[set] add a test demonstrating a bug in hb_set_union.

7 years ago · 9a6f9b4d42
parent 9b4a5d7ef1
commit 9a6f9b4d42
1 changed files with 10 additions and 0 deletions
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@ -137,10 +137,13 @@ test_set_algebra (void)
 {
  hb_set_t *s = hb_set_create ();
  hb_set_t *o = hb_set_create ();
+  hb_set_t *o2 = hb_set_create ();

  hb_set_add (o, 13);
  hb_set_add (o, 19);

+  hb_set_add (o2, 0x660E);
+
  test_empty (s);
  g_assert (!hb_set_is_equal (s, o));
  hb_set_set (s, o);
@ -157,6 +160,13 @@ test_set_algebra (void)
  g_assert (hb_set_has (s, 10));
  g_assert (hb_set_has (s, 13));

+  hb_set_clear (s);
+  test_empty (s);
+  g_assert_cmpint (hb_set_get_population (s), ==, 0);
+  hb_set_union (s, o2);
+  g_assert_cmpint (hb_set_get_population (s), ==, 1);
+  g_assert (hb_set_has (s, 0x660E));
+
  hb_set_clear (s);
  test_empty (s);
  hb_set_add_range (s, 10, 17);