1 files changed, 78 insertions, 0 deletions
diff --git a/libs/phoenix/test/function/lazy_list_tests.cpp b/libs/phoenix/test/function/lazy_list_tests.cpp
new file mode 100644
index 000000000..47caf6496
--- /dev/null
+++ b/libs/phoenix/test/function/lazy_list_tests.cpp
@@ -0,0 +1,78 @@
+////////////////////////////////////////////////////////////////////////////
+// lazy_list_tests.cpp
+//
+// tests on list<T>
+//
+////////////////////////////////////////////////////////////////////////////
+/*=============================================================================
+    Copyright (c) 2000-2003 Brian McNamara and Yannis Smaragdakis
+    Copyright (c) 2001-2007 Joel de Guzman
+    Copyright (c) 2015 John Fletcher
+
+    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/phoenix/core/limits.hpp>
+
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/phoenix/core.hpp>
+#include <boost/phoenix/function/lazy_prelude.hpp>
+
+
+int main()
+{
+    namespace phx = boost::phoenix;
+    using boost::phoenix::arg_names::arg1;
+    using boost::phoenix::arg_names::arg2;
+    using phx::null;
+    using phx::list;
+    using phx::head;
+    using phx::tail;
+    using phx::cons;
+    using phx::cat;
+    using phx::take;
+    using phx::NIL;
+
+    list<int> l0;
+    list<int> l1 = cons(1,l0);
+    list<int> l2 = cons(2,l1);
+    list<int> l3 = cons(3,l2);
+    list<int> l4 = cons(4,l3);
+    list<int> l5 = cons(5,NIL);
+    list<int> l6 = take(2,l4)();
+    list<int> l7 = cons(7,take(2,l4));
+    list<int> l8 = take(1,take(3,l4))();
+  
+    BOOST_TEST(null(l0)());
+    BOOST_TEST(null(arg1)(l0));
+    BOOST_TEST(head(l1)()     == 1);
+    BOOST_TEST(head(arg1)(l1) == 1);
+    BOOST_TEST(head(tail(l2))()     == 1);
+    BOOST_TEST(head(tail(arg1))(l2) == 1);
+    BOOST_TEST(head(tail(tail(l3)))()     == 1);
+    BOOST_TEST(head(tail(tail(arg1)))(l3) == 1);
+    BOOST_TEST(head(tail(tail(l4)))()     == 2);
+    BOOST_TEST(head(tail(tail(arg1)))(l4) == 2);
+    BOOST_TEST(head(l5)()     == 5);
+    BOOST_TEST(head(arg1)(l5) == 5);
+    BOOST_TEST(head(tail(l6))()     == 3);
+    BOOST_TEST(head(tail(arg1))(l6) == 3);
+    BOOST_TEST(head(tail(l7))()     == 4);
+    BOOST_TEST(head(tail(arg1))(l7) == 4);
+    BOOST_TEST(head(l8)()     == 4);
+    BOOST_TEST(head(arg1)(l8) == 4);
+
+    list<int> l9  = cat(l8,take(2,l4));
+    list<int> l10 = cat(l8,NIL);
+    list<int> l11 = cat(l0,l7);
+    list<int> l12 = cat(l10,l8);
+
+    BOOST_TEST(head(tail(l9))() == 4);
+    BOOST_TEST(head(l10)()      == 4);
+    BOOST_TEST(head(arg1)(l11)  == 7);
+    BOOST_TEST(head(l12)()      == 4);
+
+   
+    return boost::report_errors();
+}