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/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp

@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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;
+
+// tuple(tuple&& u);
+
+#include <tuple>
+#include <cassert>
+
+#include "../MoveOnly.h"
+
+struct ConstructsWithTupleLeaf
+{
+    ConstructsWithTupleLeaf() {}
+
+    ConstructsWithTupleLeaf(ConstructsWithTupleLeaf const &) { assert(false); }
+    ConstructsWithTupleLeaf(ConstructsWithTupleLeaf &&) {}
+
+    template <class T>
+    ConstructsWithTupleLeaf(T t)
+    { assert(false); }
+};
+
+int main()
+{
+    {
+        typedef std::tuple<> T;
+        T t0;
+        T t = std::move(t0);
+    }
+    {
+        typedef std::tuple<MoveOnly> T;
+        T t0(MoveOnly(0));
+        T t = std::move(t0);
+        assert(std::get<0>(t) == 0);
+    }
+    {
+        typedef std::tuple<MoveOnly, MoveOnly> T;
+        T t0(MoveOnly(0), MoveOnly(1));
+        T t = std::move(t0);
+        assert(std::get<0>(t) == 0);
+        assert(std::get<1>(t) == 1);
+    }
+    {
+        typedef std::tuple<MoveOnly, MoveOnly, MoveOnly> T;
+        T t0(MoveOnly(0), MoveOnly(1), MoveOnly(2));
+        T t = std::move(t0);
+        assert(std::get<0>(t) == 0);
+        assert(std::get<1>(t) == 1);
+        assert(std::get<2>(t) == 2);
+    }
+    // A bug in tuple caused __tuple_leaf to use its explicit converting constructor
+    //  as its move constructor. This tests that ConstructsWithTupleLeaf is not called
+    // (w/ __tuple_leaf)
+    {
+        typedef std::tuple<ConstructsWithTupleLeaf> d_t;
+        d_t d((ConstructsWithTupleLeaf()));
+        d_t d2(static_cast<d_t &&>(d));
+    }
+}