1 files changed, 66 insertions, 0 deletions
diff --git a/src/boost/libs/spirit/test/x3/difference.cpp b/src/boost/libs/spirit/test/x3/difference.cpp
new file mode 100644
index 00000000..5581cdea
--- /dev/null
+++ b/src/boost/libs/spirit/test/x3/difference.cpp
@@ -0,0 +1,66 @@
+/*=============================================================================
+    Copyright (c) 2001-2015 Joel de Guzman
+
+    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>
+#include <boost/spirit/home/x3.hpp>
+
+#include <string>
+#include <iostream>
+#include "test.hpp"
+
+int
+main()
+{
+    using boost::spirit::x3::ascii::char_;
+    using boost::spirit::x3::ascii::space;
+    using boost::spirit::x3::lit;
+    using spirit_test::test;
+    using spirit_test::test_attr;
+
+    // Basic tests
+    {
+        BOOST_TEST(test("b", char_ - 'a'));
+        BOOST_TEST(!test("a", char_ - 'a'));
+        BOOST_TEST(test("/* abcdefghijk */", "/*" >> *(char_ - "*/") >> "*/"));
+        BOOST_TEST(!test("switch", lit("switch") - "switch"));
+    }
+
+    // Test attributes
+    {
+        char attr;
+        BOOST_TEST(test_attr("xg", (char_ - 'g') >> 'g', attr));
+        BOOST_TEST(attr == 'x');
+    }
+
+    // Test handling of container attributes
+    {
+        std::string attr;
+        BOOST_TEST(test_attr("abcdefg", *(char_ - 'g') >> 'g', attr));
+        BOOST_TEST(attr == "abcdef");
+    }
+
+    {
+        using boost::spirit::x3::_attr;
+
+        std::string s;
+
+        BOOST_TEST(test(
+            "/*abcdefghijk*/"
+          , "/*" >> *(char_ - "*/")[([&](auto& ctx){ s += _attr(ctx); })] >> "*/"
+        ));
+        BOOST_TEST(s == "abcdefghijk");
+        s.clear();
+
+        BOOST_TEST(test(
+            "    /*abcdefghijk*/"
+          , "/*" >> *(char_ - "*/")[([&](auto& ctx){ s += _attr(ctx); })] >> "*/"
+          , space
+        ));
+        BOOST_TEST(s == "abcdefghijk");
+    }
+
+    return boost::report_errors();
+}