1 #include "hb-fuzzer.hh"
8 #define TEST_OT_FACE_NO_MAIN 1
9 #include "../api/test-ot-face.c"
10 #undef TEST_OT_FACE_NO_MAIN
12 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
14 hb_blob_t *blob = hb_blob_create ((const char *)data, size,
15 HB_MEMORY_MODE_READONLY, nullptr, nullptr);
16 hb_face_t *face = hb_face_create (blob, 0);
17 hb_font_t *font = hb_font_create (face);
18 hb_ot_font_set_funcs (font);
19 hb_font_set_scale (font, 12, 12);
21 unsigned num_coords = 0;
22 if (size) num_coords = data[size - 1];
23 num_coords = hb_ot_var_get_axis_count (face) > num_coords ? num_coords : hb_ot_var_get_axis_count (face);
24 int *coords = (int *) calloc (num_coords, sizeof (int));
25 if (size > num_coords + 1)
26 for (unsigned i = 0; i < num_coords; ++i)
27 coords[i] = ((int) data[size - num_coords + i - 1] - 128) * 10;
28 hb_font_set_var_coords_normalized (font, coords, num_coords);
32 const char text[] = "ABCDEXYZ123@_%&)*$!";
33 hb_buffer_t *buffer = hb_buffer_create ();
34 hb_buffer_add_utf8 (buffer, text, -1, 0, -1);
35 hb_buffer_guess_segment_properties (buffer);
36 hb_shape (font, buffer, nullptr, 0);
37 hb_buffer_destroy (buffer);
40 uint32_t text32[16] = {0};
41 unsigned int len = sizeof (text32);
45 memcpy(text32, data + size - len, len);
47 hb_buffer_t *buffer = hb_buffer_create ();
48 hb_buffer_add_utf32 (buffer, text32, sizeof (text32) / sizeof (text32[0]), 0, -1);
49 hb_buffer_guess_segment_properties (buffer);
50 hb_shape (font, buffer, nullptr, 0);
51 hb_buffer_destroy (buffer);
53 /* Misc calls on font. */
54 test_font (font, text32[15]);
56 hb_font_destroy (font);
57 hb_face_destroy (face);
58 hb_blob_destroy (blob);