54 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <memory>10 11// unique_ptr12 13// Test unique_ptr move assignment14 15#include <memory>16#include <cassert>17 18#include "test_macros.h"19#include "unique_ptr_test_helper.h"20 21// test assignment from null22template <bool IsArray>23TEST_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 39TEST_CONSTEXPR_CXX23 bool test() {40 test_basic</*IsArray*/ false>();41 test_basic<true>();42 43 return true;44}45 46int main(int, char**) {47 test();48#if TEST_STD_VER >= 2349 static_assert(test());50#endif51 52 return 0;53}54