1 files changed, 58 insertions, 0 deletions
diff --git a/libcxx/test/std/depr/depr.lib.binders/depr.lib.binder.1st/binder1st.pass.cpp b/libcxx/test/std/depr/depr.lib.binders/depr.lib.binder.1st/binder1st.pass.cpp
new file mode 100644
index 00000000000..8b7aaf0fdae
--- /dev/null
+++ b/libcxx/test/std/depr/depr.lib.binders/depr.lib.binder.1st/binder1st.pass.cpp
@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>
+
+// template <class Fn>
+// class binder1st
+//   : public unary_function<typename Fn::second_argument_type, typename Fn::result_type>
+// {
+// protected:
+//   Fn op;
+//   typename Fn::first_argument_type value;
+// public:
+//   binder2nd(const Fn& x, const typename Fn::second_argument_type& y);
+//
+//   typename Fn::result_type operator()(const typename Fn::first_argument_type& x) const;
+//   typename Fn::result_type operator()(typename Fn::first_argument_type& x) const;
+// };
+
+#include <functional>
+#include <type_traits>
+#include <cassert>
+
+#include "../test_func.h"
+
+class test
+    : public std::binder1st<test_func>
+{
+    typedef std::binder1st<test_func> base;
+public:
+    test() : std::binder1st<test_func>(test_func(2), 30) {}
+
+    void do_test()
+    {
+        static_assert((std::is_base_of<
+                         std::unary_function<test_func::second_argument_type,
+                                             test_func::result_type>,
+                         test>::value), "");
+        assert(op.id() == 2);
+        assert(value == 30);
+
+        double d = 5;
+        assert((*this)(d) == 35);
+        assert((*this)(5) == 25);
+    }
+};
+
+int main()
+{
+    test t;
+    t.do_test();
+}