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-rw-r--r--test/std/experimental/optional/optional.nullops/greater.pass.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/test/std/experimental/optional/optional.nullops/greater.pass.cpp b/test/std/experimental/optional/optional.nullops/greater.pass.cpp
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index 0000000000000..b72a4d3f1a6a4
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+++ b/test/std/experimental/optional/optional.nullops/greater.pass.cpp
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+//===----------------------------------------------------------------------===//
+//
+// 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 bool operator>(const optional<T>& x, nullopt_t) noexcept;
+// template <class T> constexpr bool operator>(nullopt_t, const optional<T>& x) noexcept;
+
+#include <experimental/optional>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+ using std::experimental::optional;
+ using std::experimental::nullopt_t;
+ using std::experimental::nullopt;
+
+ {
+ typedef int T;
+ typedef optional<T> O;
+
+ constexpr O o1; // disengaged
+ constexpr O o2{1}; // engaged
+
+ static_assert ( !(nullopt > o1), "" );
+ static_assert ( !(nullopt > o2), "" );
+ static_assert ( !(o1 > nullopt), "" );
+ static_assert ( (o2 > nullopt), "" );
+
+ static_assert (noexcept(nullopt > o1), "");
+ static_assert (noexcept(o1 > nullopt), "");
+ }
+#endif
+}