Fix css parser tests

Parsing a shorthand background property was running into unexpected
errors when trying position values where there were none. To fix this,
introduce a try_parse variant of the position parse function that
silently returns NULL.

1 files changed, 1 insertions, 1 deletions

diff --git a/gtk/gtkcssshorthandpropertyimpl.c b/gtk/gtkcssshorthandpropertyimpl.c
index 7dd3e3d1f2..0e9524d2ea 100644
--- a/gtk/gtkcssshorthandpropertyimpl.c
+++ b/gtk/gtkcssshorthandpropertyimpl.c
@@ -484,7 +484,7 @@ parse_one_background (GtkCssShorthandProperty  *shorthand,
           values[0] = _gtk_css_image_value_new (image);
         }
       else if (values[1] == NULL &&
-               (value = _gtk_css_position_value_parse (parser)))
+               (value = _gtk_css_position_value_try_parse (parser)))
         {
           values[1] = value;
           value = NULL;