Imported Upstream version 2.3.1

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

diff --git a/test/api/test-font.c b/test/api/test-font.c
index 527dfcd..6690194 100644 (file)
--- a/test/api/test-font.c
+++ b/test/api/test-font.c
@@ -83,7 +83,7 @@ free_up (void *user_data)
 }
 
 static hb_blob_t *
-get_table (hb_face_t *face, hb_tag_t tag, void *user_data)
+get_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data HB_UNUSED)
 {
   if (tag == HB_TAG ('a','b','c','d'))
     return hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
@@ -210,10 +210,10 @@ test_fontfuncs_nil (void)
 }
 
 static hb_bool_t
-contour_point_func1 (hb_font_t *font, void *font_data,
-                    hb_codepoint_t glyph, unsigned int point_index,
+contour_point_func1 (hb_font_t *font HB_UNUSED, void *font_data HB_UNUSED,
+                    hb_codepoint_t glyph, unsigned int point_index HB_UNUSED,
                     hb_position_t *x, hb_position_t *y,
-                    void *user_data)
+                    void *user_data HB_UNUSED)
 {
   if (glyph == 1) {
     *x = 2;
@@ -230,10 +230,10 @@ contour_point_func1 (hb_font_t *font, void *font_data,
 }
 
 static hb_bool_t
-contour_point_func2 (hb_font_t *font, void *font_data,
+contour_point_func2 (hb_font_t *font, void *font_data HB_UNUSED,
                     hb_codepoint_t glyph, unsigned int point_index,
                     hb_position_t *x, hb_position_t *y,
-                    void *user_data)
+                    void *user_data HB_UNUSED)
 {
   if (glyph == 1) {
     *x = 6;
@@ -246,9 +246,9 @@ contour_point_func2 (hb_font_t *font, void *font_data,
 }
 
 static hb_position_t
-glyph_h_advance_func1 (hb_font_t *font, void *font_data,
+glyph_h_advance_func1 (hb_font_t *font HB_UNUSED, void *font_data HB_UNUSED,
                       hb_codepoint_t glyph,
-                      void *user_data)
+                      void *user_data HB_UNUSED)
 {
   if (glyph == 1)
     return 8;
@@ -361,8 +361,74 @@ test_fontfuncs_subclassing (void)
 
 
   hb_font_destroy (font3);
+  hb_font_destroy (font2);
+}
+
+static hb_bool_t
+nominal_glyph_func (hb_font_t *font HB_UNUSED,
+                   void *font_data HB_UNUSED,
+                   hb_codepoint_t unicode HB_UNUSED,
+                   hb_codepoint_t *glyph,
+                   void *user_data HB_UNUSED)
+{
+  *glyph = 0;
+  return FALSE;
+}
+
+static unsigned int
+nominal_glyphs_func (hb_font_t *font HB_UNUSED,
+                    void *font_data HB_UNUSED,
+                    unsigned int count HB_UNUSED,
+                    const hb_codepoint_t *first_unicode HB_UNUSED,
+                    unsigned int unicode_stride HB_UNUSED,
+                    hb_codepoint_t *first_glyph HB_UNUSED,
+                    unsigned int glyph_stride HB_UNUSED,
+                    void *user_data HB_UNUSED)
+{
+  return 0;
 }
 
+static void
+test_fontfuncs_parallels (void)
+{
+  hb_blob_t *blob;
+  hb_face_t *face;
+
+  hb_font_funcs_t *ffuncs1;
+  hb_font_funcs_t *ffuncs2;
+
+  hb_font_t *font0;
+  hb_font_t *font1;
+  hb_font_t *font2;
+  hb_codepoint_t glyph;
+
+  blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
+  face = hb_face_create (blob, 0);
+  hb_blob_destroy (blob);
+  font0 = hb_font_create (face);
+  hb_face_destroy (face);
+
+  /* setup sub-font1 */
+  font1 = hb_font_create_sub_font (font0);
+  hb_font_destroy (font0);
+  ffuncs1 = hb_font_funcs_create ();
+  hb_font_funcs_set_nominal_glyph_func (ffuncs1, nominal_glyph_func, NULL, NULL);
+  hb_font_set_funcs (font1, ffuncs1, NULL, NULL);
+  hb_font_funcs_destroy (ffuncs1);
+
+  /* setup sub-font2 */
+  font2 = hb_font_create_sub_font (font1);
+  hb_font_destroy (font1);
+  ffuncs2 = hb_font_funcs_create ();
+  hb_font_funcs_set_nominal_glyphs_func (ffuncs1, nominal_glyphs_func, NULL, NULL);
+  hb_font_set_funcs (font2, ffuncs2, NULL, NULL);
+  hb_font_funcs_destroy (ffuncs2);
+
+  /* Just test that calling get_nominal_glyph doesn't infinite-loop. */
+  hb_font_get_nominal_glyph (font2, 0x0020u, &glyph);
+
+  hb_font_destroy (font2);
+}
 
 static void
 test_font_empty (void)
@@ -470,6 +536,11 @@ test_font_properties (void)
   g_assert_cmpint (x_ppem, ==, 17);
   g_assert_cmpint (y_ppem, ==, 19);
 
+  /* Check ptem */
+  g_assert_cmpint (hb_font_get_ptem (font), ==, 0);
+  hb_font_set_ptem (font, 42);
+  g_assert_cmpint (hb_font_get_ptem (font), ==, 42);
+
 
   /* Check immutable */
 
@@ -542,6 +613,7 @@ main (int argc, char **argv)
   hb_test_add (test_fontfuncs_empty);
   hb_test_add (test_fontfuncs_nil);
   hb_test_add (test_fontfuncs_subclassing);
+  hb_test_add (test_fontfuncs_parallels);
 
   hb_test_add (test_font_empty);
   hb_test_add (test_font_properties);