From 74724c32dd76dd46add430f75e7c032320633202 Mon Sep 17 00:00:00 2001
From: Dan Marsden <danmarsden@yahoo.co.uk>
Date: Tue, 6 Mar 2007 21:51:06 +0000
Subject: [PATCH] testing the zip algorithm with unused arg

[SVN r37151]
---
 test/Jamfile                  |  1 +
 test/algorithm/zip_ignore.cpp | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 test/algorithm/zip_ignore.cpp

diff --git a/test/Jamfile b/test/Jamfile
index 88c225c8..4c50e0a4 100644
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -41,6 +41,7 @@ import testing ;
     [ run algorithm/join.cpp :  :  :  : ]
     [ run algorithm/zip.cpp : : : : ]
     [ run algorithm/zip2.cpp : : : : ]
+    [ run algorithm/zip_ignore.cpp : : : : ]
 
     [ run sequence/as_list.cpp :  :  :  : ]
     [ run sequence/as_map.cpp :  :  :  : ]
diff --git a/test/algorithm/zip_ignore.cpp b/test/algorithm/zip_ignore.cpp
new file mode 100644
index 00000000..cd71ed44
--- /dev/null
+++ b/test/algorithm/zip_ignore.cpp
@@ -0,0 +1,28 @@
+/*=============================================================================
+    Copyright (c) 2001-2007 Joel de Guzman
+    Copyright (c) 2007 Dan Marsden
+
+    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/fusion/sequence/container/vector.hpp>
+#include <boost/fusion/algorithm/transformation/zip.hpp>
+#include <boost/fusion/support/unused.hpp>
+#include <boost/fusion/iterator.hpp>
+#include <boost/fusion/sequence/intrinsic.hpp>
+
+int main()
+{
+    using namespace boost::fusion;
+    {
+        vector<int, int> iv(1,2);
+        vector<char, char> cv('a', 'b');
+        BOOST_TEST(at_c<0>(at_c<0>(zip(iv, unused, cv))) == 1);
+        BOOST_TEST(at_c<2>(at_c<0>(zip(iv, unused, cv))) == 'a');
+
+        BOOST_TEST(at_c<0>(at_c<1>(zip(iv, unused, cv))) == 2);
+        BOOST_TEST(at_c<2>(at_c<1>(zip(iv, unused, cv))) == 'b');
+    }
+    return boost::report_errors();
+}