Imported Upstream version 2.3.1

[platform/upstream/harfbuzz.git] / test / fuzzing / hb-shape-fuzzer.cc

diff --git a/test/fuzzing/hb-shape-fuzzer.cc b/test/fuzzing/hb-shape-fuzzer.cc
index 79f3222..5723db9 100644 (file)
--- a/test/fuzzing/hb-shape-fuzzer.cc
+++ b/test/fuzzing/hb-shape-fuzzer.cc
@@ -3,50 +3,45 @@
 #include <hb-ot.h>
 #include <string.h>
 
+#define TEST_OT_FACE_NO_MAIN 1
+#include "../api/test-ot-face.c"
+#undef TEST_OT_FACE_NO_MAIN
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {
-  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_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);
 
   {
     const char text[] = "ABCDEXYZ123@_%&)*$!";
-    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_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);
   }
 
-  uint32_t text32[16];
-  if (size > sizeof(text32)) {
-    memcpy(text32, data + size - sizeof(text32), sizeof(text32));
-    hb_buffer_t *buffer = hb_buffer_create();
-    hb_buffer_add_utf32(buffer, text32, sizeof(text32)/sizeof(text32[0]), 0, -1);
-    hb_buffer_guess_segment_properties(buffer);
-    hb_shape(font, buffer, NULL, 0);
-
-    unsigned int len = hb_buffer_get_length (buffer);
-    hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
-    //hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
-    for (unsigned int i = 0; i < len; i++)
-    {
-      hb_glyph_info_t info = infos[i];
-      //hb_glyph_position_t pos = positions[i];
-
-      hb_glyph_extents_t extents;
-      hb_font_get_glyph_extents (font, info.codepoint, &extents);
-    }
-
-    hb_buffer_destroy(buffer);
-  }
+  uint32_t text32[16] = {0};
+  unsigned int len = sizeof (text32);
+  if (size < len)
+    len = size;
+  memcpy(text32, data + size - len, len);
+
+  hb_buffer_t *buffer = hb_buffer_create ();
+  hb_buffer_add_utf32 (buffer, text32, sizeof (text32) / sizeof (text32[0]), 0, -1);
+  hb_buffer_guess_segment_properties (buffer);
+  hb_shape (font, buffer, NULL, 0);
+  hb_buffer_destroy (buffer);
 
+  /* Misc calls on face. */
+  test_face (face, text32[15]);
 
-  hb_font_destroy(font);
-  hb_face_destroy(face);
-  hb_blob_destroy(blob);
+  hb_font_destroy (font);
+  hb_face_destroy (face);
+  hb_blob_destroy (blob);
   return 0;
 }