diff options
Diffstat (limited to 'test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move03.fail.cpp')
-rw-r--r-- | test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move03.fail.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move03.fail.cpp b/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move03.fail.cpp new file mode 100644 index 000000000000..aa4fdb8a96b1 --- /dev/null +++ b/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move03.fail.cpp @@ -0,0 +1,56 @@ +//===----------------------------------------------------------------------===// +// +// 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 move assignment + +#include <memory> +#include <cassert> + +// Can't copy from lvalue + +struct A +{ + static int count; + A() {++count;} + A(const A&) {++count;} + ~A() {--count;} +}; + +int A::count = 0; + +class Deleter +{ + int state_; + +public: + + Deleter() : state_(5) {} + + int state() const {return state_;} + + void operator()(A* p) {delete p;} +}; + +int main() +{ + { + std::unique_ptr<A, Deleter> s(new A); + A* p = s.get(); + std::unique_ptr<A, Deleter> s2; + s2 = s; + assert(s2.get() == p); + assert(s.get() == 0); + assert(A::count == 1); + } + assert(A::count == 0); +} |