1 files changed, 45 insertions, 0 deletions
diff --git a/libcxx/test/std/diagnostics/syserr/syserr.errcode/syserr.errcode.modifiers/ErrorCodeEnum.pass.cpp b/libcxx/test/std/diagnostics/syserr/syserr.errcode/syserr.errcode.modifiers/ErrorCodeEnum.pass.cpp
new file mode 100644
index 00000000000..6c073c9fd15
--- /dev/null
+++ b/libcxx/test/std/diagnostics/syserr/syserr.errcode/syserr.errcode.modifiers/ErrorCodeEnum.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <system_error>
+
+// class error_code
+
+// template <ErrorCodeEnum E> error_code& operator=(E e);
+
+#include <system_error>
+#include <cassert>
+
+enum testing
+{
+    zero, one, two
+};
+
+namespace std
+{
+
+template <> struct is_error_code_enum<testing> : public std::true_type {};
+
+}
+
+std::error_code
+make_error_code(testing x)
+{
+    return std::error_code(static_cast<int>(x), std::generic_category());
+}
+
+int main()
+{
+    {
+        std::error_code ec;
+        ec = two;
+        assert(ec.value() == 2);
+        assert(ec.category() == std::generic_category());
+    }
+}