cxx/test/utilities/memory/unique.ptr/unique.ptr.runtime/nullptr_asgn.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

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//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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);
}