Add tests for lightweight_test.hpp.

test/lightweight_test_fail6.cpp

@@ -0,0 +1,27 @@
+//
+// Negative test for BOOST_TEST_THROWS
+//
+// Copyright (c) 2014 Peter Dimov
+//
+// 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
+//
+
+#include <boost/detail/lightweight_test.hpp>
+
+struct X
+{
+};
+
+void f()
+{
+    throw 5;
+}
+
+int main()
+{
+    BOOST_TEST_THROWS( f(), X );
+
+    return boost::report_errors();
+}