[pygobject] Wrap GLib.Source.is_destroyed() method

[Martin Pitt <martinpitt src gnome org>]

commit d4054be9de3b7e4ed64c8172ebbde0a697462c79
Author: Martin Pitt <martinpitt gnome org>
Date:   Wed Apr 4 17:54:52 2012 +0200

    Wrap GLib.Source.is_destroyed() method
    
    Based on original patch from Bryan Silverthorn.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=524719

 gi/_glib/pygsource.c |   15 +++++++++++++++
 tests/test_source.py |   24 ++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 0 deletions(-)
---
diff --git a/gi/_glib/pygsource.c b/gi/_glib/pygsource.c
index 6c290a8..d11f474 100644
--- a/gi/_glib/pygsource.c
+++ b/gi/_glib/pygsource.c
@@ -130,6 +130,20 @@ pyg_source_destroy(PyGSource *self)
 }
 
 static PyObject *
+pyg_source_is_destroyed(PyGSource *self)
+{
+    PyObject *result;
+
+    if (self->source == NULL || g_source_is_destroyed(self->source))
+        result = Py_True;
+    else
+        result = Py_False;
+
+    Py_INCREF(result);
+    return result;
+}
+
+static PyObject *
 pyg_source_set_callback(PyGSource *self, PyObject *args)
 {
     PyObject *first, *callback, *cbargs = NULL, *data;
@@ -255,6 +269,7 @@ pyg_source_get_current_time(PyGSource *self)
 static PyMethodDef pyg_source_methods[] = {
     { "attach", (PyCFunction)pyg_source_attach, METH_VARARGS|METH_KEYWORDS },
     { "destroy", (PyCFunction)pyg_source_destroy, METH_NOARGS },
+    { "is_destroyed", (PyCFunction)pyg_source_is_destroyed, METH_NOARGS },
     { "set_callback", (PyCFunction)pyg_source_set_callback, METH_VARARGS },
     { "get_context", (PyCFunction)pyg_source_get_context, METH_NOARGS },
     { "add_poll", (PyCFunction)pyg_source_add_poll, METH_KEYWORDS },
diff --git a/tests/test_source.py b/tests/test_source.py
index 85362ad..fe674cd 100644
--- a/tests/test_source.py
+++ b/tests/test_source.py
@@ -89,6 +89,30 @@ class TestSource(unittest.TestCase):
 
         assert dispatched[0]
 
+    def testIsDestroyedSimple(self):
+        s = GLib.Source()
+
+        self.assertFalse(s.is_destroyed())
+        s.destroy()
+        self.assertTrue(s.is_destroyed())
+
+        c = GLib.MainContext()
+        s = GLib.Source()
+        s.attach(c)
+        self.assertFalse(s.is_destroyed())
+        s.destroy()
+        self.assertTrue(s.is_destroyed())
+
+    def testIsDestroyedContext(self):
+        def f():
+            c = GLib.MainContext()
+            s = GLib.Source()
+            s.attach(c)
+            return s
+
+        s = f()
+        self.assertTrue(s.is_destroyed())
+
 
 class TestTimeout(unittest.TestCase):
     def test504337(self):