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-rw-r--r--libcxx/test/std/experimental/optional/optional.object/optional.object.ctor/move.pass.cpp124
1 files changed, 124 insertions, 0 deletions
diff --git a/libcxx/test/std/experimental/optional/optional.object/optional.object.ctor/move.pass.cpp b/libcxx/test/std/experimental/optional/optional.object/optional.object.ctor/move.pass.cpp
new file mode 100644
index 00000000000..b320c95c582
--- /dev/null
+++ b/libcxx/test/std/experimental/optional/optional.object/optional.object.ctor/move.pass.cpp
@@ -0,0 +1,124 @@
+//===----------------------------------------------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+// <optional>
+
+// optional(optional<T>&& rhs) noexcept(is_nothrow_move_constructible<T>::value);
+
+#include <experimental/optional>
+#include <type_traits>
+#include <cassert>
+
+#if _LIBCPP_STD_VER > 11
+
+using std::experimental::optional;
+
+template <class T>
+void
+test(optional<T>& rhs, bool is_going_to_throw = false)
+{
+ static_assert(std::is_nothrow_move_constructible<optional<T>>::value ==
+ std::is_nothrow_move_constructible<T>::value, "");
+ bool rhs_engaged = static_cast<bool>(rhs);
+ try
+ {
+ optional<T> lhs = std::move(rhs);
+ assert(is_going_to_throw == false);
+ assert(static_cast<bool>(lhs) == rhs_engaged);
+ }
+ catch (int i)
+ {
+ assert(i == 6);
+ }
+}
+
+class X
+{
+ int i_;
+public:
+ X(int i) : i_(i) {}
+ X(X&& x) : i_(x.i_) {x.i_ = 0;}
+ ~X() {i_ = 0;}
+ friend bool operator==(const X& x, const X& y) {return x.i_ == y.i_;}
+};
+
+class Y
+{
+ int i_;
+public:
+ Y(int i) : i_(i) {}
+ Y(Y&& x) noexcept : i_(x.i_) {x.i_ = 0;}
+
+ friend constexpr bool operator==(const Y& x, const Y& y) {return x.i_ == y.i_;}
+};
+
+int count = 0;
+
+class Z
+{
+ int i_;
+public:
+ Z(int i) : i_(i) {}
+ Z(Z&&)
+ {
+ if (++count == 2)
+ throw 6;
+ }
+
+ friend constexpr bool operator==(const Z& x, const Z& y) {return x.i_ == y.i_;}
+};
+
+
+#endif // _LIBCPP_STD_VER > 11
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+ {
+ typedef int T;
+ optional<T> rhs;
+ test(rhs);
+ }
+ {
+ typedef int T;
+ optional<T> rhs(3);
+ test(rhs);
+ }
+ {
+ typedef X T;
+ optional<T> rhs;
+ test(rhs);
+ }
+ {
+ typedef X T;
+ optional<T> rhs(X(3));
+ test(rhs);
+ }
+ {
+ typedef Y T;
+ optional<T> rhs;
+ test(rhs);
+ }
+ {
+ typedef Y T;
+ optional<T> rhs(Y(3));
+ test(rhs);
+ }
+ {
+ typedef Z T;
+ optional<T> rhs;
+ test(rhs);
+ }
+ {
+ typedef Z T;
+ optional<T> rhs(Z(3));
+ test(rhs, true);
+ }
+#endif // _LIBCPP_STD_VER > 11
+}
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