[gdk-pixbuf] tests: Add test for bug 775693

[Bastien Nocera <hadess src gnome org>]

commit 3724a739bb538af08260cad21ad9e70ae3bf4b1e
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Dec 13 14:40:07 2016 +0100

    tests: Add test for bug 775693
    
    https://bugzilla.gnome.org/show_bug.cgi?id=775693

 tests/Makefile.am       |    1 +
 tests/bug775693.pixdata |  Bin 0 -> 1317 bytes
 tests/pixbuf-pixdata.c  |   28 ++++++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index f008273..34d12f0 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -62,6 +62,7 @@ dist_installed_test_data =            \
        large.jpg                       \
        bug775218.jpg                   \
        test-image.pixdata              \
+       bug775693.pixdata               \
        $(wildcard $(srcdir)/test-images/fail/*) \
        $(wildcard $(srcdir)/test-images/randomly-modified/*) \
        $(wildcard $(srcdir)/test-images/reftests/*.*) \
diff --git a/tests/bug775693.pixdata b/tests/bug775693.pixdata
new file mode 100644
index 0000000..784103c
Binary files /dev/null and b/tests/bug775693.pixdata differ
diff --git a/tests/pixbuf-pixdata.c b/tests/pixbuf-pixdata.c
index 4cb7d1c..0493fc5 100644
--- a/tests/pixbuf-pixdata.c
+++ b/tests/pixbuf-pixdata.c
@@ -21,9 +21,36 @@
 
 #include "config.h"
 #include "gdk-pixbuf/gdk-pixbuf.h"
+#include "gdk-pixbuf/gdk-pixdata.h"
 #include "test-common.h"
 #include <string.h>
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+static void
+test_pixdata_deserialize (gconstpointer data)
+{
+  const gchar *filename = data;
+  GdkPixbuf *pixbuf;
+  GdkPixdata pixdata;
+  GError *error = NULL;
+  gchar *contents;
+  gsize size;
+
+  g_file_get_contents (g_test_get_filename (G_TEST_DIST, filename, NULL), &contents, &size, &error);
+  g_assert_no_error (error);
+
+  gdk_pixdata_deserialize (&pixdata, size, (const guint8 *) contents, &error);
+  g_assert_no_error (error);
+  g_free (contents);
+
+  pixbuf = gdk_pixbuf_from_pixdata (&pixdata, TRUE, &error);
+  g_assert_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE);
+  g_clear_error (&error);
+
+  g_clear_object (&pixbuf);
+}
+G_GNUC_END_IGNORE_DEPRECATIONS
+
 static void
 test_pixdata (void)
 {
@@ -48,6 +75,7 @@ main (int argc, char **argv)
   g_test_init (&argc, &argv, NULL);
 
   g_test_add_func ("/pixbuf/pixdata", test_pixdata);
+  g_test_add_data_func ("/pixbuf/pixdata/bug775693", "bug775693.pixdata", test_pixdata_deserialize);
 
   return g_test_run ();
 }