override: Fix leaks in test
[platform/upstream/glib.git] / tests / gobject / override.c
index d8bbb1e..47702d7 100644 (file)
-/* -*- mode: C; c-basic-offset: 4 -*- */
+/* GObject - GLib Type, Object, Parameter and Signal Library
+ * override.c: Closure override test program
+ * Copyright (C) 2001, James Henstridge
+ * Copyright (C) 2003, Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#undef G_LOG_DOMAIN
+#define        G_LOG_DOMAIN "TestOverride"
+
+#undef G_DISABLE_ASSERT
+#undef G_DISABLE_CHECKS
+#undef G_DISABLE_CAST_CHECKS
+
+#undef VERBOSE
+
+#include <string.h>
+
 #include <glib.h>
 #include <glib-object.h>
 
+#include "testcommon.h"
+
 static guint foo_signal_id = 0;
 static guint bar_signal_id = 0;
-
+static guint baz_signal_id = 0;
 
 static GType test_i_get_type (void);
 static GType test_a_get_type (void);
 static GType test_b_get_type (void);
 static GType test_c_get_type (void);
 
+static void  record (const gchar *str);
+
 #define TEST_TYPE_I (test_i_get_type ())
-#define TEST_I(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_I, TestI))
-#define TEST_I_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST((vtable), TEST_TYPE_I, TestIClass))
-#define TEST_IS_I(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_I))
-#define TEST_IS_I_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE((vtable), TEST_TYPE_I))
-#define TEST_I_GET_CLASS(object) (G_TYPE_INSTANCE_GET_INTERFACE((object), TEST_TYPE_I, TestIClass))
 
 typedef struct _TestI TestI;
 typedef struct _TestIClass TestIClass;
 
-struct _TestIClass {
-    GTypeInterface base_iface;
+struct _TestIClass
+{
+  GTypeInterface base_iface;
 };
 
 static void
 test_i_foo (TestI *self)
 {
-    g_print("TestI::foo called.\n");
+  record ("TestI::foo");
 }
 
-
 static void
-test_i_base_init (gpointer g_class)
+test_i_default_init (gpointer g_class)
 {
-    static gboolean initialised = FALSE;
-
-    if (!initialised) {
-       foo_signal_id = g_signal_newv("foo",
-                                     TEST_TYPE_I,
-                                     G_SIGNAL_RUN_LAST,
-                                     g_cclosure_new(G_CALLBACK(test_i_foo),
-                                                    NULL, NULL),
-                                     NULL, NULL,
-                                     g_cclosure_marshal_VOID__VOID,
-                                     G_TYPE_NONE, 0, NULL);
-    }
-    initialised = TRUE;
-}
-
-static GType
-test_i_get_type (void)
-{
-    static GType type = 0;
-  
-    if (!type) {
-       static const GTypeInfo type_info = {
-           sizeof (TestIClass),
-           (GBaseInitFunc) test_i_base_init, /* base_init */
-           NULL,             /* base_finalize */
-       };
-      
-       type = g_type_register_static (G_TYPE_INTERFACE, "TestI",
-                                      &type_info, 0);
-    }
-  
-    return type;
+  foo_signal_id = g_signal_newv ("foo",
+                                TEST_TYPE_I,
+                                G_SIGNAL_RUN_LAST,
+                                g_cclosure_new(G_CALLBACK(test_i_foo),
+                                               NULL, NULL),
+                                NULL, NULL,
+                                g_cclosure_marshal_VOID__VOID,
+                                G_TYPE_NONE, 0, NULL);
 }
 
-
+static DEFINE_IFACE (TestI, test_i, NULL, test_i_default_init)
 
 #define TEST_TYPE_A (test_a_get_type())
-#define TEST_A(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_A, TestA))
-#define TEST_A_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_A, TestAClass))
-#define TEST_IS_A(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_A))
-#define TEST_IS_A_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_A))
-#define TEST_A_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_A, TestAClass))
 
-typedef struct _TestA TestA;
-typedef struct _TestAClass TestAClass;
+     typedef struct _TestA TestA;
+     typedef struct _TestAClass TestAClass;
 
 struct _TestA {
-    GObject parent;
+  GObject parent;
 };
 struct _TestAClass {
-    GObjectClass parent_class;
+  GObjectClass parent_class;
 
-    void (* bar) (TestA *self);
+  void (* bar) (TestA *self);
 };
 
 static void
 test_a_foo (TestI *self)
 {
-    GValue args[1] = { { 0, } };
+  GValue args[1] = { G_VALUE_INIT };
 
-    g_print("TestA::foo called.  Chaining up.\n");
+  record ("TestA::foo");
 
-    g_value_init (&args[0], TEST_TYPE_A);
-    g_value_set_object (&args[0], self);
+  g_value_init (&args[0], TEST_TYPE_A);
+  g_value_set_object (&args[0], self);
 
-    g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+  g_assert (g_signal_get_invocation_hint (self)->signal_id == foo_signal_id);
+  g_signal_chain_from_overridden (args, NULL);
 
-    g_value_unset (&args[0]);
+  g_value_unset (&args[0]);
 }
 
 static void
 test_a_bar (TestA *self)
 {
-    g_print("TestA::bar called.\n");
+  record ("TestA::bar");
 }
 
-static void
-test_a_class_init (TestAClass *class)
+static gchar *
+test_a_baz (TestA    *self,
+            GObject  *object,
+            gpointer  pointer)
 {
-    class->bar = test_a_bar;
+  record ("TestA::baz");
 
-    bar_signal_id = g_signal_new("bar",
-                                TEST_TYPE_A,
-                                G_SIGNAL_RUN_LAST,
-                                G_STRUCT_OFFSET (TestAClass, bar),
-                                NULL, NULL,
-                                g_cclosure_marshal_VOID__VOID,
-                                G_TYPE_NONE, 0);
+  g_assert (object == G_OBJECT (self));
+  g_assert (GPOINTER_TO_INT (pointer) == 23);
+
+  return g_strdup ("TestA::baz");
 }
 
 static void
-test_a_interface_init (TestIClass *iface)
+test_a_class_init (TestAClass *class)
 {
-    g_signal_override_class_closure (foo_signal_id,
-                                    TEST_TYPE_A,
-                                    g_cclosure_new (G_CALLBACK (test_a_foo),
-                                                    NULL, NULL));
+  class->bar = test_a_bar;
+
+  bar_signal_id = g_signal_new ("bar",
+                               TEST_TYPE_A,
+                               G_SIGNAL_RUN_LAST,
+                               G_STRUCT_OFFSET (TestAClass, bar),
+                               NULL, NULL,
+                               g_cclosure_marshal_VOID__VOID,
+                               G_TYPE_NONE, 0, NULL);
+
+  baz_signal_id = g_signal_new_class_handler ("baz",
+                                              TEST_TYPE_A,
+                                              G_SIGNAL_RUN_LAST,
+                                              G_CALLBACK (test_a_baz),
+                                              NULL, NULL,
+                                              g_cclosure_marshal_STRING__OBJECT_POINTER,
+                                              G_TYPE_STRING, 2,
+                                              G_TYPE_OBJECT,
+                                              G_TYPE_POINTER);
 }
 
-static GType
-test_a_get_type (void)
+static void
+test_a_interface_init (TestIClass *iface)
 {
-    static GType type = 0;
-  
-    if (!type) {
-       static const GTypeInfo type_info = {
-            sizeof(TestAClass),
-            (GBaseInitFunc) NULL,
-            (GBaseFinalizeFunc) NULL,
-            (GClassInitFunc) test_a_class_init,
-            NULL, /* class_finalize */
-            NULL, /* class_data */
-            sizeof(TestAClass),
-            0, /* n_preallocs */
-            (GInstanceInitFunc) NULL,
-       };
-       static const GInterfaceInfo interface_info = {
-           (GInterfaceInitFunc) test_a_interface_init,
-           NULL,
-           NULL
-       };
-
-       type = g_type_register_static (G_TYPE_OBJECT, "TestA",
-                                      &type_info, 0);
-       g_type_add_interface_static (type, TEST_TYPE_I, &interface_info);
-    }
-  
-  return type;
+  g_signal_override_class_closure (foo_signal_id,
+                                  TEST_TYPE_A,
+                                  g_cclosure_new (G_CALLBACK (test_a_foo),
+                                                  NULL, NULL));
 }
 
-
+static DEFINE_TYPE_FULL (TestA, test_a,
+                        test_a_class_init, NULL, NULL,
+                        G_TYPE_OBJECT,
+                        INTERFACE (test_a_interface_init, TEST_TYPE_I))
+     
 #define TEST_TYPE_B (test_b_get_type())
-#define TEST_B(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_B, TestB))
-#define TEST_B_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_B, TestBClass))
-#define TEST_IS_B(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_B))
-#define TEST_IS_B_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_B))
-#define TEST_B_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_B, TestBClass))
 
 typedef struct _TestB TestB;
 typedef struct _TestBClass TestBClass;
 
 struct _TestB {
-    TestA parent;
+  TestA parent;
 };
 struct _TestBClass {
-    TestAClass parent_class;
+  TestAClass parent_class;
 };
 
 static void
-test_b_foo (TestA *self)
+test_b_foo (TestI *self)
 {
-    GValue args[1] = { { 0, } };
+  GValue args[1] = { G_VALUE_INIT };
 
-    g_print("TestB::foo called.  Chaining up.\n");
+  record ("TestB::foo");
 
-    g_value_init (&args[0], TEST_TYPE_A);
-    g_value_set_object (&args[0], self);
+  g_value_init (&args[0], TEST_TYPE_A);
+  g_value_set_object (&args[0], self);
 
-    g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+  g_assert (g_signal_get_invocation_hint (self)->signal_id == foo_signal_id);
+  g_signal_chain_from_overridden (args, NULL);
 
-    g_value_unset (&args[0]);
+  g_value_unset (&args[0]);
 }
 
 static void
-test_b_bar (TestI *self)
+test_b_bar (TestA *self)
 {
-    GValue args[1] = { { 0, } };
+  GValue args[1] = { G_VALUE_INIT };
 
-    g_print("TestB::bar called.  Chaining up.\n");
+  record ("TestB::bar");
 
-    g_value_init (&args[0], TEST_TYPE_A);
-    g_value_set_object (&args[0], self);
+  g_value_init (&args[0], TEST_TYPE_A);
+  g_value_set_object (&args[0], self);
 
-    g_signal_chain_from_overridden (args, bar_signal_id, NULL);
+  g_assert (g_signal_get_invocation_hint (self)->signal_id == bar_signal_id);
+  g_signal_chain_from_overridden (args, NULL);
 
-    g_value_unset (&args[0]);
+  g_value_unset (&args[0]);
 }
 
-static void
-test_b_class_init (TestBClass *class)
+static gchar *
+test_b_baz (TestA    *self,
+            GObject  *object,
+            gpointer  pointer)
 {
-    g_signal_override_class_closure (foo_signal_id,
-                                    TEST_TYPE_B,
-                                    g_cclosure_new (G_CALLBACK (test_b_foo),
-                                                    NULL, NULL));
-    g_signal_override_class_closure (bar_signal_id,
-                                    TEST_TYPE_B,
-                                    g_cclosure_new (G_CALLBACK (test_b_bar),
-                                                    NULL, NULL));
+  gchar *retval = NULL;
+
+  record ("TestB::baz");
+
+  g_assert (object == G_OBJECT (self));
+  g_assert (GPOINTER_TO_INT (pointer) == 23);
+
+  g_signal_chain_from_overridden_handler (self, object, pointer, &retval);
+
+  if (retval)
+    {
+      gchar *tmp = g_strconcat (retval , ",TestB::baz", NULL);
+      g_free (retval);
+      retval = tmp;
+    }
+
+  return retval;
 }
 
-static GType
-test_b_get_type (void)
+static void
+test_b_class_init (TestBClass *class)
 {
-    static GType type = 0;
-  
-    if (!type) {
-       static const GTypeInfo type_info = {
-            sizeof(TestBClass),
-            (GBaseInitFunc) NULL,
-            (GBaseFinalizeFunc) NULL,
-            (GClassInitFunc) test_b_class_init,
-            NULL, /* class_finalize */
-            NULL, /* class_data */
-            sizeof(TestBClass),
-            0, /* n_preallocs */
-            (GInstanceInitFunc) NULL,
-       };
-
-       type = g_type_register_static (TEST_TYPE_A, "TestB",
-                                      &type_info, 0);
-    }
-  
-  return type;
+  g_signal_override_class_closure (foo_signal_id,
+                                  TEST_TYPE_B,
+                                  g_cclosure_new (G_CALLBACK (test_b_foo),
+                                                  NULL, NULL));
+  g_signal_override_class_closure (bar_signal_id,
+                                  TEST_TYPE_B,
+                                  g_cclosure_new (G_CALLBACK (test_b_bar),
+                                                  NULL, NULL));
+  g_signal_override_class_handler ("baz",
+                                  TEST_TYPE_B,
+                                  G_CALLBACK (test_b_baz));
 }
 
+static DEFINE_TYPE (TestB, test_b,
+                   test_b_class_init, NULL, NULL,
+                   TEST_TYPE_A)
 
 #define TEST_TYPE_C (test_c_get_type())
-#define TEST_C(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_C, TestC))
-#define TEST_C_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_C, TestCClass))
-#define TEST_IS_C(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_C))
-#define TEST_IS_C_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_C))
-#define TEST_C_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_C, TestCClass))
 
 typedef struct _TestC TestC;
 typedef struct _TestCClass TestCClass;
 
 struct _TestC {
-    TestB parent;
+  TestB parent;
 };
 struct _TestCClass {
-    TestBClass parent_class;
+  TestBClass parent_class;
 };
 
 static void
-test_c_foo (TestA *self)
+test_c_foo (TestI *self)
 {
-    GValue args[1] = { { 0, } };
+  GValue args[1] = { G_VALUE_INIT };
 
-    g_print("TestC::foo called.  Chaining up.\n");
+  record ("TestC::foo");
 
-    g_value_init (&args[0], TEST_TYPE_A);
-    g_value_set_object (&args[0], self);
+  g_value_init (&args[0], TEST_TYPE_A);
+  g_value_set_object (&args[0], self);
 
-    g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+  g_assert (g_signal_get_invocation_hint (self)->signal_id == foo_signal_id);
+  g_signal_chain_from_overridden (args, NULL);
 
-    g_value_unset (&args[0]);
+  g_value_unset (&args[0]);
 }
 
 static void
-test_c_bar (TestI *self)
+test_c_bar (TestA *self)
 {
-    GValue args[1] = { { 0, } };
+  GValue args[1] = { G_VALUE_INIT };
 
-    g_print("TestC::bar called.  Chaining up.\n");
+  record ("TestC::bar");
 
-    g_value_init (&args[0], TEST_TYPE_A);
-    g_value_set_object (&args[0], self);
+  g_value_init (&args[0], TEST_TYPE_A);
+  g_value_set_object (&args[0], self);
 
-    g_signal_chain_from_overridden (args, bar_signal_id, NULL);
+  g_assert (g_signal_get_invocation_hint (self)->signal_id == bar_signal_id);
+  g_signal_chain_from_overridden (args, NULL);
 
-    g_value_unset (&args[0]);
+  g_value_unset (&args[0]);
+}
+
+static gchar *
+test_c_baz (TestA    *self,
+            GObject  *object,
+            gpointer  pointer)
+{
+  gchar *retval = NULL;
+
+  record ("TestC::baz");
+
+  g_assert (object == G_OBJECT (self));
+  g_assert (GPOINTER_TO_INT (pointer) == 23);
+
+  g_signal_chain_from_overridden_handler (self, object, pointer, &retval);
+
+  if (retval)
+    {
+      gchar *tmp = g_strconcat (retval , ",TestC::baz", NULL);
+      g_free (retval);
+      retval = tmp;
+    }
+
+  return retval;
 }
 
 static void
 test_c_class_init (TestBClass *class)
 {
-    g_signal_override_class_closure (foo_signal_id,
-                                    TEST_TYPE_C,
-                                    g_cclosure_new (G_CALLBACK (test_c_foo),
-                                                    NULL, NULL));
-    g_signal_override_class_closure (bar_signal_id,
-                                    TEST_TYPE_C,
-                                    g_cclosure_new (G_CALLBACK (test_c_bar),
-                                                    NULL, NULL));
+  g_signal_override_class_closure (foo_signal_id,
+                                  TEST_TYPE_C,
+                                  g_cclosure_new (G_CALLBACK (test_c_foo),
+                                                  NULL, NULL));
+  g_signal_override_class_closure (bar_signal_id,
+                                  TEST_TYPE_C,
+                                  g_cclosure_new (G_CALLBACK (test_c_bar),
+                                                  NULL, NULL));
+  g_signal_override_class_handler ("baz",
+                                  TEST_TYPE_C,
+                                  G_CALLBACK (test_c_baz));
 }
 
-static GType
-test_c_get_type (void)
+
+static DEFINE_TYPE (TestC, test_c,
+                   test_c_class_init, NULL, NULL,
+                   TEST_TYPE_B)
+
+static GString *test_string = NULL;
+gboolean failed = FALSE;
+     
+static void
+record (const gchar *str)
 {
-    static GType type = 0;
-  
-    if (!type) {
-       static const GTypeInfo type_info = {
-            sizeof(TestCClass),
-            (GBaseInitFunc) NULL,
-            (GBaseFinalizeFunc) NULL,
-            (GClassInitFunc) test_c_class_init,
-            NULL, /* class_finalize */
-            NULL, /* class_data */
-            sizeof(TestCClass),
-            0, /* n_preallocs */
-            (GInstanceInitFunc) NULL,
-       };
-
-       type = g_type_register_static (TEST_TYPE_B, "TestC",
-                                      &type_info, 0);
-    }
-  
-  return type;
+  if (test_string->len)
+    g_string_append_c (test_string, ',');
+  g_string_append (test_string, str);
 }
+     
+static void
+test (GType        type,
+      const gchar *signal,
+      const gchar *expected,
+      const gchar *expected_retval)
+{
+  GObject *self = g_object_new (type, NULL);
 
+  test_string = g_string_new (NULL);
 
-int
-main (int argc, char **argv)
-{
-    GObject *self;
+  if (strcmp (signal, "baz"))
+    {
+      g_signal_emit_by_name (self, signal);
+    }
+  else
+    {
+      gchar *ret;
+
+      g_signal_emit_by_name (self, signal, self, GINT_TO_POINTER (23), &ret);
 
-    g_type_init();
+      if (strcmp (ret, expected_retval) != 0)
+        failed = TRUE;
 
-    self = g_object_new(TEST_TYPE_A, NULL);
-    g_print("*** emiting foo on a TestA instance (expect chain A->I)\n");
-    g_signal_emit(self, foo_signal_id, 0);
-    g_print("*** emiting bar on a TestA instance\n");
-    g_signal_emit(self, bar_signal_id, 0);
-    g_object_unref(self);
+      g_free (ret);
+    }
+
+#ifndef VERBOSE
+  if (strcmp (test_string->str, expected) != 0)
+#endif
+    {
+      g_printerr ("*** emitting %s on a %s instance\n"
+                 "    Expecting: %s\n"
+                 "    Got: %s\n",
+                 signal, g_type_name (type),
+                 expected,
+                 test_string->str);
+      
+      if (strcmp (test_string->str, expected) != 0)
+       failed = TRUE;
+    }
 
-    g_print("\n");
+  g_string_free (test_string, TRUE);
+  g_object_unref (self);
+}
+     
+int
+main (int argc, char **argv)
+{
+  g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
+                         G_LOG_LEVEL_WARNING |
+                         G_LOG_LEVEL_CRITICAL);
 
-    self = g_object_new(TEST_TYPE_B, NULL);
-    g_print("*** emiting foo on a TestB instance (expect chain B->A->I)\n");
-    g_signal_emit(self, foo_signal_id, 0);
-    g_print("*** emiting bar on a TestB instance (expect chain B->A)\n");
-    g_signal_emit(self, bar_signal_id, 0);
-    g_object_unref(self);
+  test (TEST_TYPE_A, "foo", "TestA::foo,TestI::foo", NULL);
+  test (TEST_TYPE_A, "bar", "TestA::bar", NULL);
+  test (TEST_TYPE_A, "baz", "TestA::baz", "TestA::baz");
 
-    g_print("\n");
+  test (TEST_TYPE_B, "foo", "TestB::foo,TestA::foo,TestI::foo", NULL);
+  test (TEST_TYPE_B, "bar", "TestB::bar,TestA::bar", NULL);
+  test (TEST_TYPE_B, "baz", "TestB::baz,TestA::baz", "TestA::baz,TestB::baz");
 
-    self = g_object_new(TEST_TYPE_C, NULL);
-    g_print("*** emiting foo on a TestC instance (expect chain C->B->A->I)\n");
-    g_signal_emit(self, foo_signal_id, 0);
-    g_print("*** emiting bar on a TestC instance (expect chain C->B->A)\n");
-    g_signal_emit(self, bar_signal_id, 0);
-    g_object_unref(self);
+  test (TEST_TYPE_C, "foo", "TestC::foo,TestB::foo,TestA::foo,TestI::foo", NULL);
+  test (TEST_TYPE_C, "bar", "TestC::bar,TestB::bar,TestA::bar", NULL);
+  test (TEST_TYPE_C, "baz", "TestC::baz,TestB::baz,TestA::baz", "TestA::baz,TestB::baz,TestC::baz");
 
-    return 0;
+  return failed ? 1 : 0;
 }