1 files changed, 90 insertions, 0 deletions
diff --git a/src/boost/libs/spirit/test/karma/optional.cpp b/src/boost/libs/spirit/test/karma/optional.cpp
new file mode 100644
index 000000000..3369c1e6c
--- /dev/null
+++ b/src/boost/libs/spirit/test/karma/optional.cpp
@@ -0,0 +1,90 @@
+//  Copyright (c) 2001-2011 Hartmut Kaiser
+// 
+//  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/config/warning_disable.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+#include <boost/spirit/include/karma_char.hpp>
+#include <boost/spirit/include/karma_operator.hpp>
+#include <boost/spirit/include/karma_numeric.hpp>
+#include <boost/spirit/include/karma_action.hpp>
+#include <boost/spirit/include/phoenix_core.hpp>
+#include <boost/spirit/include/phoenix_operator.hpp>
+
+#include <iostream>
+#include "test.hpp"
+
+int main()
+{
+    using namespace spirit_test;
+    using namespace boost::spirit;
+    using namespace boost::spirit::ascii;
+
+    {
+        boost::optional<int> opt;
+        BOOST_TEST(test("", -int_, opt));
+
+        opt = 10;
+        BOOST_TEST(test("10", -int_, opt));
+    }
+
+    {
+        int opt = 10;
+        BOOST_TEST(test("10", -int_, opt));
+    }
+
+    {
+        boost::optional<int> opt;
+        BOOST_TEST(test_delimited("", -int_, opt, space));
+
+        opt = 10;
+        BOOST_TEST(test_delimited("10 ", -int_, opt, space));
+    }
+
+    {
+        int opt = 10;
+        BOOST_TEST(test_delimited("10 ", -int_, opt, space));
+    }
+
+    {   // test action
+        using namespace boost::phoenix;
+        namespace phoenix = boost::phoenix;
+
+        boost::optional<int> n ;
+        BOOST_TEST(test("", (-int_)[_1 = phoenix::ref(n)]));
+
+        n = 1234;
+        BOOST_TEST(test("1234", (-int_)[_1 = phoenix::ref(n)]));
+    }
+
+    {   // test action
+        using namespace boost::phoenix;
+        namespace phoenix = boost::phoenix;
+
+        int n = 1234;
+        BOOST_TEST(test("1234", (-int_)[_1 = phoenix::ref(n)]));
+    }
+
+    {   // test action
+        using namespace boost::phoenix;
+        namespace phoenix = boost::phoenix;
+
+        boost::optional<int> n;
+        BOOST_TEST(test_delimited("", (-int_)[_1 = phoenix::ref(n)], space));
+
+        n = 1234;
+        BOOST_TEST(test_delimited("1234 ", (-int_)[_1 = phoenix::ref(n)], space));
+    }
+
+    {   // test action
+        using namespace boost::phoenix;
+        namespace phoenix = boost::phoenix;
+
+        int n = 1234;
+        BOOST_TEST(test_delimited("1234 ", (-int_)[_1 = phoenix::ref(n)], space));
+    }
+
+    return boost::report_errors();
+}