| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <memory> |
| 10 | |
| 11 | // unique_ptr |
| 12 | |
| 13 | // Test unique_ptr move assignment |
| 14 | |
| 15 | #include <memory> |
| 16 | #include <cassert> |
| 17 | |
| 18 | #include "test_macros.h" |
| 19 | #include "unique_ptr_test_helper.h" |
| 20 | |
| 21 | // test assignment from null |
| 22 | template <bool IsArray> |
| 23 | TEST_CONSTEXPR_CXX23 void test_basic() { |
| 24 | typedef typename std::conditional<IsArray, A[], A>::type VT; |
| 25 | const int expect_alive = IsArray ? 5 : 1; |
| 26 | { |
| 27 | std::unique_ptr<VT> s2(newValue<VT>(expect_alive)); |
| 28 | if (!TEST_IS_CONSTANT_EVALUATED) |
| 29 | assert(A::count == expect_alive); |
| 30 | s2 = NULL; |
| 31 | if (!TEST_IS_CONSTANT_EVALUATED) |
| 32 | assert(A::count == 0); |
| 33 | assert(s2.get() == 0); |
| 34 | } |
| 35 | if (!TEST_IS_CONSTANT_EVALUATED) |
| 36 | assert(A::count == 0); |
| 37 | } |
| 38 | |
| 39 | TEST_CONSTEXPR_CXX23 bool test() { |
| 40 | test_basic</*IsArray*/ false>(); |
| 41 | test_basic<true>(); |
| 42 | |
| 43 | return true; |
| 44 | } |
| 45 | |
| 46 | int main(int, char**) { |
| 47 | test(); |
| 48 | #if TEST_STD_VER >= 23 |
| 49 | static_assert(test()); |
| 50 | #endif |
| 51 | |
| 52 | return 0; |
| 53 | } |
| 54 | |