Imported Upstream version 1.8.1

[platform/upstream/harfbuzz.git] / test / api / test-subset-glyf.c

diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 8e17e8d..e4440e0 100644 (file)
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -24,8 +24,6 @@
  * Google Author(s): Garret Rieger
  */
 
-#include <stdbool.h>
-
 #include "hb-test.h"
 #include "hb-subset-test.h"
 
@@ -66,9 +64,10 @@ test_subset_glyf (void)
   hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.ttf");
 
   hb_set_t *codepoints = hb_set_create();
+  hb_face_t *face_abc_subset;
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 99);
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
+  face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
@@ -87,8 +86,9 @@ test_subset_glyf_with_components (void)
   hb_face_t *face_subset = hb_subset_test_open_font ("fonts/Roboto-Regular.components.subset.ttf");
 
   hb_set_t *codepoints = hb_set_create();
+  hb_face_t *face_generated_subset;
   hb_set_add (codepoints, 0x1fc);
-  hb_face_t *face_generated_subset = hb_subset_test_create_subset (face_components, hb_subset_test_create_input (codepoints));
+  face_generated_subset = hb_subset_test_create_subset (face_components, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('g','l','y','f'));
@@ -101,15 +101,66 @@ test_subset_glyf_with_components (void)
 }
 
 static void
+test_subset_glyf_with_gsub (void)
+{
+  hb_face_t *face_fil = hb_subset_test_open_font ("fonts/Roboto-Regular.gsub.fil.ttf");
+  hb_face_t *face_fi = hb_subset_test_open_font ("fonts/Roboto-Regular.gsub.fi.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 102); // f
+  hb_set_add (codepoints, 105); // i
+
+  hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
+  hb_set_destroy (codepoints);
+  *hb_subset_input_drop_ot_layout (input) = false;
+
+  hb_face_t *face_subset = hb_subset_test_create_subset (face_fil, input);
+
+  hb_subset_test_check (face_fi, face_subset, HB_TAG ('g','l','y','f'));
+  hb_subset_test_check (face_fi, face_subset, HB_TAG ('l','o','c', 'a'));
+  check_maxp_num_glyphs(face_subset, 5, true);
+
+  hb_face_destroy (face_subset);
+  hb_face_destroy (face_fi);
+  hb_face_destroy (face_fil);
+}
+
+static void
+test_subset_glyf_without_gsub (void)
+{
+  hb_face_t *face_fil = hb_subset_test_open_font ("fonts/Roboto-Regular.gsub.fil.ttf");
+  hb_face_t *face_fi = hb_subset_test_open_font ("fonts/Roboto-Regular.nogsub.fi.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 102); // f
+  hb_set_add (codepoints, 105); // i
+
+  hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
+  hb_set_destroy (codepoints);
+  *hb_subset_input_drop_ot_layout (input) = true;
+
+  hb_face_t *face_subset = hb_subset_test_create_subset (face_fil, input);
+
+  hb_subset_test_check (face_fi, face_subset, HB_TAG ('g','l','y','f'));
+  hb_subset_test_check (face_fi, face_subset, HB_TAG ('l','o','c', 'a'));
+  check_maxp_num_glyphs(face_subset, 3, true);
+
+  hb_face_destroy (face_subset);
+  hb_face_destroy (face_fi);
+  hb_face_destroy (face_fil);
+}
+
+static void
 test_subset_glyf_noop (void)
 {
   hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
 
   hb_set_t *codepoints = hb_set_create();
+  hb_face_t *face_abc_subset;
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 98);
   hb_set_add (codepoints, 99);
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
+  face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('g','l','y','f'));
@@ -127,11 +178,13 @@ test_subset_glyf_strip_hints_simple (void)
   hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.nohints.ttf");
 
   hb_set_t *codepoints = hb_set_create();
+  hb_subset_input_t *input;
+  hb_face_t *face_abc_subset;
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
-  hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
+  input = hb_subset_test_create_input (codepoints);
   *hb_subset_input_drop_hints(input) = true;
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, input);
+  face_abc_subset = hb_subset_test_create_subset (face_abc, input);
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
@@ -150,11 +203,13 @@ test_subset_glyf_strip_hints_composite (void)
   hb_face_t *face_subset = hb_subset_test_open_font ("fonts/Roboto-Regular.components.1fc.nohints.ttf");
 
   hb_set_t *codepoints = hb_set_create();
+  hb_subset_input_t *input;
+  hb_face_t *face_generated_subset;
   hb_set_add (codepoints, 0x1fc);
-  hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
+  input = hb_subset_test_create_input (codepoints);
   *hb_subset_input_drop_hints(input) = true;
 
-  hb_face_t *face_generated_subset = hb_subset_test_create_subset (face_components, input);
+  face_generated_subset = hb_subset_test_create_subset (face_components, input);
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('g','l','y','f'));
@@ -166,6 +221,35 @@ test_subset_glyf_strip_hints_composite (void)
   hb_face_destroy (face_components);
 }
 
+static void
+test_subset_glyf_strip_hints_invalid (void)
+{
+  hb_face_t *face = hb_subset_test_open_font ("fonts/oom-ccc61c92d589f895174cdef6ff2e3b20e9999a1a");
+
+  hb_set_t *codepoints = hb_set_create();
+  const hb_codepoint_t text[] =
+  {
+    'A', 'B', 'C', 'D', 'E', 'X', 'Y', 'Z', '1', '2',
+    '3', '@', '_', '%', '&', ')', '*', '$', '!'
+  };
+  unsigned int i;
+  for (i = 0; i < sizeof (text) / sizeof (hb_codepoint_t); i++)
+  {
+    hb_set_add (codepoints, text[i]);
+  }
+
+  hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
+  *hb_subset_input_drop_hints(input) = true;
+  hb_set_destroy (codepoints);
+
+  hb_face_t *face_subset = hb_subset_test_create_subset (face, input);
+  g_assert (face_subset);
+  g_assert (face_subset == hb_face_get_empty ());
+
+  hb_face_destroy (face_subset);
+  hb_face_destroy (face);
+}
+
 // TODO(grieger): test for long loca generation.
 
 int
@@ -177,7 +261,10 @@ main (int argc, char **argv)
   hb_test_add (test_subset_glyf);
   hb_test_add (test_subset_glyf_strip_hints_simple);
   hb_test_add (test_subset_glyf_strip_hints_composite);
+  hb_test_add (test_subset_glyf_strip_hints_invalid);
   hb_test_add (test_subset_glyf_with_components);
+  hb_test_add (test_subset_glyf_with_gsub);
+  hb_test_add (test_subset_glyf_without_gsub);
 
   return hb_test_run();
 }