1 files changed, 39 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/meta/meta.logical/negation.pass.cpp b/libcxx/test/std/utilities/meta/meta.logical/negation.pass.cpp
new file mode 100644
index 00000000000..76ff6c5b24d
--- /dev/null
+++ b/libcxx/test/std/utilities/meta/meta.logical/negation.pass.cpp
@@ -0,0 +1,39 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// type_traits
+
+// template<class B> struct negation;                        // C++17
+// template<class B> 
+//   constexpr bool negation_v = negation<B>::value;         // C++17
+
+#include <type_traits>
+#include <cassert>
+
+struct True  { static constexpr bool value = true; };
+struct False { static constexpr bool value = false; };
+
+int main()
+{
+    static_assert (!std::negation<std::true_type >::value, "" );
+    static_assert ( std::negation<std::false_type>::value, "" );
+
+    static_assert (!std::negation_v<std::true_type >, "" );
+    static_assert ( std::negation_v<std::false_type>, "" );
+
+    static_assert (!std::negation<True >::value, "" );
+    static_assert ( std::negation<False>::value, "" );
+
+    static_assert (!std::negation_v<True >, "" );
+    static_assert ( std::negation_v<False>, "" );
+
+    static_assert ( std::negation<std::negation<std::true_type >>::value, "" );
+    static_assert (!std::negation<std::negation<std::false_type>>::value, "" );
+}