summaryrefslogtreecommitdiffstats
path: root/libcxx/test/std/experimental/optional/optional.specalg/make_optional.pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libcxx/test/std/experimental/optional/optional.specalg/make_optional.pass.cpp')
-rw-r--r--libcxx/test/std/experimental/optional/optional.specalg/make_optional.pass.cpp50
1 files changed, 50 insertions, 0 deletions
diff --git a/libcxx/test/std/experimental/optional/optional.specalg/make_optional.pass.cpp b/libcxx/test/std/experimental/optional/optional.specalg/make_optional.pass.cpp
new file mode 100644
index 00000000000..cc95e6110e8
--- /dev/null
+++ b/libcxx/test/std/experimental/optional/optional.specalg/make_optional.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <optional>
+
+// template <class T>
+// constexpr
+// optional<typename decay<T>::type>
+// make_optional(T&& v);
+
+#include <experimental/optional>
+#include <string>
+#include <memory>
+#include <cassert>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+ using std::experimental::optional;
+ using std::experimental::make_optional;
+
+ {
+ optional<int> opt = make_optional(2);
+ assert(*opt == 2);
+ }
+ {
+ std::string s("123");
+ optional<std::string> opt = make_optional(s);
+ assert(*opt == s);
+ }
+ {
+ std::string s("123");
+ optional<std::string> opt = make_optional(std::move(s));
+ assert(*opt == "123");
+ assert(s.empty());
+ }
+ {
+ std::unique_ptr<int> s(new int(3));
+ optional<std::unique_ptr<int>> opt = make_optional(std::move(s));
+ assert(**opt == 3);
+ assert(s == nullptr);
+ }
+#endif // _LIBCPP_STD_VER > 11
+}
OpenPOWER on IntegriCloud