[gtk/matthiasc/for-master] testsuite: Improve coverage for GtkBoolFilter

[Matthias Clasen <matthiasc src gnome org>]

commit d35a21873e0e4fc37ea877857eb99c1af96b6923
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Oct 30 18:17:50 2020 -0400

    testsuite: Improve coverage for GtkBoolFilter

 testsuite/gtk/filter.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/testsuite/gtk/filter.c b/testsuite/gtk/filter.c
index b16c5c4321..0370c6b5e0 100644
--- a/testsuite/gtk/filter.c
+++ b/testsuite/gtk/filter.c
@@ -326,9 +326,11 @@ test_bool_simple (void)
   assert_model (model, "3 6 9 12 15 18");
 
   gtk_bool_filter_set_invert (GTK_BOOL_FILTER (filter), TRUE);
+  g_assert_true (gtk_bool_filter_get_invert (GTK_BOOL_FILTER (filter)));
   assert_model (model, "1 2 4 5 7 8 10 11 13 14 16 17 19 20");
 
   gtk_bool_filter_set_invert (GTK_BOOL_FILTER (filter), FALSE);
+  g_assert_false (gtk_bool_filter_get_invert (GTK_BOOL_FILTER (filter)));
   assert_model (model, "3 6 9 12 15 18");
 
   expr = gtk_cclosure_expression_new (G_TYPE_BOOLEAN,
@@ -337,6 +339,7 @@ test_bool_simple (void)
                                       G_CALLBACK (divisible_by),
                                       GUINT_TO_POINTER (5), NULL);
   gtk_bool_filter_set_expression (GTK_BOOL_FILTER (filter), expr);
+  g_assert_true (expr == gtk_bool_filter_get_expression (GTK_BOOL_FILTER (filter)));
   gtk_expression_unref (expr);
   assert_model (model, "5 10 15 20");