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Force blob generation and memory check in hb-subset-fuzzer

This commit is contained in:
Ebrahim Byagowi 2019-07-10 14:28:06 +04:30
parent 2e7021da7d
commit c85f624b51
1 changed files with 14 additions and 0 deletions
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14
test/fuzzing/hb-subset-fuzzer.cc
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@ -3,6 +3,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "hb-subset.h"
@ -32,6 +33,19 @@ trySubset (hb_face_t *face,
}
hb_face_t *result = hb_subset (face, input);
{
hb_blob_t *blob = hb_face_reference_blob (result);
unsigned int length;
const char *data = hb_blob_get_data (blob, &length);
// Something not optimizable just to access all the blob data
unsigned int bytes_count = 0;
for (unsigned int i = 0; i < length; ++i)
if (data[i]) ++bytes_count;
assert (bytes_count);
hb_blob_destroy (blob);
}
hb_face_destroy (result);
hb_subset_input_destroy (input);