1 files changed, 40 insertions, 0 deletions
diff --git a/src/boost/libs/metaparse/test/unless_error.cpp b/src/boost/libs/metaparse/test/unless_error.cpp
new file mode 100644
index 000000000..b8315adda
--- /dev/null
+++ b/src/boost/libs/metaparse/test/unless_error.cpp
@@ -0,0 +1,40 @@
+// Copyright Abel Sinkovics (abel@sinkovics.hu) 2011.
+// 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/metaparse/unless_error.hpp>
+#include <boost/metaparse/is_error.hpp>
+#include <boost/metaparse/fail.hpp>
+
+#include "common.hpp"
+
+#include <boost/mpl/equal_to.hpp>
+#include <boost/mpl/apply_wrap.hpp>
+#include <boost/mpl/assert.hpp>
+
+#include "test_case.hpp"
+
+namespace
+{
+  using boost::mpl::apply_wrap2;
+  using boost::metaparse::fail;
+
+  typedef apply_wrap2<fail<int1>, int11, int2> err;
+}
+
+BOOST_METAPARSE_TEST_CASE(util_unless_error)
+{
+  using boost::metaparse::is_error;
+  using boost::metaparse::unless_error;
+  
+  using boost::mpl::equal_to;
+
+  // test_error
+  BOOST_MPL_ASSERT((is_error<unless_error<err, int13> >));
+
+  // test_not_error
+  BOOST_MPL_ASSERT((equal_to<int13, unless_error<int11, int13>::type>));
+}
+
+