From 564280e6223ceeafcf037a63e3b7d090732ec876 Mon Sep 17 00:00:00 2001
From: Steven Watanabe <steven@providere-consulting.com>
Date: Thu, 20 Aug 2009 14:01:39 +0000
Subject: [PATCH] Make the unrolled implementation of all work for multiples of
 four.  Fixes #2599.

[SVN r55686]
---
 include/boost/fusion/algorithm/query/detail/all.hpp |  2 +-
 test/algorithm/all.cpp                              | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/boost/fusion/algorithm/query/detail/all.hpp b/include/boost/fusion/algorithm/query/detail/all.hpp
index 979cfb11..51fd393f 100644
--- a/include/boost/fusion/algorithm/query/detail/all.hpp
+++ b/include/boost/fusion/algorithm/query/detail/all.hpp
@@ -108,7 +108,7 @@ namespace boost { namespace fusion { namespace detail
         template <typename It, typename F>
         static bool call(It const& it, F f)
         {
-            return false;
+            return true;
         }
     };
 
diff --git a/test/algorithm/all.cpp b/test/algorithm/all.cpp
index 47c65e50..a4c7f32c 100644
--- a/test/algorithm/all.cpp
+++ b/test/algorithm/all.cpp
@@ -33,12 +33,24 @@ namespace
 int
 main()
 {
+    {
+        boost::fusion::vector<> t;
+        BOOST_TEST((boost::fusion::all(t, boost::lambda::_1 < 4)));
+        BOOST_TEST((boost::fusion::all(t, boost::lambda::_1 > 0)));
+    }
+
     {
         boost::fusion::vector<int, short, double> t(1, 2, 3.3);
         BOOST_TEST((boost::fusion::all(t, boost::lambda::_1 < 4)));
         BOOST_TEST((boost::fusion::all(t, boost::lambda::_1 > 0)));
     }
 
+    {
+        boost::fusion::vector<int, short, double, long> t(1, 2, 3.3, 2);
+        BOOST_TEST((boost::fusion::all(t, boost::lambda::_1 < 4)));
+        BOOST_TEST((boost::fusion::all(t, boost::lambda::_1 > 0)));
+    }
+
     {
         boost::fusion::vector<int, short, double> t(1, 2, 3.3);
         BOOST_TEST((!boost::fusion::all(t, boost::lambda::_1 == 1)));