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 release
15 
16 #include <memory>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 #include "unique_ptr_test_helper.h"
21 
22 template <bool IsArray>
test_basic()23 void test_basic() {
24   typedef typename std::conditional<IsArray, A[], A>::type VT;
25   const int expect_alive = IsArray ? 3 : 1;
26 #if TEST_STD_VER >= 11
27   {
28     using U = std::unique_ptr<VT>;
29     U u; ((void)u);
30     ASSERT_NOEXCEPT(u.release());
31   }
32 #endif
33   {
34     std::unique_ptr<VT> p(newValue<VT>(expect_alive));
35     assert(A::count == expect_alive);
36     A* ap = p.get();
37     A* a = p.release();
38     assert(A::count == expect_alive);
39     assert(p.get() == nullptr);
40     assert(ap == a);
41     assert(a != nullptr);
42 
43     if (IsArray)
44       delete[] a;
45     else
46       delete a;
47 
48     assert(A::count == 0);
49   }
50   assert(A::count == 0);
51 }
52 
main()53 int main() {
54   test_basic</*IsArray*/ false>();
55   test_basic<true>();
56 }
57