[pygi] A few tests about interfaces

[Tomeu Vizoso <tomeuv src gnome org>]

commit 96f6c638709636d7e2ddf560b877879691da3314
Author: Tomeu Vizoso <tomeu sugarlabs org>
Date:   Sat Nov 28 11:03:51 2009 +0000

    A few tests about interfaces
    
    https://bugzilla.gnome.org/show_bug.cgi?id=601181

 tests/libtestgi.c |   23 +++++++++++++++++++++++
 tests/libtestgi.h |   16 ++++++++++++++++
 tests/test_gi.py  |   21 +++++++++++++++++++++
 3 files changed, 60 insertions(+), 0 deletions(-)
---
diff --git a/tests/libtestgi.c b/tests/libtestgi.c
index 87f95ae..613c0d9 100644
--- a/tests/libtestgi.c
+++ b/tests/libtestgi.c
@@ -3394,6 +3394,29 @@ test_gi_sub_object_overwritten_method (TestGISubObject *object)
     g_assert(TESTGI_OBJECT(object)->int_ == 0);
 }
 
+/* Interfaces */
+
+static void
+test_gi_interface_class_init(void *g_iface)
+{
+}
+
+GType
+test_gi_interface_get_type(void)
+{
+    static GType type = 0;
+    if (type == 0) {
+        type = g_type_register_static_simple (G_TYPE_INTERFACE,
+                                              "TestGIInterface",
+                                              sizeof (TestGIInterfaceIface),
+                                              (GClassInitFunc) test_gi_interface_class_init,
+                                              0, NULL, 0);
+    }
+
+    return type;
+}
+
+
 /**
  * test_gi_int_out_out:
  * int0: (out):
diff --git a/tests/libtestgi.h b/tests/libtestgi.h
index 1ec4777..7c344af 100644
--- a/tests/libtestgi.h
+++ b/tests/libtestgi.h
@@ -636,6 +636,22 @@ GType test_gi_sub_object_get_type (void) G_GNUC_CONST;
 void test_gi_sub_object_sub_method (TestGISubObject *object);
 void test_gi_sub_object_overwritten_method (TestGISubObject *object);
 
+/* Interfaces */
+
+#define TESTGI_TYPE_INTERFACE              (test_gi_interface_get_type ())
+#define TESTGI_INTERFACE(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), TESTGI_TYPE_INTERFACE, TestGIInterface))
+#define TESTGI_IS_INTERFACE(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), TESTGI_TYPE_INTERFACE))
+#define TESTGI_INTERFACE_GET_IFACE(obj)    (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TESTGI_TYPE_INTERFACE, TestGIInterfaceIface))
+
+typedef struct _TestGIInterface TestGIInterface;
+typedef struct _TestGIInterfaceIface TestGIInterfaceIface;
+
+struct _TestGIInterfaceIface {
+    GTypeInterface base_iface;
+};
+
+GType test_gi_interface_get_type (void) G_GNUC_CONST;
+
 
 /* Multiple output arguments */
 
diff --git a/tests/test_gi.py b/tests/test_gi.py
index 2d9c002..4503d62 100644
--- a/tests/test_gi.py
+++ b/tests/test_gi.py
@@ -1450,3 +1450,24 @@ class TestMultiOutputArgs(unittest.TestCase):
         self.assertEquals((6, 7), TestGI.int_return_out())
 
 
+# Interface
+
+class TestInterfaces(unittest.TestCase):
+
+    def test_wrapper(self):
+        self.assertTrue(issubclass(TestGI.Interface, gobject.GInterface))
+        self.assertEquals(TestGI.Interface.__gtype__.name, 'TestGIInterface')
+        self.assertRaises(NotImplementedError, TestGI.Interface)
+
+    def test_implementation(self):
+
+        class TestInterfaceImpl(gobject.GObject, TestGI.Interface):
+            __gtype_name__ = 'TestInterfaceImpl'
+            def __init__(self):
+                gobject.GObject.__init__(self)
+
+        self.assertTrue(issubclass(TestInterfaceImpl, TestGI.Interface))
+
+        instance = TestInterfaceImpl()
+        self.assertTrue(isinstance(instance, TestGI.Interface))
+