From 1f6d6c61849e89527c9b7be0818a16ce4833e8cf Mon Sep 17 00:00:00 2001
From: hia3 <mikhail.strelnikov@gmail.com>
Date: Sun, 27 Mar 2016 12:26:09 +0300
Subject: [PATCH] Tst for bug #12085

https://svn.boost.org/trac/boost/ticket/12085
---
 test/x3/not_predicate.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/x3/not_predicate.cpp b/test/x3/not_predicate.cpp
index 808c3fc2ec..036814ef7d 100644
--- a/test/x3/not_predicate.cpp
+++ b/test/x3/not_predicate.cpp
@@ -15,7 +15,10 @@ int
 main()
 {
     using spirit_test::test;
+    using spirit_test::test_attr;
+    using boost::spirit::x3::alpha;
     using boost::spirit::x3::int_;
+    using boost::spirit::x3::lexeme;
 
     {
         BOOST_TEST((!test("1234", !int_)));
@@ -23,5 +26,13 @@ main()
         BOOST_TEST((!test("abcd", !!int_, false)));
     }
 
+    // Test attributes
+    {
+        std::string attr1, attr2;
+        BOOST_TEST(test_attr("abc", !int_ >> lexeme[alpha >> *alpha], attr1));
+        BOOST_TEST(test_attr("abc", lexeme[alpha >> *alpha]  -  int_, attr2));
+        BOOST_TEST_EQ(attr1, attr2);
+    }
+
     return boost::report_errors();
 }