diff options
Diffstat (limited to 'test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/reset_pointer.pass.cpp')
-rw-r--r-- | test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/reset_pointer.pass.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/reset_pointer.pass.cpp b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/reset_pointer.pass.cpp new file mode 100644 index 000000000000..85a64d0f1b0b --- /dev/null +++ b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/reset_pointer.pass.cpp @@ -0,0 +1,64 @@ +//===----------------------------------------------------------------------===// +// +// 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> + +// shared_ptr + +// template<class Y> void reset(Y* p); + +#include <memory> +#include <cassert> + +struct B +{ + static int count; + + B() {++count;} + B(const B&) {++count;} + virtual ~B() {--count;} +}; + +int B::count = 0; + +struct A + : public B +{ + static int count; + + A() {++count;} + A(const A&) {++count;} + ~A() {--count;} +}; + +int A::count = 0; + +int main() +{ + { + std::shared_ptr<B> p(new B); + A* ptr = new A; + p.reset(ptr); + assert(A::count == 1); + assert(B::count == 1); + assert(p.use_count() == 1); + assert(p.get() == ptr); + } + assert(A::count == 0); + { + std::shared_ptr<B> p; + A* ptr = new A; + p.reset(ptr); + assert(A::count == 1); + assert(B::count == 1); + assert(p.use_count() == 1); + assert(p.get() == ptr); + } + assert(A::count == 0); +} |