vendor/libc++/libc++-release_370-r246257

1 files changed, 50 insertions, 0 deletions

diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.assign/move_pair.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.assign/move_pair.pass.cpp
new file mode 100644
index 0000000000000..812e6329bb3e3
--- /dev/null
+++ b/test/std/utilities/tuple/tuple.tuple/tuple.assign/move_pair.pass.cpp
@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <tuple>
+
+// template <class... Types> class tuple;
+
+// template <class U1, class U2>
+//   tuple& operator=(pair<U1, U2>&& u);
+
+// UNSUPPORTED: c++98, c++03
+
+#include <tuple>
+#include <utility>
+#include <memory>
+#include <cassert>
+
+struct B
+{
+    int id_;
+
+    explicit B(int i = 0) : id_(i) {}
+
+    virtual ~B() {}
+};
+
+struct D
+    : B
+{
+    explicit D(int i) : B(i) {}
+};
+
+int main()
+{
+    {
+        typedef std::pair<double, std::unique_ptr<D>> T0;
+        typedef std::tuple<int, std::unique_ptr<B>> T1;
+        T0 t0(2.5, std::unique_ptr<D>(new D(3)));
+        T1 t1;
+        t1 = std::move(t0);
+        assert(std::get<0>(t1) == 2);
+        assert(std::get<1>(t1)->id_ == 3);
+    }
+}