Tidy up experimental files

include/boost/beast/_experimental/test/impl/impl/error.hpp

@@ -0,0 +1,59 @@
+//
+// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// Official repository: https://github.com/boostorg/beast
+//
+
+#ifndef BOOST_BEAST_TEST_IMPL_IMPL_ERROR_HPP
+#define BOOST_BEAST_TEST_IMPL_IMPL_ERROR_HPP
+
+namespace boost {
+namespace beast {
+namespace test {
+
+namespace detail {
+
+const char*
+error_codes::
+name() const noexcept
+{
+    return "boost.beast.test";
+}
+
+std::string
+error_codes::
+message(int ev) const
+{
+    switch(static_cast<error>(ev))
+    {
+    default:
+    case error::test_failure: return
+        "The test stream generated a simulated error";
+    }
+}
+
+error_condition
+error_codes::
+default_error_condition(int ev) const noexcept
+{
+    return error_condition{ev, *this};
+}
+
+} // detail
+
+error_code
+make_error_code(error e) noexcept
+{
+    static detail::error_codes const cat{};
+    return error_code{static_cast<
+        std::underlying_type<error>::type>(e), cat};
+}
+
+} // test
+} // beast
+} // boost
+
+#endif