false; 37 assert(a.allocate(10, (const void*)10) == (int*)10); 38 assert(A1<int>::allocate_called == true); 39 } 40 { 41 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A; 42 A a; 43 A1<int>::allocate_called = false; 44 assert(a.allocate(10, (const void*)20) == (int*)10); 45 assert(A1<int>::allocate_called == true); 46 } 47 48 { 49 typedef std::scoped_allocator_adaptor<A2<int>> A; 50 A a; 51 A2<int>::allocate_called = false; 52 assert(a.allocate(10, (const void*)0) == (int*)0); 53 assert(A2<int>::allocate_called == true); 54 } 55 { 56 typedef std::scoped_allocator_adaptor<A2<int>, A2<int>> A; 57 A a; 58 A2<int>::allocate_called = false; 59 assert(a.allocate(10, (const void*)10) == (int*)10); 60 assert(A2<int>::allocate_called == true); 61 } 62 { 63 typedef std::scoped_allocator_adaptor<A2<int>, A2<int>, A3<int>> A; 64 A a; 65 A2<int>::allocate_called = false; 66 assert(a.allocate(10, (const void*)20) == (int*)20); 67 assert(A2<int>::allocate_called == true); 68 } 69 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 70 } 71
