Enable scoped enums in endian_reverse

test/endian_reverse_test3.cpp

@@ -0,0 +1,62 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/endian/conversion.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <cstddef>
+
+template<class T> void test_reverse( T x )
+{
+    using boost::endian::endian_reverse;
+
+    T x2 = endian_reverse( endian_reverse( x ) );
+
+    BOOST_TEST( x == x2 );
+}
+
+template<class T> void test_reverse_inplace( T x )
+{
+    using boost::endian::endian_reverse_inplace;
+
+    T x2( x );
+
+    endian_reverse_inplace( x2 );
+    endian_reverse_inplace( x2 );
+
+    BOOST_TEST( x == x2 );
+}
+
+enum E1 { e1 };
+
+#if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
+
+enum E2: long { e2 };
+enum class E3 { e3 };
+enum class E4: long { e4 };
+
+#endif
+
+int main()
+{
+    test_reverse( 1 );
+
+#if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
+
+    test_reverse( E3::e3 );
+    test_reverse( E4::e4 );
+
+#endif
+
+    test_reverse_inplace( 1 );
+
+#if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
+
+    test_reverse_inplace( E3::e3 );
+    test_reverse_inplace( E4::e4 );
+
+#endif
+
+    return boost::report_errors();
+}