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 // unique_ptr
13
14 // Test unique_ptr move assignment
15
16 #include <memory>
17
18 #include "test_macros.h"
19
20 struct Deleter {
operator ()Deleter21 void operator()(int* p) {delete p;}
22 };
23
24 // Can't copy from a const lvalue
main()25 int main()
26 {
27 const std::unique_ptr<int, Deleter> s(new int);
28 std::unique_ptr<int, Deleter> s2;
29 #if TEST_STD_VER >= 11
30 s2 = s; // expected-error {{cannot be assigned because its copy assignment operator is implicitly deleted}}
31 #else
32 // NOTE: The error says "constructor" because the assignment operator takes
33 // 's' by value and attempts to copy construct it.
34 s2 = s; // expected-error {{no matching constructor for initialization}}
35 #endif
36 }
37