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testsuite: Add test case for previous commit

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This previously led to a loop in the child widgets.
This commit is contained in:
Timm Bäder 2017-09-29 12:16:06 +02:00
parent a196ad725a
commit c8c39af454
1 changed files with 42 additions and 1 deletions
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43
testsuite/gtk/widgetorder.c
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@ -504,6 +504,47 @@ same_before (void)
g_assert (gtk_widget_get_last_child (p) == l2);
}
static void
no_loop (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l2, p);
gtk_widget_set_parent (l3, p);
/* l1 -> l2 -> l3 */
gtk_widget_insert_after (l1, p, l3);
/* Now: l2 -> l3 -> l1 */
g_assert (gtk_widget_get_prev_sibling (l2) == NULL);
g_assert (gtk_widget_get_next_sibling (l2) == l3);
g_assert (gtk_widget_get_next_sibling (l3) == l1);
g_assert (gtk_widget_get_next_sibling (l1) == NULL);
g_assert (gtk_widget_get_prev_sibling (l1) == l3);
gtk_widget_insert_after (l2, p, l1);
/* Now: l3 -> l1 -> l2 */
g_assert (gtk_widget_get_prev_sibling (l3) == NULL);
g_assert (gtk_widget_get_next_sibling (l3) == l1);
g_assert (gtk_widget_get_next_sibling (l1) == l2);
g_assert (gtk_widget_get_prev_sibling (l1) == l3);
g_assert (gtk_widget_get_prev_sibling (l2) == l1);
g_assert (gtk_widget_get_next_sibling (l2) == NULL);
gtk_widget_insert_after (l1, p, NULL);
/* Now: l1 -> l3 -> l2 */
g_assert (gtk_widget_get_prev_sibling (l1) == NULL);
g_assert (gtk_widget_get_next_sibling (l1) == l3);
g_assert (gtk_widget_get_next_sibling (l3) == l2);
g_assert (gtk_widget_get_prev_sibling (l3) == l1);
g_assert (gtk_widget_get_prev_sibling (l2) == l3);
g_assert (gtk_widget_get_next_sibling (l2) == NULL);
}
int main (int argc, char **argv)
{
gtk_init ();
@ -523,7 +564,7 @@ int main (int argc, char **argv)
g_test_add_func ("/widgetorder/reorder-end", reorder_end);
g_test_add_func ("/widgetorder/same-after", same_after);
g_test_add_func ("/widgetorder/same-before", same_before);
g_test_add_func ("/widgetorder/no-loop", no_loop);
return g_test_run ();
}