[gdk-pixbuf] tests: Add more pixdata tests

[Bastien Nocera <hadess src gnome org>]

commit a8291060fb5b22504be63faeabaf27722e70c785
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Dec 16 16:05:03 2016 +0100

    tests: Add more pixdata tests
    
    Those ones should succeed, and we test both uncompressed and
    RLE-compressed data.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=775693

 tests/Makefile.am            |    1 +
 tests/pixbuf-pixdata.c       |   42 ++++++++++++++++++++++++++++++++++++++++++
 tests/test-image-rle.pixdata |  Bin 0 -> 8406 bytes
 3 files changed, 43 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 34d12f0..ca91ed1 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -62,6 +62,7 @@ dist_installed_test_data =            \
        large.jpg                       \
        bug775218.jpg                   \
        test-image.pixdata              \
+       test-image-rle.pixdata          \
        bug775693.pixdata               \
        $(wildcard $(srcdir)/test-images/fail/*) \
        $(wildcard $(srcdir)/test-images/randomly-modified/*) \
diff --git a/tests/pixbuf-pixdata.c b/tests/pixbuf-pixdata.c
index 8746440..558e581 100644
--- a/tests/pixbuf-pixdata.c
+++ b/tests/pixbuf-pixdata.c
@@ -53,6 +53,47 @@ test_pixdata_deserialize (gconstpointer data)
 
   g_clear_object (&pixbuf);
 }
+
+static void
+test_pixdata_success (void)
+{
+  const gchar *path;
+  GdkPixbuf *pixbuf;
+  GdkPixdata pixdata1, pixdata2;
+  GError *error = NULL;
+  GdkPixbuf *ref;
+  gchar *contents;
+  gsize size;
+
+  path = g_test_get_filename (G_TEST_DIST, "test-image.png", NULL);
+  ref = gdk_pixbuf_new_from_file (path, &error);
+  g_assert_no_error (error);
+
+  g_file_get_contents (g_test_get_filename (G_TEST_DIST, "test-image.pixdata", NULL), &contents, &size, 
&error);
+  g_assert_no_error (error);
+  gdk_pixdata_deserialize (&pixdata1, size, (const guint8 *) contents, &error);
+  g_assert_no_error (error);
+  pixbuf = gdk_pixbuf_from_pixdata (&pixdata1, FALSE, &error);
+  g_assert_no_error (error);
+
+  pixdata_equal (ref, pixbuf, &error);
+  g_assert_no_error (error);
+  g_free (contents);
+  g_object_unref (pixbuf);
+
+  g_file_get_contents (g_test_get_filename (G_TEST_DIST, "test-image-rle.pixdata", NULL), &contents, &size, 
&error);
+  g_assert_no_error (error);
+  gdk_pixdata_deserialize (&pixdata2, size, (const guint8 *) contents, &error);
+  g_assert_no_error (error);
+  pixbuf = gdk_pixbuf_from_pixdata (&pixdata2, FALSE, &error);
+  g_assert_no_error (error);
+
+  pixdata_equal (ref, pixbuf, &error);
+  g_assert_no_error (error);
+  g_free (contents);
+  g_object_unref (pixbuf);
+  g_object_unref (ref);
+}
 G_GNUC_END_IGNORE_DEPRECATIONS
 
 static void
@@ -79,6 +120,7 @@ main (int argc, char **argv)
   g_test_init (&argc, &argv, NULL);
 
   g_test_add_func ("/pixbuf/pixdata", test_pixdata);
+  g_test_add_func ("/pixbuf/pixdata/success", test_pixdata_success);
   g_test_add_data_func ("/pixbuf/pixdata/bug775693", "bug775693.pixdata", test_pixdata_deserialize);
 
   return g_test_run ();
diff --git a/tests/test-image-rle.pixdata b/tests/test-image-rle.pixdata
new file mode 100644
index 0000000..fd93780
Binary files /dev/null and b/tests/test-image-rle.pixdata differ