1 files changed, 57 insertions, 0 deletions
diff --git a/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move_convert01.fail.cpp b/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move_convert01.fail.cpp
new file mode 100644
index 000000000000..3fd2cbc42bd6
--- /dev/null
+++ b/test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move_convert01.fail.cpp
@@ -0,0 +1,57 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 assignment
+
+#include <memory>
+#include <utility>
+#include <cassert>
+
+// Can't assign from lvalue
+
+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<B> s(new B);
+    A* p = s.get();
+    std::unique_ptr<A> s2;
+    s2 = s;
+    assert(s2.get() == p);
+    assert(s.get() == 0);
+    assert(A::count == 1);
+    assert(B::count == 1);
+    }
+    assert(A::count == 0);
+    assert(B::count == 0);
+}