1 files changed, 36 insertions, 0 deletions
diff --git a/test/std/experimental/utilities/propagate_const/propagate_const.nonmembers/propagate_const.comparison_function_objects/equal_to.pass.cpp b/test/std/experimental/utilities/propagate_const/propagate_const.nonmembers/propagate_const.comparison_function_objects/equal_to.pass.cpp
new file mode 100644
index 000000000000..d54222a97a1c
--- /dev/null
+++ b/test/std/experimental/utilities/propagate_const/propagate_const.nonmembers/propagate_const.comparison_function_objects/equal_to.pass.cpp
@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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
+
+// <propagate_const>
+
+// template <class T> struct equal_to<experimental::fundamentals_v2::propagate_const<T>>;
+
+#include <experimental/propagate_const>
+#include "propagate_const_helpers.h"
+#include <cassert>
+
+using std::experimental::propagate_const;
+
+constexpr bool operator==(const X &x1, const X &x2) { return x1.i_ == x2.i_; }
+
+int main() {
+
+  typedef propagate_const<X> P;
+
+  P p1_1(1);
+  P p2_1(1);
+  P p3_2(2);
+
+  auto c = std::equal_to<P>();
+
+  assert(c(p1_1,p2_1));
+  assert(!c(p1_1,p3_2));
+}