1 files changed, 43 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/function.objects/comparisons/greater.pass.cpp b/libcxx/test/std/utilities/function.objects/comparisons/greater.pass.cpp
new file mode 100644
index 00000000000..5a88f4362dc
--- /dev/null
+++ b/libcxx/test/std/utilities/function.objects/comparisons/greater.pass.cpp
@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// greater
+
+#include <functional>
+#include <type_traits>
+#include <cassert>
+
+int main()
+{
+    typedef std::greater<int> F;
+    const F f = F();
+    static_assert((std::is_base_of<std::binary_function<int, int, bool>, F>::value), "");
+    assert(!f(36, 36));
+    assert(f(36, 6));
+    assert(!f(6, 36));
+#if _LIBCPP_STD_VER > 11
+    typedef std::greater<> F2;
+    const F2 f2 = F2();
+    assert(!f2(36, 36));
+    assert(f2(36, 6));
+    assert(!f2(6, 36));
+    assert( f2(36, 6.0));
+    assert( f2(36.0, 6));
+    assert(!f2(6, 36.0));
+    assert(!f2(6.0, 36));
+
+    constexpr bool foo = std::greater<int> () (36, 36);
+    static_assert ( !foo, "" );
+
+    constexpr bool bar = std::greater<> () (36.0, 36);
+    static_assert ( !bar, "" );
+#endif
+}