[libsigc++2] Added test_slot_move

[Murray Cumming <murrayc src gnome org>]

commit db579ba760d05bc7711db0fa0d6cb8b2b5d5048a
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Sep 1 16:17:24 2015 +0200

    Added test_slot_move
    
    This seems to do what it should, acting much like regular slot copying.

 tests/Makefile.am       |    2 +
 tests/test_slot_move.cc |   66 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 1167e83..4f5a872 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -45,6 +45,7 @@ check_PROGRAMS = \
   test_size \
   test_slot \
   test_slot_disconnect \
+  test_slot_move \
   test_trackable \
   test_trackable_move \
   test_track_obj \
@@ -79,6 +80,7 @@ test_signal_SOURCES          = test_signal.cc $(sigc_test_util)
 test_size_SOURCES            = test_size.cc $(sigc_test_util)
 test_slot_SOURCES            = test_slot.cc $(sigc_test_util)
 test_slot_disconnect_SOURCES = test_slot_disconnect.cc $(sigc_test_util)
+test_slot_move_SOURCES       = test_slot_move.cc $(sigc_test_util)
 test_trackable_SOURCES       = test_trackable.cc $(sigc_test_util)
 test_trackable_move_SOURCES  = test_trackable_move.cc $(sigc_test_util)
 test_track_obj_SOURCES       = test_track_obj.cc $(sigc_test_util)
diff --git a/tests/test_slot_move.cc b/tests/test_slot_move.cc
new file mode 100644
index 0000000..62896b9
--- /dev/null
+++ b/tests/test_slot_move.cc
@@ -0,0 +1,66 @@
+// -*- c++ -*-
+/* Copyright 2015, The libsigc++ Development Team
+ *  Assigned to public domain.  Use as you wish without restriction.
+ */
+
+#include "testutilities.h"
+#include <sigc++/functors/slot.h>
+#include <sstream>
+#include <string>
+#include <cstdlib>
+
+//The Tru64 compiler seems to need this to avoid an unresolved symbol
+//See bug #161503
+#include <new>
+SIGC_USING_STD(new)
+
+namespace
+{
+std::ostringstream result_stream;
+
+class foo
+{
+public:
+  void operator()(int i)
+  {
+    result_stream << "foo(int " << i << ")";
+  }
+
+  void operator()(std::string& str)
+  {
+    result_stream << "foo(string '" << str << "') ";
+    str="foo was here";
+  }
+
+  void operator()(int, int)
+  {
+    result_stream << "foo(int, int)";
+  }
+};
+
+} // end anonymous namespace
+
+int main(int argc, char* argv[])
+{
+  auto util = TestUtilities::get_instance();
+
+  if (!util->check_command_args(argc, argv))
+    return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
+
+  // simple test
+  sigc::slot<void,int> s1 = foo();
+  s1(1);
+  util->check_result(result_stream, "foo(int 1)");
+
+  // test move constructor:
+  sigc::slot<void,int> s2(std::move(s1));
+  s2(2);
+  util->check_result(result_stream, "foo(int 2)");
+
+  // test move assignment:
+  sigc::slot<void,int> s3 = std::move(s2);
+  s3(3);
+  util->check_result(result_stream, "foo(int 3)");
+
+  return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
+}