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-rw-r--r--test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp73
1 files changed, 73 insertions, 0 deletions
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp
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index 0000000000000..0cda96846f717
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+++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp
@@ -0,0 +1,73 @@
+//===----------------------------------------------------------------------===//
+//
+// 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);
+
+// UNSUPPORTED: c++98, c++03
+
+#include <tuple>
+#include <utility>
+#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);
+ ((void)t); // Prevent unused warning
+ }
+ {
+ 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));
+ }
+}