diff options
Diffstat (limited to 'libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp')
-rw-r--r-- | libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp new file mode 100644 index 00000000000..9fcb90994c8 --- /dev/null +++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp @@ -0,0 +1 @@ +//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// weak_ptr
// void swap(weak_ptr& r);
#include <memory>
#include <cassert>
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
int main()
{
{
std::shared_ptr<A> p1(new A);
std::weak_ptr<A> w1(p1);
assert(w1.use_count() == 1);
w1.reset();
assert(w1.use_count() == 0);
assert(p1.use_count() == 1);
}
assert(A::count == 0);
}
\ No newline at end of file |