[set] Add tests for inverted set range iteration

This commit is contained in:
Behdad Esfahbod 2023-01-05 16:19:41 -07:00
parent 381ac2fd78
commit 14ff747024
1 changed files with 29 additions and 0 deletions

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@ -107,5 +107,34 @@ main (int argc, char **argv)
assert (v2.get_population () == 3); assert (v2.get_population () == 3);
} }
/* Test inverted sets. */
{
hb_set_t s;
s.invert();
s.del (5);
hb_codepoint_t start = HB_SET_VALUE_INVALID, last = HB_SET_VALUE_INVALID;
assert (s.next_range (&start, &last));
assert (start == 0);
assert (last == 4);
assert (s.next_range (&start, &last));
assert (start == 6);
assert (last == HB_SET_VALUE_INVALID - 1);
assert (!s.next_range (&start, &last));
start = HB_SET_VALUE_INVALID;
last = HB_SET_VALUE_INVALID;
assert (s.previous_range (&start, &last));
assert (start == 6);
assert (last == HB_SET_VALUE_INVALID - 1);
assert (s.previous_range (&start, &last));
assert (start == 0);
assert (last == 4);
assert (!s.previous_range (&start, &last));
/* Inverted set returns true for invalid value. */
assert (s.has (HB_SET_VALUE_INVALID));
}
return 0; return 0;
} }