[glib/wip/task: 10/11] gio/tests: port from GSimpleAsyncResult to GTask

[Dan Winship <danw src gnome org>]

commit c3296a9c08db9e1bbfe27ce1632ee532830d1409
Author: Dan Winship <danw gnome org>
Date:   Thu Aug 2 15:45:24 2012 -0400

    gio/tests: port from GSimpleAsyncResult to GTask
    
    https://bugzilla.gnome.org/show_bug.cgi?id=661767

 gio/tests/cancellable.c            |   75 ++++++++++++++++++-----------------
 gio/tests/gtlsconsoleinteraction.c |   41 ++++++++++---------
 gio/tests/proxy-test.c             |   69 ++++++++++++---------------------
 gio/tests/tls-interaction.c        |   30 ++++++--------
 4 files changed, 99 insertions(+), 116 deletions(-)
---
diff --git a/gio/tests/cancellable.c b/gio/tests/cancellable.c
index e4fd098..fcb9e25 100644
--- a/gio/tests/cancellable.c
+++ b/gio/tests/cancellable.c
@@ -33,31 +33,27 @@ typedef struct
 {
   guint iterations_requested;
   guint iterations_done;
-  GCancellable *cancellable;
 } MockOperationData;
 
 static void
 mock_operation_free (gpointer user_data)
 {
   MockOperationData *data = user_data;
-  g_object_unref (data->cancellable);
   g_free (data);
 }
 
 static void
-mock_operation_thread (GSimpleAsyncResult *simple,
-                       GObject            *object,
-                       GCancellable       *cancellable)
+mock_operation_thread (GTask        *task,
+                       gpointer      source_object,
+                       gpointer      task_data,
+                       GCancellable *cancellable)
 {
-  MockOperationData *data;
+  MockOperationData *data = task_data;
   guint i;
 
-  data = g_simple_async_result_get_op_res_gpointer (simple);
-  g_assert (data->cancellable == cancellable);
-
   for (i = 0; i < data->iterations_requested; i++)
     {
-      if (g_cancellable_is_cancelled (data->cancellable))
+      if (g_cancellable_is_cancelled (cancellable))
         break;
       if (g_test_verbose ())
         g_printerr ("THRD: %u iteration %u\n", data->iterations_requested, i);
@@ -67,35 +63,36 @@ mock_operation_thread (GSimpleAsyncResult *simple,
   if (g_test_verbose ())
     g_printerr ("THRD: %u stopped at %u\n", data->iterations_requested, i);
   data->iterations_done = i;
+
+  g_task_return_boolean (task, TRUE);
 }
 
 static gboolean
 mock_operation_timeout (gpointer user_data)
 {
-  GSimpleAsyncResult *simple;
+  GTask *task;
   MockOperationData *data;
-  GError *error = NULL;
   gboolean done = FALSE;
 
-  simple = G_SIMPLE_ASYNC_RESULT (user_data);
-  data = g_simple_async_result_get_op_res_gpointer (simple);
+  task = G_TASK (user_data);
+  data = g_task_get_task_data (task);
 
   if (data->iterations_done >= data->iterations_requested)
       done = TRUE;
 
-  if (g_cancellable_set_error_if_cancelled (data->cancellable, &error)) {
-      g_simple_async_result_take_error (simple, error);
+  if (g_cancellable_is_cancelled (g_task_get_cancellable (task)))
       done = TRUE;
-  }
 
-  if (done) {
+  if (done)
+    {
       if (g_test_verbose ())
         g_printerr ("LOOP: %u stopped at %u\n", data->iterations_requested,\
                     data->iterations_done);
-      g_simple_async_result_complete (simple);
+      g_task_return_boolean (task, TRUE);
       return FALSE; /* don't call timeout again */
-
-  } else {
+    }
+  else
+    {
       data->iterations_done++;
       if (g_test_verbose ())
         g_printerr ("LOOP: %u iteration %u\n", data->iterations_requested,
@@ -111,29 +108,29 @@ mock_operation_async (guint                wait_iterations,
                       GAsyncReadyCallback  callback,
                       gpointer             user_data)
 {
-  GSimpleAsyncResult *simple;
+  GTask *task;
   MockOperationData *data;
 
-  simple = g_simple_async_result_new (NULL, callback, user_data,
-                                      mock_operation_async);
+  task = g_task_new (NULL, cancellable, callback, user_data);
   data = g_new0 (MockOperationData, 1);
   data->iterations_requested = wait_iterations;
-  data->cancellable = g_object_ref (cancellable);
-  g_simple_async_result_set_op_res_gpointer (simple, data, mock_operation_free);
+  g_task_set_task_data (task, data, mock_operation_free);
 
-  if (run_in_thread) {
-      g_simple_async_result_run_in_thread (simple, mock_operation_thread,
-                                           G_PRIORITY_DEFAULT, cancellable);
+  if (run_in_thread)
+    {
+      g_task_run_in_thread (task, mock_operation_thread);
       if (g_test_verbose ())
         g_printerr ("THRD: %d started\n", wait_iterations);
-  } else {
+    }
+  else
+    {
       g_timeout_add_full (G_PRIORITY_DEFAULT, WAIT_ITERATION, mock_operation_timeout,
-                          g_object_ref (simple), g_object_unref);
+                          g_object_ref (task), g_object_unref);
       if (g_test_verbose ())
         g_printerr ("LOOP: %d started\n", wait_iterations);
-  }
+    }
 
-  g_object_unref (simple);
+  g_object_unref (task);
 }
 
 static guint
@@ -141,11 +138,17 @@ mock_operation_finish (GAsyncResult  *result,
                        GError       **error)
 {
   MockOperationData *data;
+  GTask *task;
+
+  g_assert (g_task_is_valid (result, NULL));
 
-  g_assert (g_simple_async_result_is_valid (result, NULL, mock_operation_async));
-  g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error);
+  /* This test expects the return value to be iterations_done even
+   * when an error is set.
+   */
+  task = G_TASK (result);
+  data = g_task_get_task_data (task);
 
-  data = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (result));
+  g_task_propagate_boolean (task, error);
   return data->iterations_done;
 }
 
diff --git a/gio/tests/gtlsconsoleinteraction.c b/gio/tests/gtlsconsoleinteraction.c
index 0fc5a34..89197dd 100644
--- a/gio/tests/gtlsconsoleinteraction.c
+++ b/gio/tests/gtlsconsoleinteraction.c
@@ -86,18 +86,20 @@ g_tls_console_interaction_ask_password (GTlsInteraction    *interaction,
 }
 
 static void
-ask_password_with_getpass (GSimpleAsyncResult    *res,
-                           GObject               *object,
-                           GCancellable          *cancellable)
+ask_password_with_getpass (GTask        *task,
+			   gpointer      object,
+			   gpointer      task_data,
+                           GCancellable *cancellable)
 {
-  GTlsPassword *password;
+  GTlsPassword *password = task_data;
   GError *error = NULL;
 
-  password = g_simple_async_result_get_op_res_gpointer (res);
   g_tls_console_interaction_ask_password (G_TLS_INTERACTION (object), password,
                                           cancellable, &error);
   if (error != NULL)
-    g_simple_async_result_take_error (res, error);
+    g_task_return_error (task, error);
+  else
+    g_task_return_int (task, G_TLS_INTERACTION_HANDLED);
 }
 
 static void
@@ -107,14 +109,12 @@ g_tls_console_interaction_ask_password_async (GTlsInteraction    *interaction,
                                               GAsyncReadyCallback callback,
                                               gpointer            user_data)
 {
-  GSimpleAsyncResult *res;
-
-  res = g_simple_async_result_new (G_OBJECT (interaction), callback, user_data,
-                                   g_tls_console_interaction_ask_password);
-  g_simple_async_result_set_op_res_gpointer (res, g_object_ref (password), g_object_unref);
-  g_simple_async_result_run_in_thread (res, ask_password_with_getpass,
-                                       G_PRIORITY_DEFAULT, cancellable);
-  g_object_unref (res);
+  GTask *task;
+
+  task = g_task_new (interaction, cancellable, callback, user_data);
+  g_task_set_task_data (task, g_object_ref (password), g_object_unref);
+  g_task_run_in_thread (task, ask_password_with_getpass);
+  g_object_unref (task);
 }
 
 static GTlsInteractionResult
@@ -122,13 +122,16 @@ g_tls_console_interaction_ask_password_finish (GTlsInteraction    *interaction,
                                                GAsyncResult       *result,
                                                GError            **error)
 {
-  g_return_val_if_fail (g_simple_async_result_is_valid (result, G_OBJECT (interaction),
-                        g_tls_console_interaction_ask_password), G_TLS_INTERACTION_FAILED);
+  GTlsInteractionResult ret;
 
-  if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error))
-    return G_TLS_INTERACTION_FAILED;
+  g_return_val_if_fail (g_task_is_valid (result, interaction),
+			G_TLS_INTERACTION_FAILED);
 
-  return G_TLS_INTERACTION_HANDLED;
+  ret = g_task_propagate_int (G_TASK (result), error);
+  if (ret == (GTlsInteractionResult)-1)
+    return G_TLS_INTERACTION_FAILED;
+  else
+    return ret;
 }
 
 static void
diff --git a/gio/tests/proxy-test.c b/gio/tests/proxy-test.c
index 24c27e0..d469582 100644
--- a/gio/tests/proxy-test.c
+++ b/gio/tests/proxy-test.c
@@ -159,22 +159,18 @@ g_test_proxy_resolver_lookup_async (GProxyResolver      *resolver,
 				    gpointer             user_data)
 {
   GError *error = NULL;
-  GSimpleAsyncResult *simple;
+  GTask *task;
   gchar **proxies;
 
   proxies = g_test_proxy_resolver_lookup (resolver, uri, cancellable, &error);
 
-  simple = g_simple_async_result_new (G_OBJECT (resolver),
-				      callback, user_data,
-				      g_test_proxy_resolver_lookup_async);
-
+  task = g_task_new (resolver, NULL, callback, user_data);
   if (proxies == NULL)
-    g_simple_async_result_take_error (simple, error);
+    g_task_return_error (task, error);
   else
-    g_simple_async_result_set_op_res_gpointer (simple, proxies, (GDestroyNotify) g_strfreev);
+    g_task_return_pointer (task, proxies, (GDestroyNotify) g_strfreev);
 
-  g_simple_async_result_complete_in_idle (simple);
-  g_object_unref (simple);
+  g_object_unref (task);
 }
 
 static gchar **
@@ -182,19 +178,7 @@ g_test_proxy_resolver_lookup_finish (GProxyResolver     *resolver,
 				     GAsyncResult       *result,
 				     GError            **error)
 {
-  if (G_IS_SIMPLE_ASYNC_RESULT (result))
-    {
-      GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
-      gchar **proxies;
-
-      if (g_simple_async_result_propagate_error (simple, error))
-        return NULL;
-
-      proxies = g_simple_async_result_get_op_res_gpointer (simple);
-      return g_strdupv (proxies);
-    }
-
-  return NULL;
+  return g_task_propagate_pointer (G_TASK (result), error);
 }
 
 static void
@@ -292,24 +276,18 @@ g_proxy_base_connect_async (GProxy               *proxy,
 			    gpointer              user_data)
 {
   GError *error = NULL;
-  GSimpleAsyncResult *simple;
+  GTask *task;
   GIOStream *proxy_io_stream;
 
-  simple = g_simple_async_result_new (G_OBJECT (proxy),
-				      callback, user_data,
-				      g_proxy_base_connect_async);
+  task = g_task_new (proxy, NULL, callback, user_data);
 
   proxy_io_stream = g_proxy_connect (proxy, io_stream, proxy_address,
 				     cancellable, &error);
   if (proxy_io_stream)
-    {
-      g_simple_async_result_set_op_res_gpointer (simple, proxy_io_stream,
-						 g_object_unref);
-    }
+    g_task_return_pointer (task, proxy_io_stream, g_object_unref);
   else
-    g_simple_async_result_take_error (simple, error);
-  g_simple_async_result_complete_in_idle (simple);
-  g_object_unref (simple);
+    g_task_return_error (task, error);
+  g_object_unref (task);
 }
 
 static GIOStream *
@@ -317,12 +295,7 @@ g_proxy_base_connect_finish (GProxy        *proxy,
 			     GAsyncResult  *result,
 			     GError       **error)
 {
-  GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
-
-  if (g_simple_async_result_propagate_error (simple, error))
-    return NULL;
-
-  return g_object_ref (g_simple_async_result_get_op_res_gpointer (simple));
+  return g_task_propagate_pointer (G_TASK (result), error);
 }
 
 static void
@@ -712,11 +685,18 @@ g_fake_resolver_lookup_by_name_async (GResolver           *resolver,
 				      GAsyncReadyCallback  callback,
 				      gpointer             user_data)
 {
-  g_simple_async_report_error_in_idle (G_OBJECT (resolver),
-				       callback, user_data,
-				       G_RESOLVER_ERROR,
-				       G_RESOLVER_ERROR_NOT_FOUND,
-				       "Not found");
+  g_task_report_new_error (resolver, callback, user_data,
+			   g_fake_resolver_lookup_by_name_async,
+			   G_RESOLVER_ERROR, G_RESOLVER_ERROR_NOT_FOUND,
+			   "Not found");
+}
+
+static GList *
+g_fake_resolver_lookup_by_name_finish (GResolver            *resolver,
+				       GAsyncResult         *result,
+				       GError              **error)
+{
+  return g_task_propagate_pointer (G_TASK (result), error);
 }
 
 static void
@@ -726,6 +706,7 @@ g_fake_resolver_class_init (GFakeResolverClass *fake_class)
 
   resolver_class->lookup_by_name        = g_fake_resolver_lookup_by_name;
   resolver_class->lookup_by_name_async  = g_fake_resolver_lookup_by_name_async;
+  resolver_class->lookup_by_name_finish = g_fake_resolver_lookup_by_name_finish;
 }
 
 
diff --git a/gio/tests/tls-interaction.c b/gio/tests/tls-interaction.c
index 0c56814..3498d0c 100644
--- a/gio/tests/tls-interaction.c
+++ b/gio/tests/tls-interaction.c
@@ -82,7 +82,7 @@ test_interaction_ask_password_async_success (GTlsInteraction    *interaction,
                                              GAsyncReadyCallback callback,
                                              gpointer            user_data)
 {
-  GSimpleAsyncResult *res;
+  GTask *task;
   TestInteraction *self;
 
   g_assert (TEST_IS_INTERACTION (interaction));
@@ -93,13 +93,12 @@ test_interaction_ask_password_async_success (GTlsInteraction    *interaction,
   g_assert (G_IS_TLS_PASSWORD (password));
   g_assert (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
 
-  res = g_simple_async_result_new (G_OBJECT (self), callback, user_data,
-                                   test_interaction_ask_password_async_success);
+  task = g_task_new (self, cancellable, callback, user_data);
 
   /* Don't do this in real life. Include a null terminator for testing */
   g_tls_password_set_value (password, (const guchar *)"the password", 13);
-  g_simple_async_result_complete_in_idle (res);
-  g_object_unref (res);
+  g_task_return_int (task, G_TLS_INTERACTION_HANDLED);
+  g_object_unref (task);
 }
 
 
@@ -115,12 +114,11 @@ test_interaction_ask_password_finish_success (GTlsInteraction    *interaction,
 
   g_assert (g_thread_self () == self->test->interaction_thread);
 
-  g_assert (g_simple_async_result_is_valid (result, G_OBJECT (interaction),
-                                            test_interaction_ask_password_async_success));
+  g_assert (g_task_is_valid (result, interaction));
   g_assert (error != NULL);
   g_assert (*error == NULL);
 
-  return G_TLS_INTERACTION_HANDLED;
+  return g_task_propagate_int (G_TASK (result), error);
 }
 
 static void
@@ -130,7 +128,7 @@ test_interaction_ask_password_async_failure (GTlsInteraction    *interaction,
                                              GAsyncReadyCallback callback,
                                              gpointer            user_data)
 {
-  GSimpleAsyncResult *res;
+  GTask *task;
   TestInteraction *self;
 
   g_assert (TEST_IS_INTERACTION (interaction));
@@ -141,12 +139,10 @@ test_interaction_ask_password_async_failure (GTlsInteraction    *interaction,
   g_assert (G_IS_TLS_PASSWORD (password));
   g_assert (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
 
-  res = g_simple_async_result_new (G_OBJECT (self), callback, user_data,
-                                   test_interaction_ask_password_async_failure);
+  task = g_task_new (self, cancellable, callback, user_data);
 
-  g_simple_async_result_set_error (res, G_FILE_ERROR, G_FILE_ERROR_ACCES, "The message");
-  g_simple_async_result_complete_in_idle (res);
-  g_object_unref (res);
+  g_task_return_new_error (task, G_FILE_ERROR, G_FILE_ERROR_ACCES, "The message");
+  g_object_unref (task);
 }
 
 static GTlsInteractionResult
@@ -161,13 +157,13 @@ test_interaction_ask_password_finish_failure (GTlsInteraction    *interaction,
 
   g_assert (g_thread_self () == self->test->interaction_thread);
 
-  g_assert (g_simple_async_result_is_valid (result, G_OBJECT (interaction),
-                                            test_interaction_ask_password_async_failure));
+  g_assert (g_task_is_valid (result, interaction));
   g_assert (error != NULL);
   g_assert (*error == NULL);
 
-  if (!g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error))
+  if (g_task_propagate_int (G_TASK (result), error) != -1)
     g_assert_not_reached ();
+
   return G_TLS_INTERACTION_FAILED;
 }