Add a feature test for tp_g_signal_connect_object

This was a failed attempt to reproduce fd.o #27242, which turned out to
be an Empathy bug; but more test coverage is useful anyway.

1 files changed, 166 insertions, 0 deletions

diff --git a/tests/signal-connect-object.c b/tests/signal-connect-object.c
new file mode 100644
index 000000000..ffbba57c5
--- /dev/null
+++ b/tests/signal-connect-object.c
@@ -0,0 +1,166 @@
+/* Regression test for fd.o#27242
+ *
+ * Copyright © 2010 Collabora Ltd. <http://www.collabora.co.uk/>
+ *
+ * Copying and distribution of this file, with or without modification,
+ * are permitted in any medium without royalty provided the copyright
+ * notice and this notice are preserved.
+ */
+
+#include <telepathy-glib/debug.h>
+#include <telepathy-glib/util.h>
+
+#include "tests/lib/stub-object.h"
+#include "tests/lib/util.h"
+
+typedef struct
+{
+  guint caught;
+  GObject *emitter;
+  GObject *observer;
+} Test;
+
+#define DATA_KEY "signal-connect-object Test struct"
+
+static void
+increment_caught (GObject *emitter,
+    GParamSpec *param_spec,
+    gpointer user_data)
+{
+  GObject *observer = user_data;
+  Test *test = g_object_get_data (observer, DATA_KEY);
+
+  g_assert (test->emitter != NULL);
+  g_assert (G_IS_OBJECT (test->emitter));
+  g_assert (emitter != NULL);
+  g_assert (emitter == test->emitter);
+
+  g_assert (test->observer != NULL);
+  g_assert (G_IS_OBJECT (test->observer));
+  g_assert (observer != NULL);
+  g_assert (observer == test->observer);
+
+  g_assert (param_spec != NULL);
+  g_assert_cmpstr (g_param_spec_get_name (param_spec), ==, "name");
+
+  test->caught++;
+}
+
+static void
+increment_caught_swapped (gpointer user_data,
+    GParamSpec *param_spec,
+    GObject *emitter)
+{
+  increment_caught (emitter, param_spec, user_data);
+}
+
+static void
+setup (Test *test,
+    gconstpointer data)
+{
+  g_type_init ();
+  tp_debug_set_flags ("all");
+
+  test->caught = 0;
+  test->observer = g_object_new (stub_object_get_type (),
+    NULL);
+  g_object_set_data (test->observer, DATA_KEY, test);
+  test->emitter = g_object_new (stub_object_get_type (),
+    NULL);
+}
+
+static void
+teardown (Test *test,
+    gconstpointer data)
+{
+  test_clear_object (&test->emitter);
+  test_clear_object (&test->observer);
+}
+
+static void
+test_no_unref (Test *test,
+    gconstpointer data G_GNUC_UNUSED)
+{
+  tp_g_signal_connect_object (test->emitter, "notify::name",
+      G_CALLBACK (increment_caught), test->observer, 0);
+  g_object_notify (test->emitter, "name");
+  g_assert_cmpuint (test->caught, ==, 1);
+}
+
+static void
+test_swapped (Test *test,
+    gconstpointer data G_GNUC_UNUSED)
+{
+  tp_g_signal_connect_object (test->emitter, "notify::name",
+      G_CALLBACK (increment_caught_swapped), test->observer,
+      G_CONNECT_SWAPPED);
+  g_object_notify (test->emitter, "name");
+  g_assert_cmpuint (test->caught, ==, 1);
+}
+
+static void
+test_dead_observer (Test *test,
+    gconstpointer data G_GNUC_UNUSED)
+{
+  tp_g_signal_connect_object (test->emitter, "notify::name",
+      G_CALLBACK (increment_caught), test->observer, 0);
+  g_object_notify (test->emitter, "name");
+  g_object_notify (test->emitter, "name");
+  test_clear_object (&test->observer);
+  g_object_notify (test->emitter, "name");
+  g_assert_cmpuint (test->caught, ==, 2);
+}
+
+static void
+test_disconnected (Test *test,
+    gconstpointer data G_GNUC_UNUSED)
+{
+  gulong id;
+
+  id = tp_g_signal_connect_object (test->emitter, "notify::name",
+      G_CALLBACK (increment_caught), test->observer, 0);
+  g_object_notify (test->emitter, "name");
+  g_object_notify (test->emitter, "name");
+  g_signal_handler_disconnect (test->emitter, id);
+  g_object_notify (test->emitter, "name");
+  g_assert_cmpuint (test->caught, ==, 2);
+}
+
+static void
+test_dead_observer_and_disconnected (Test *test,
+    gconstpointer data G_GNUC_UNUSED)
+{
+  gulong id;
+
+  id = tp_g_signal_connect_object (test->emitter, "notify::name",
+      G_CALLBACK (increment_caught), test->observer, 0);
+  g_object_notify (test->emitter, "name");
+  g_object_notify (test->emitter, "name");
+  g_signal_handler_disconnect (test->emitter, id);
+  test_clear_object (&test->observer);
+  g_object_notify (test->emitter, "name");
+  g_assert_cmpuint (test->caught, ==, 2);
+}
+
+int
+main (int argc,
+    char **argv)
+{
+#define TEST_PREFIX "/signal-connect-object/"
+
+  g_test_init (&argc, &argv, NULL);
+  g_test_bug_base ("http://bugs.freedesktop.org/show_bug.cgi?id=");
+
+  g_test_add (TEST_PREFIX "no_unref", Test, NULL, setup, test_no_unref,
+      teardown);
+  g_test_add (TEST_PREFIX "swapped", Test, NULL, setup, test_swapped,
+      teardown);
+  g_test_add (TEST_PREFIX "dead_observer", Test, NULL, setup,
+      test_dead_observer, teardown);
+  g_test_add (TEST_PREFIX "disconnected", Test, NULL, setup,
+      test_disconnected, teardown);
+  g_test_add (TEST_PREFIX "dead_observer_and_disconnected", Test, NULL, setup,
+      test_dead_observer_and_disconnected, teardown);
+
+  return g_test_run ();
+}