cxx/test/utilities/memory/unique.ptr/unique.ptr.runtime/nullptr_asgn.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

42 lines
803 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 unique_ptr move assignment
#include <memory>
#include <cassert>
// test assignment from null
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
int main()
{
{
std::unique_ptr<A[]> s2(new A[3]);
assert(A::count == 3);
s2 = nullptr;
assert(A::count == 0);
assert(s2.get() == 0);
}
assert(A::count == 0);
}