diff options
Diffstat (limited to 'test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.ctor/move_convert06.pass.cpp')
-rw-r--r-- | test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.ctor/move_convert06.pass.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.ctor/move_convert06.pass.cpp b/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.ctor/move_convert06.pass.cpp new file mode 100644 index 000000000000..4115107b85f9 --- /dev/null +++ b/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.ctor/move_convert06.pass.cpp @@ -0,0 +1,79 @@ +//===----------------------------------------------------------------------===// +// +// 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> + +// unique_ptr + +// Test unique_ptr converting move ctor + +#include <memory> +#include <utility> +#include <cassert> + +// test converting move ctor. Should only require a MoveConstructible deleter, or if +// deleter is a reference, not even that. +// Explicit version + +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; + +template <class T> +class CDeleter +{ + int state_; + + CDeleter(CDeleter&); + CDeleter& operator=(CDeleter&); +public: + + CDeleter() : state_(5) {} + + int state() const {return state_;} + void set_state(int s) {state_ = s;} + + void operator()(T* p) {delete p;} +}; + +int main() +{ + { + CDeleter<A> d; + std::unique_ptr<B, CDeleter<A>&> s(new B, d); + A* p = s.get(); + std::unique_ptr<A, CDeleter<A>&> s2 = std::move(s); + assert(s2.get() == p); + assert(s.get() == 0); + assert(A::count == 1); + assert(B::count == 1); + d.set_state(6); + assert(s2.get_deleter().state() == d.state()); + assert(s.get_deleter().state() == d.state()); + } + assert(A::count == 0); + assert(B::count == 0); +} |