[gtk+/wip/clipboard: 4/4] Add some tests for the new clipboard API

[Matthias Clasen <matthiasc src gnome org>]

commit 23d7d0102b425de2e75eba5e29b79adc77e4c7be
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 28 23:57:38 2014 -0400

    Add some tests for the new clipboard API
    
    This adds basic tests exercising the GdkClipboard API with
    the fallback implementation.

 testsuite/gdk/Makefile.am |    1 +
 testsuite/gdk/clipboard.c |  295 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 296 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/gdk/Makefile.am b/testsuite/gdk/Makefile.am
index 0f5f960..e6ca808 100644
--- a/testsuite/gdk/Makefile.am
+++ b/testsuite/gdk/Makefile.am
@@ -22,6 +22,7 @@ TEST_PROGS +=                                 \
        encoding                        \
        display                         \
        keysyms                         \
+       clipboard                       \
        $(NULL)
 
 CLEANFILES =                   \
diff --git a/testsuite/gdk/clipboard.c b/testsuite/gdk/clipboard.c
new file mode 100644
index 0000000..927a559
--- /dev/null
+++ b/testsuite/gdk/clipboard.c
@@ -0,0 +1,295 @@
+#include <stdlib.h>
+
+#include <gdk/gdk.h>
+
+static void
+count_changed (GdkClipboard *clipboard, gpointer data)
+{
+  gint *count = data;
+
+  *count += 1;
+}
+
+typedef struct {
+  gboolean called;
+  gchar *text;
+  GdkPixbuf *pixbuf;
+  GBytes *bytes;
+  GError *error;
+  GMainLoop *loop;
+} GetData;
+
+static void
+get_text (GObject *source, GAsyncResult *res, gpointer data)
+{
+  GetData *gd = data;
+
+  gd->text = gdk_clipboard_get_text_finish (GDK_CLIPBOARD (source), res, &gd->error);
+  gd->called = TRUE;
+}
+
+static void
+get_image (GObject *source, GAsyncResult *res, gpointer data)
+{
+  GetData *gd = data;
+
+  gd->pixbuf = gdk_clipboard_get_image_finish (GDK_CLIPBOARD (source), res, &gd->error);
+  gd->called = TRUE;
+}
+
+static void
+get_bytes (GObject *source, GAsyncResult *res, gpointer data)
+{
+  GetData *gd = data;
+
+  gd->bytes = gdk_clipboard_get_bytes_finish (GDK_CLIPBOARD (source), res, &gd->error);
+  gd->called = TRUE;
+}
+
+static gboolean
+wait_get (gpointer data)
+{
+  GetData *gd = data;
+
+  if (gd->called)
+    {
+      g_main_loop_quit (gd->loop);
+      return G_SOURCE_REMOVE;
+    }
+
+  return G_SOURCE_CONTINUE;
+}
+
+static void
+test_clipboard_text (void)
+{
+  GdkClipboard *clipboard;
+  const gchar **content_types;
+  gint count;
+  GetData *gd;
+
+  count = 0;
+
+  clipboard = gdk_clipboard_fallback_new ();
+  g_signal_connect (clipboard, "changed", G_CALLBACK (count_changed), &count);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+
+  content_types = gdk_clipboard_get_content_types (clipboard);
+  g_assert (content_types == NULL);
+
+  gdk_clipboard_set_text (clipboard, "ABC");
+  
+  g_assert (gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+  g_assert_cmpint (count, ==, 1);
+
+  gd = g_new0 (GetData, 1);
+  gdk_clipboard_get_text_async (clipboard, NULL, get_text, gd);
+
+  gd->loop = g_main_loop_new (NULL, FALSE);
+  g_idle_add (wait_get, gd);
+  g_main_loop_run (gd->loop);
+
+  g_assert_cmpstr (gd->text, ==, "ABC");
+  g_assert_no_error (gd->error);
+
+  g_free (gd->text);
+  g_main_loop_unref (gd->loop);
+  g_free (gd);
+
+  gdk_clipboard_clear (clipboard);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+  g_assert_cmpint (count, ==, 2);
+ 
+  g_object_unref (clipboard);
+}
+
+static void
+test_clipboard_image (void)
+{
+  GdkClipboard *clipboard;
+  const gchar **content_types;
+  gint count;
+  GdkPixbuf *pixbuf;
+  GetData *gd;
+
+  count = 0;
+
+  clipboard = gdk_clipboard_fallback_new ();
+  g_signal_connect (clipboard, "changed", G_CALLBACK (count_changed), &count);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+
+  content_types = gdk_clipboard_get_content_types (clipboard);
+  g_assert (content_types == NULL);
+
+  pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 16, 16);
+  gdk_clipboard_set_image (clipboard, pixbuf);
+  
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+  g_assert_cmpint (count, ==, 1);
+
+  g_assert_cmpint (G_OBJECT (pixbuf)->ref_count, >=, 2);
+
+  gd = g_new0 (GetData, 1);
+  gdk_clipboard_get_image_async (clipboard, NULL, get_image, gd);
+
+  gd->loop = g_main_loop_new (NULL, FALSE);
+  g_idle_add (wait_get, gd);
+  g_main_loop_run (gd->loop);
+
+  g_assert (gd->pixbuf == pixbuf);
+  g_assert_no_error (gd->error);
+
+  g_assert_cmpint (G_OBJECT (pixbuf)->ref_count, >=, 3);
+
+  g_object_unref (gd->pixbuf);
+
+  g_main_loop_unref (gd->loop);
+  g_free (gd);
+
+  gdk_clipboard_clear (clipboard);
+
+  g_assert_cmpint (G_OBJECT (pixbuf)->ref_count, ==, 1);
+  g_object_unref (pixbuf);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+  g_assert_cmpint (count, ==, 2);
+ 
+  g_object_unref (clipboard);
+}
+
+static void
+test_clipboard_bytes (void)
+{
+  GdkClipboard *clipboard;
+  const gchar **content_types;
+  gint count;
+  GBytes *bytes;
+  GetData *gd;
+
+  count = 0;
+
+  clipboard = gdk_clipboard_fallback_new ();
+  g_signal_connect (clipboard, "changed", G_CALLBACK (count_changed), &count);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+
+  content_types = gdk_clipboard_get_content_types (clipboard);
+  g_assert (content_types == NULL);
+
+  bytes = g_bytes_new_static ("012346789", 10);
+  gdk_clipboard_set_bytes (clipboard, bytes, "application/octet-stream");
+  
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+  g_assert_cmpint (count, ==, 1);
+
+  gd = g_new0 (GetData, 1);
+  gdk_clipboard_get_bytes_async (clipboard, "application/octet-stream", NULL, get_bytes, gd);
+
+  gd->loop = g_main_loop_new (NULL, FALSE);
+  g_idle_add (wait_get, gd);
+  g_main_loop_run (gd->loop);
+
+  g_assert (g_bytes_equal (gd->bytes, bytes));
+  g_assert_no_error (gd->error);
+
+  g_bytes_unref (gd->bytes);
+
+  g_main_loop_unref (gd->loop);
+  g_free (gd);
+
+  gdk_clipboard_clear (clipboard);
+
+  g_bytes_unref (bytes);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+  g_assert_cmpint (count, ==, 2);
+ 
+  g_object_unref (clipboard);
+}
+
+static gboolean freed;
+
+static void
+free_data (gpointer data)
+{
+  freed = TRUE;
+  g_free (data);
+}
+
+static void
+provider (GdkClipboard  *clipboard,
+          const gchar   *content_type,
+          GOutputStream *output,
+          gpointer       user_data)
+{
+}
+
+static void
+test_clipboard_data (void)
+{
+  GdkClipboard *clipboard;
+  gint count;
+  const gchar *content_types[3] = {
+    "application/octet-stream",
+    "application/pdf",
+    NULL
+  };
+
+  count = 0;
+
+  clipboard = gdk_clipboard_fallback_new ();
+  g_signal_connect (clipboard, "changed", G_CALLBACK (count_changed), &count);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (!gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+
+  gdk_clipboard_set_data (clipboard, content_types,
+                          provider, g_strdup ("0123456789"), free_data);
+
+  g_assert (!gdk_clipboard_text_available (clipboard));
+  g_assert (!gdk_clipboard_image_available (clipboard));
+  g_assert (gdk_clipboard_data_available (clipboard, "application/octet-stream"));
+  g_assert (gdk_clipboard_data_available (clipboard, "application/pdf"));
+  g_assert (!gdk_clipboard_data_available (clipboard, "yellow submarine"));
+  g_assert_cmpint (count, ==, 1);
+
+  g_object_unref (clipboard);
+
+  g_assert (freed);
+}
+
+int
+main (int argc, char *argv[])
+{
+  g_test_init (&argc, &argv, NULL);
+  gdk_init (NULL, NULL);
+
+  g_test_add_func ("/clipboard/text", test_clipboard_text);
+  g_test_add_func ("/clipboard/image", test_clipboard_image);
+  g_test_add_func ("/clipboard/bytes", test_clipboard_bytes);
+  g_test_add_func ("/clipboard/data", test_clipboard_data);
+
+  return g_test_run ();
+}