From c88e8803fb21dcd1fd9f8d891c243b3fe60dc110 Mon Sep 17 00:00:00 2001
From: Tobias Schwinger <tschwinger@isonews2.com>
Date: Sun, 14 Jun 2009 18:30:02 +0000
Subject: [PATCH] introduces test for unfusing adapter

[SVN r53905]
---
 test/functional/unfused.cpp | 119 ++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 test/functional/unfused.cpp

diff --git a/test/functional/unfused.cpp b/test/functional/unfused.cpp
new file mode 100644
index 00000000..0f69be9c
--- /dev/null
+++ b/test/functional/unfused.cpp
@@ -0,0 +1,119 @@
+/*=============================================================================
+    Copyright (c) 2006-2007 Tobias Schwinger
+  
+    Use modification and distribution are subject to 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/fusion/functional/adapter/unfused.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+#include <boost/noncopyable.hpp>
+#include <boost/blank.hpp>
+
+#include <boost/mpl/identity.hpp>
+
+#include <boost/utility/result_of.hpp>
+
+#include <boost/fusion/sequence/intrinsic/empty.hpp>
+#include <boost/fusion/algorithm/iteration/fold.hpp>
+
+namespace fusion = boost::fusion;
+namespace mpl = boost::mpl;
+
+using boost::noncopyable;
+
+template <class Base = boost::blank>
+struct test_func
+    : Base
+{
+    template <typename Sig>
+    struct result;
+
+    template <class Self, class Seq> 
+    struct result< Self(Seq) >
+        : mpl::identity<long> 
+    { };
+
+    template <typename Seq>
+    long operator()(Seq const & seq) const
+    {
+        long state = 0;
+        return fusion::fold(seq, state, fold_op());
+    }
+
+    template <typename Seq>
+    long operator()(Seq const & seq) 
+    {
+        long state = 100;
+        return fusion::fold(seq, state, fold_op());
+    }
+
+  private:
+
+    struct fold_op
+    {
+        typedef long result_type;
+
+        template <typename T>
+        long operator()(T & elem, long value) const
+        {
+          elem += sizeof(T);
+          return value + elem;
+        }
+    };
+};
+
+void result_type_tests()
+{
+    using boost::is_same;
+
+    typedef fusion::unfused< test_func<> > t;
+    BOOST_TEST(( is_same< boost::result_of< t () >::type, long >::value ));
+    BOOST_TEST(( is_same< boost::result_of< t (int) >::type, long >::value ));
+}
+
+int main()
+{
+    result_type_tests();
+
+    test_func<noncopyable> f;
+    fusion::unfused< test_func<> > unfused_func;
+    fusion::unfused< test_func<noncopyable> & > unfused_func_ref(f);
+    fusion::unfused< test_func<> const > unfused_func_c;
+    fusion::unfused< test_func<> > const unfused_func_c2;
+    fusion::unfused< test_func<noncopyable> const & > unfused_func_c_ref(f);
+
+    BOOST_TEST(unfused_func() == 100);
+    BOOST_TEST(unfused_func_ref() == 100);
+    BOOST_TEST(unfused_func_c() == 0);
+    BOOST_TEST(unfused_func_c2() == 0);
+    BOOST_TEST(unfused_func_c_ref() == 0);
+
+    long lv1 = 2; int lv2 = 3l; char lv3 = '\007'; 
+    long expected;
+
+    expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
+    BOOST_TEST(unfused_func(lv1,lv2,lv3) == 100 + expected); 
+    BOOST_TEST(lv1 == 2+1*sizeof(lv1) && lv2 == 3+1*sizeof(lv2) && lv3 == 7+1*sizeof(lv3));
+
+    expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
+    BOOST_TEST(unfused_func_ref(lv1,lv2,lv3) == 100 + expected); 
+    BOOST_TEST(lv1 == 2+2*sizeof(lv1) && lv2 == 3+2*sizeof(lv2) && lv3 == 7+2*sizeof(lv3));
+
+    expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
+    BOOST_TEST(unfused_func_c(lv1,lv2,lv3) == 0 + expected); 
+    BOOST_TEST(lv1 == 2+3*sizeof(lv1) && lv2 == 3+3*sizeof(lv2) && lv3 == 7+3*sizeof(lv3));
+
+    expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
+    BOOST_TEST(unfused_func_c2(lv1,lv2,lv3) == 0 + expected); 
+    BOOST_TEST(lv1 == 2+4*sizeof(lv1) && lv2 == 3+4*sizeof(lv2) && lv3 == 7+4*sizeof(lv3));
+
+    expected = lv1+sizeof(lv1) + lv2+sizeof(lv2) + lv3+sizeof(lv3);
+    BOOST_TEST(unfused_func_c_ref(lv1,lv2,lv3) == 0 + expected); 
+    BOOST_TEST(lv1 == 2+5*sizeof(lv1) && lv2 == 3+5*sizeof(lv2) && lv3 == 7+5*sizeof(lv3));
+
+    return boost::report_errors();
+}
+