1 files changed, 47 insertions, 0 deletions
diff --git a/test/libcxx/depr/depr.function.objects/depr.adaptors.cxx1z.pass.cpp b/test/libcxx/depr/depr.function.objects/depr.adaptors.cxx1z.pass.cpp
new file mode 100644
index 0000000000000..424fe52b31199
--- /dev/null
+++ b/test/libcxx/depr/depr.function.objects/depr.adaptors.cxx1z.pass.cpp
@@ -0,0 +1,47 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>
+
+
+//  In C++17, the function adapters mem_fun/mem_fun_ref, etc have been removed.
+//  However, for backwards compatibility, if _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
+//  is defined before including <functional>, then they will be restored.
+
+#define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
+
+#include <functional>
+#include <cassert>
+
+int identity(int v) { return v; }
+int sum(int a, int b) { return a + b; }
+
+struct Foo {
+	int zero() const { return 0; }
+	int identity(int v) const { return v; }
+	int sum(int a, int b) const { return a + b; }
+};
+
+int main()
+{
+	typedef std::pointer_to_unary_function<int, int> PUF;
+	typedef std::pointer_to_binary_function<int, int, int> PBF;
+	assert((std::ptr_fun<int, int>(identity)(4) == 4));
+	assert((std::ptr_fun<int, int, int>(sum)(4, 5) == 9));
+	
+	Foo f;
+	assert((std::mem_fn(&Foo::identity)(f, 5) == 5));
+	assert((std::mem_fn(&Foo::sum)(f, 5, 6) == 11));
+	
+    typedef std::mem_fun_ref_t<int, Foo> MFR;
+    typedef std::const_mem_fun_ref_t<int, Foo> CMFR;
+	
+	assert((std::mem_fun_ref(&Foo::zero)(f) == 0));
+	assert((std::mem_fun_ref(&Foo::identity)(f, 5) == 5));
+}