--- /dev/null
+// Copyright 2019 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+#define BOOST_DISABLE_CURRENT_LOCATION
+
+#include <boost/assert/source_location.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+int main()
+{
+ {
+ boost::source_location loc;
+
+ BOOST_TEST_CSTR_EQ( loc.file_name(), "(unknown)" );
+ BOOST_TEST_CSTR_EQ( loc.function_name(), "(unknown)" );
+ BOOST_TEST_EQ( loc.line(), 0 );
+ BOOST_TEST_EQ( loc.column(), 0 );
+ }
+
+ {
+ boost::source_location loc = BOOST_CURRENT_LOCATION;
+
+
+ BOOST_TEST_CSTR_EQ( loc.file_name(), "(unknown)" );
+ BOOST_TEST_CSTR_EQ( loc.function_name(), "(unknown)" );
+ BOOST_TEST_EQ( loc.line(), 0 );
+ BOOST_TEST_EQ( loc.column(), 0 );
+ }
+
+ return boost::report_errors();
+}