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cmake/external/glib/cppgir/expected-lite/test/expected-main.t.hpp

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+// Copyright (c) 2016-2018 Martin Moene
+//
+// https://github.com/martinmoene/expected-lite
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#pragma once
+
+#ifndef TEST_EXPECTED_LITE_H_INCLUDED
+#define TEST_EXPECTED_LITE_H_INCLUDED
+
+// Limit C++ Core Guidelines checking to expected-lite:
+
+#include "nonstd/expected.hpp"
+
+#if nsel_COMPILER_MSVC_VER >= 1910
+# include <CppCoreCheck/Warnings.h>
+# pragma warning(disable: ALL_CPPCORECHECK_WARNINGS)
+#endif
+
+#include <iosfwd>
+namespace lest {
+
+template< typename T, typename E >
+std::ostream & operator<<( std::ostream & os, nonstd::expected<T,E> const & );
+
+template< typename E >
+std::ostream & operator<<( std::ostream & os, nonstd::expected<void,E> const & );
+} // namespace lest
+
+// Compiler warning suppression for usage of lest:
+
+#ifdef __clang__
+# pragma clang diagnostic ignored "-Wstring-conversion"
+# pragma clang diagnostic ignored "-Wunused-parameter"
+# pragma clang diagnostic ignored "-Wunused-template"
+# pragma clang diagnostic ignored "-Wunused-function"
+# pragma clang diagnostic ignored "-Wunused-member-function"
+#elif defined __GNUC__
+# pragma GCC   diagnostic ignored "-Wunused-parameter"
+# pragma GCC   diagnostic ignored "-Wunused-function"
+#endif
+
+#include "lest.hpp"
+
+#define CASE( name ) lest_CASE( specification(), name )
+
+extern lest::tests & specification();
+
+namespace lest {
+
+// use oparator<< instead of to_string() overload;
+// see  http://stackoverflow.com/a/10651752/437272
+
+template< typename T, typename E >
+inline std::ostream & operator<<( std::ostream & os, nonstd::expected<T,E> const & v )
+{
+    using lest::to_string;
+    return os << "[expected:" << (v ? to_string(*v) : "[empty]") << "]";
+}
+
+template< typename E >
+inline std::ostream & operator<<( std::ostream & os, nonstd::expected<void,E> const & v )
+{
+    using lest::to_string;
+    return os << "[expected<void>:" << (v ? "[non-empty]" : "[empty]") << "]";
+}
+
+} // namespace lest
+
+#endif // TEST_EXPECTED_LITE_H_INCLUDED
+
+// end of file