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 | 42 |
1 files changed, 41 insertions, 1 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 index 50aa527232a..7efe4ae5c26 100644 --- 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 @@ -1 +1,41 @@ -//===----------------------------------------------------------------------===//
//
// The 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 +//===----------------------------------------------------------------------===// +// +// The 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); +} |

