diff options
Diffstat (limited to 'libcxx/test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.modifiers/reset2.pass.cpp')
| -rw-r--r-- | libcxx/test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.modifiers/reset2.pass.cpp | 65 |
1 files changed, 64 insertions, 1 deletions
diff --git a/libcxx/test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.modifiers/reset2.pass.cpp b/libcxx/test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.modifiers/reset2.pass.cpp index 78da880bc22..e43fa1a2bc1 100644 --- a/libcxx/test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.modifiers/reset2.pass.cpp +++ b/libcxx/test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.modifiers/reset2.pass.cpp @@ -1 +1,64 @@ -//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// test reset
#include <memory>
#include <cassert>
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
virtual ~A() {--count;}
};
int A::count = 0;
struct B
: public A
{
static int count;
B() {++count;}
B(const B&) {++count;}
virtual ~B() {--count;}
};
int B::count = 0;
int main()
{
{
std::unique_ptr<A> p(new A);
assert(A::count == 1);
assert(B::count == 0);
A* i = p.get();
p.reset(new B);
assert(A::count == 1);
assert(B::count == 1);
}
assert(A::count == 0);
assert(B::count == 0);
{
std::unique_ptr<A> p(new B);
assert(A::count == 1);
assert(B::count == 1);
A* i = p.get();
p.reset(new B);
assert(A::count == 1);
assert(B::count == 1);
}
assert(A::count == 0);
assert(B::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> + +// unique_ptr + +// test reset + +#include <memory> +#include <cassert> + +struct A +{ + static int count; + A() {++count;} + A(const A&) {++count;} + virtual ~A() {--count;} +}; + +int A::count = 0; + +struct B + : public A +{ + static int count; + B() {++count;} + B(const B&) {++count;} + virtual ~B() {--count;} +}; + +int B::count = 0; + +int main() +{ + { + std::unique_ptr<A> p(new A); + assert(A::count == 1); + assert(B::count == 0); + A* i = p.get(); + p.reset(new B); + assert(A::count == 1); + assert(B::count == 1); + } + assert(A::count == 0); + assert(B::count == 0); + { + std::unique_ptr<A> p(new B); + assert(A::count == 1); + assert(B::count == 1); + A* i = p.get(); + p.reset(new B); + assert(A::count == 1); + assert(B::count == 1); + } + assert(A::count == 0); + assert(B::count == 0); +} |

