1 files changed, 45 insertions, 0 deletions
diff --git a/test/libcxx/utilities/function.objects/func.require/invoke.pass.cpp b/test/libcxx/utilities/function.objects/func.require/invoke.pass.cpp
new file mode 100644
index 000000000000..1d4251354dc5
--- /dev/null
+++ b/test/libcxx/utilities/function.objects/func.require/invoke.pass.cpp
@@ -0,0 +1,45 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// [func.require]
+
+#include <type_traits>
+#include <functional>
+
+#include "test_macros.h"
+
+template <typename T, int N>
+struct Array
+{
+    typedef T type[N];
+};
+
+struct Type
+{
+    Array<char, 1>::type& f1();
+    Array<char, 2>::type& f2() const;
+#if TEST_STD_VER >= 11
+    Array<char, 1>::type& g1()        &;
+    Array<char, 2>::type& g2() const  &;
+    Array<char, 3>::type& g3()       &&;
+    Array<char, 4>::type& g4() const &&;
+#endif
+};
+
+int main()
+{
+    static_assert(sizeof(std::__invoke(&Type::f1, std::declval<Type        >())) == 1, "");
+    static_assert(sizeof(std::__invoke(&Type::f2, std::declval<Type const  >())) == 2, "");
+#if TEST_STD_VER >= 11
+    static_assert(sizeof(std::__invoke(&Type::g1, std::declval<Type       &>())) == 1, "");
+    static_assert(sizeof(std::__invoke(&Type::g2, std::declval<Type const &>())) == 2, "");
+    static_assert(sizeof(std::__invoke(&Type::g3, std::declval<Type      &&>())) == 3, "");
+    static_assert(sizeof(std::__invoke(&Type::g4, std::declval<Type const&&>())) == 4, "");
+#endif
+}