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libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.modifiers/reset.single.pass.cpp

47 lines
1020 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// test reset
#include <memory>
#include <cassert>
#include "unique_ptr_test_helper.h"
int main() {
{
std::unique_ptr<A> p(new A);
assert(A::count == 1);
assert(B::count == 0);
A* i = p.get();
assert(i != nullptr);
p.reset(new B);
assert(A::count == 1);
assert(B::count == 1);
}
assert(A::count == 0);
assert(B::count == 0);
{
std::unique_ptr<A> p(new B);
assert(A::count == 1);
assert(B::count == 1);
A* i = p.get();
assert(i != nullptr);
p.reset(new B);
assert(A::count == 1);
assert(B::count == 1);
}
assert(A::count == 0);
assert(B::count == 0);
}