Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/thread/futures/futures.shared_future/move_assign.pass.cpp

@@ -0,0 +1,76 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: libcpp-has-no-threads
+
+// <future>
+
+// class shared_future<R>
+
+// shared_future& operator=(shared_future&& rhs);
+
+#include <future>
+#include <cassert>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef int T;
+        std::promise<T> p;
+        std::shared_future<T> f0 = p.get_future();
+        std::shared_future<T> f;
+        f = std::move(f0);
+        assert(!f0.valid());
+        assert(f.valid());
+    }
+    {
+        typedef int T;
+        std::shared_future<T> f0;
+        std::shared_future<T> f;
+        f = std::move(f0);
+        assert(!f0.valid());
+        assert(!f.valid());
+    }
+    {
+        typedef int& T;
+        std::promise<T> p;
+        std::shared_future<T> f0 = p.get_future();
+        std::shared_future<T> f;
+        f = std::move(f0);
+        assert(!f0.valid());
+        assert(f.valid());
+    }
+    {
+        typedef int& T;
+        std::shared_future<T> f0;
+        std::shared_future<T> f;
+        f = std::move(f0);
+        assert(!f0.valid());
+        assert(!f.valid());
+    }
+    {
+        typedef void T;
+        std::promise<T> p;
+        std::shared_future<T> f0 = p.get_future();
+        std::shared_future<T> f;
+        f = std::move(f0);
+        assert(!f0.valid());
+        assert(f.valid());
+    }
+    {
+        typedef void T;
+        std::shared_future<T> f0;
+        std::shared_future<T> f;
+        f = std::move(f0);
+        assert(!f0.valid());
+        assert(!f.valid());
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}