Imported Upstream version 1.51.0upstream/1.51.0

1 files changed, 38 insertions, 0 deletions

diff --git a/libs/local_function/test/return_inc.cpp b/libs/local_function/test/return_inc.cpp
new file mode 100644
index 0000000000..4be2d01933
--- /dev/null
+++ b/libs/local_function/test/return_inc.cpp
@@ -0,0 +1,38 @@
+
+// Copyright (C) 2009-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://www.boost.org/libs/local_function
+
+#include <boost/config.hpp>
+#ifdef BOOST_NO_VARIADIC_MACROS
+#   error "variadic macros required"
+#else
+
+#include <boost/local_function.hpp>
+#include <boost/function.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+boost::function<int (void)> inc(int& value) {
+    int BOOST_LOCAL_FUNCTION(bind& value) {
+        return ++value;
+    } BOOST_LOCAL_FUNCTION_NAME(i)
+    return i;
+}
+
+int main(void) {
+    int value1 = 0; // Reference valid in scope where closure is used.
+    boost::function<int (void)> inc1 = inc(value1);
+    int value2 = 0;
+    boost::function<int (void)> inc2 = inc(value2);
+
+    BOOST_TEST(inc1() == 1);
+    BOOST_TEST(inc1() == 2);
+    BOOST_TEST(inc2() == 1);
+    BOOST_TEST(inc1() == 3);
+    return boost::report_errors();
+}
+
+#endif // VARIADIC_MACROS
+