--- /dev/null
+#include <stddef.h>
+#include "src/hb.h"
+#include "src/hb-ot.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ const char text[] = "ABCDEXYZ123@_%&)*$!";
+
+ hb_blob_t *blob = hb_blob_create((const char *)data, size,
+ HB_MEMORY_MODE_READONLY, NULL, NULL);
+ hb_face_t *face = hb_face_create(blob, 0);
+ hb_font_t *font = hb_font_create(face);
+ hb_ot_font_set_funcs(font);
+ hb_font_set_scale(font, 12, 12);
+
+ hb_buffer_t *buffer = hb_buffer_create();
+ hb_buffer_add_utf8(buffer, text, -1, 0, -1);
+ hb_buffer_guess_segment_properties(buffer);
+
+ hb_shape(font, buffer, NULL, 0);
+
+ hb_buffer_destroy(buffer);
+ hb_font_destroy(font);
+ hb_face_destroy(face);
+ hb_blob_destroy(blob);
+ return 0;
+}
+
+#ifdef MAIN
+#include <iostream>
+#include <iterator>
+#include <fstream>
+#include <assert.h>
+
+std::string FileToString(const std::string &Path) {
+ std::ifstream T(Path.c_str());
+ return std::string((std::istreambuf_iterator<char>(T)),
+ std::istreambuf_iterator<char>());
+}
+
+int main(int argc, char **argv) {
+ for (int i = 1; i < argc; i++) {
+ std::string s = FileToString(argv[i]);
+ std::cout << argv[i] << std::endl;
+ LLVMFuzzerTestOneInput((const unsigned char*)s.data(), s.size());
+ }
+}
+#endif