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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// The deleter is not called if get() == 0
#include <memory>
#include <cassert>
#include "test_macros.h"
class Deleter {
int state_;
Deleter(Deleter&);
Deleter& operator=(Deleter&);
public:
TEST_CONSTEXPR_CXX23 Deleter() : state_(0) {}
TEST_CONSTEXPR_CXX23 int state() const { return state_; }
TEST_CONSTEXPR_CXX23 void operator()(void*) { ++state_; }
};
template <class T>
TEST_CONSTEXPR_CXX23 void test_basic() {
Deleter d;
assert(d.state() == 0);
{
std::unique_ptr<T, Deleter&> p(nullptr, d);
assert(p.get() == nullptr);
assert(&p.get_deleter() == &d);
}
assert(d.state() == 0);
}
TEST_CONSTEXPR_CXX23 bool test() {
test_basic<int>();
test_basic<int[]>();
return true;
}
int main(int, char**) {
test();
#if TEST_STD_VER >= 23
static_assert(test());
#endif
return 0;
}
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