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[subset] In subset fuzzer run through drop hints and keep hints pathways.

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Garret Rieger 2018-04-19 13:39:57 -07:00
parent 6fdeeb2ae3
commit 3c97614598
1 changed files with 12 additions and 2 deletions
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14
test/fuzzing/hb-subset-fuzzer.cc
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@ -12,10 +12,15 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
HB_MEMORY_MODE_READONLY, NULL, NULL);
hb_face_t *face = hb_face_create (blob, 0);
hb_subset_profile_t *profile = hb_subset_profile_create ();
// TODO(grieger): Loop through common profiles (hints, no hints, etc.)
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
*hb_subset_input_drop_hints(input) = false;
hb_set_t *codepoints = hb_subset_input_unicode_set (input);
hb_subset_input_t *input_drop_hints = hb_subset_input_create_or_fail ();
*hb_subset_input_drop_hints(input_drop_hints) = true;
hb_set_t *codepoints_drop_hints = hb_subset_input_unicode_set (input);
const hb_codepoint_t text[] =
{
'A', 'B', 'C', 'D', 'E', 'X', 'Y', 'Z', '1', '2',
@ -24,12 +29,17 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
for (int i = 0; i < sizeof (text) / sizeof (hb_codepoint_t); i++)
{
hb_set_add (codepoints, text[i]);
hb_set_add (codepoints_drop_hints, text[i]);
}
hb_face_t *result = hb_subset (face, profile, input);
hb_face_destroy (result);
result = hb_subset (face, profile, input_drop_hints);
hb_face_destroy (result);
hb_subset_input_destroy (input);
hb_subset_input_destroy (input_drop_hints);
hb_subset_profile_destroy (profile);
hb_face_destroy (face);
hb_blob_destroy (blob);