Add two tests of cairo_surface_finish to test/nil-surface.c

This tests calling cairo_surface_finish with either NULL or
with a nil surface, (either currently causes a crash).

1 files changed, 11 insertions, 0 deletions

diff --git a/test/nil-surface.c b/test/nil-surface.c
index 80cb290cd..3ae7126a1 100644
--- a/test/nil-surface.c
+++ b/test/nil-surface.c
@@ -102,6 +102,17 @@ draw (cairo_t *cr, int width, int height)
 
     cairo_destroy (cr2);
 
+    /*
+     * 3. Test that cairo_surface_finish can accept NULL or a nil
+     *    surface without crashing.
+     */
+
+    cairo_surface_finish (NULL);
+
+    surface = cairo_image_surface_create_from_png ("___THIS_FILE_DOES_NOT_EXIST___");
+    cairo_surface_finish (surface);
+    cairo_surface_destroy (surface);
+
     return CAIRO_TEST_SUCCESS;
 }