From f22ae81a919db06319deffc88cb9c8fa59fa6d2e Mon Sep 17 00:00:00 2001
From: Laurent Rineau <Laurent.Rineau__CGAL@normalesup.org>
Date: Thu, 12 Apr 2012 14:35:20 +0000
Subject: [PATCH] Trivial bug: add missing #include

If CGAL::cpp0x::tuple is Boosts implementation, one wants equality operator
operator==.

Add the corresponding test in test/STL_Extension/.
---
 STL_Extension/include/CGAL/tuple.h                      | 1 +
 STL_Extension/test/STL_Extension/test_stl_extension.cpp | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/STL_Extension/include/CGAL/tuple.h b/STL_Extension/include/CGAL/tuple.h
index 7caa2c05098..65699b3c76e 100644
--- a/STL_Extension/include/CGAL/tuple.h
+++ b/STL_Extension/include/CGAL/tuple.h
@@ -31,6 +31,7 @@
 #  include <tr1/tuple>
 #else
 #  include <boost/tuple/tuple.hpp>
+#  include <boost/tuple/tuple_comparison.hpp>
 #endif
 
 namespace CGAL {
diff --git a/STL_Extension/test/STL_Extension/test_stl_extension.cpp b/STL_Extension/test/STL_Extension/test_stl_extension.cpp
index d81c78068db..a7ab589d457 100644
--- a/STL_Extension/test/STL_Extension/test_stl_extension.cpp
+++ b/STL_Extension/test/STL_Extension/test_stl_extension.cpp
@@ -8109,10 +8109,14 @@ void test_tuple(){
   CGAL_static_assertion( (boost::is_same<CGAL::cpp0x::tuple_element<1,T2>::type,My_to_int>::value) );  
   
   T1 t1=CGAL::cpp0x::make_tuple(1,2);
+  T1 t1_2=CGAL::cpp0x::make_tuple(1,2);
   int i1=-1,i2=-1;
   CGAL::cpp0x::tie(i1,i2)=t1;
   CGAL_assertion( CGAL::cpp0x::get<0>(t1)==i1 );
   CGAL_assertion( CGAL::cpp0x::get<1>(t1)==i2 );
+  CGAL_assertion(t1==t1_2); // test the equality operator
+  T2 t2 = T2();
+  CGAL_assertion( t2 == T2() ); 
 }
 
 void test_prev_next()