#include <hb-ot.h>
static void
-test_ot_layout_feature_get_name_ids_and_characters (void)
+test_ot_layout_get_ligature_carets_aat_lcar (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/lcar.ttf");
hb_font_t *font = hb_font_create (face);
hb_font_set_scale (font, hb_face_get_upem (face) * 2, hb_face_get_upem (face) * 4);
- hb_position_t caret_array[2];
- unsigned int caret_count = 2;
- g_assert_cmpuint (2, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_RTL,
- 98, 0, &caret_count,
- caret_array));
+ hb_position_t caret_array[16];
+
+ /* a normal call */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (2, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 98, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (2, ==, caret_count);
+ g_assert_cmpuint (1130, ==, caret_array[0]);
+ g_assert_cmpuint (2344, ==, caret_array[1]);
+ }
+
+ /* RTL, maybe needs to be tweaked however */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (2, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_RTL,
+ 98, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (2, ==, caret_count);
+ g_assert_cmpuint (1130, ==, caret_array[0]);
+ g_assert_cmpuint (2344, ==, caret_array[1]);
+ }
+
+ /* bottom to top call, bigger caret positions as the specified scaling */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (2, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_BTT,
+ 98, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (2, ==, caret_count);
+ g_assert_cmpuint (2260, ==, caret_array[0]);
+ g_assert_cmpuint (4688, ==, caret_array[1]);
+ }
+
+ /* the same glyph as above but with offset */
+ {
+ caret_array[1] = 123;
+
+ unsigned caret_count = 16;
+ g_assert_cmpuint (2, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_BTT,
+ 98, 1, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (1, ==, caret_count);
+ g_assert_cmpuint (4688, ==, caret_array[0]);
+
+ g_assert_cmpuint (123, ==, caret_array[1]);
+ }
+
+ /* empty carets */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (0, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 97, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (0, ==, caret_count);
+ }
+
+ hb_font_destroy (font);
+ hb_face_destroy (face);
+}
+
+static void
+test_ot_layout_get_ligature_carets_ot_gsub (void)
+{
+ hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
+ hb_font_t *font = hb_font_create (face);
+ hb_font_set_scale (font, hb_face_get_upem (face) * 2, hb_face_get_upem (face) * 4);
+
+ hb_position_t caret_array[16];
+
+ /* call with no result */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (0, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 188, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (0, ==, caret_count);
+ }
+
+ /* call with no result and some offset */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (0, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 188, 10, &caret_count,
+ caret_array));
- g_assert_cmpuint (2, ==, caret_count);
- g_assert_cmpuint (1130, ==, caret_array[0]);
- g_assert_cmpuint (2344, ==, caret_array[1]);
+ g_assert_cmpuint (0, ==, caret_count);
+ }
+
+ /* a glyph with 3 ligature carets */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (3, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 1020, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (3, ==, caret_count);
+ g_assert_cmpuint (2718, ==, caret_array[0]);
+ g_assert_cmpuint (5438, ==, caret_array[1]);
+ g_assert_cmpuint (8156, ==, caret_array[2]);
+ }
+
+ /* the same glyph as above but with offset */
+ {
+ caret_array[2] = 123;
+
+ unsigned caret_count = 16;
+ g_assert_cmpuint (3, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 1020, 1, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (2, ==, caret_count);
+ g_assert_cmpuint (5438, ==, caret_array[0]);
+ g_assert_cmpuint (8156, ==, caret_array[1]);
+
+ g_assert_cmpuint (123, ==, caret_array[2]);
+ }
+
+ /* the same glyph as above but with another offset */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (3, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 1020, 2, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (1, ==, caret_count);
+ g_assert_cmpuint (8156, ==, caret_array[0]);
+ }
+
+ /* call with no result */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (0, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 1021, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (0, ==, caret_count);
+ }
+
+ /* a glyph with 1 ligature caret */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (1, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 1022, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (1, ==, caret_count);
+ g_assert_cmpuint (3530, ==, caret_array[0]);
+ }
+
+ /* the same glyph as above but with offset */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (1, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 1022, 1, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (0, ==, caret_count);
+ }
+
+ /* a glyph with 2 ligature carets */
+ {
+ unsigned caret_count = 16;
+ g_assert_cmpuint (2, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR,
+ 1023, 0, &caret_count,
+ caret_array));
+
+ g_assert_cmpuint (2, ==, caret_count);
+ g_assert_cmpuint (2352, ==, caret_array[0]);
+ g_assert_cmpuint (4706, ==, caret_array[1]);
+ }
+
+ hb_font_destroy (font);
+ hb_face_destroy (face);
+}
+
+static void
+test_ot_layout_get_ligature_carets_empty (void)
+{
+ hb_face_t *face = hb_face_get_empty ();
+ hb_font_t *font = hb_font_create (face);
+ hb_font_set_scale (font, hb_face_get_upem (face) * 2, hb_face_get_upem (face) * 4);
- g_assert_cmpuint (2, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_BTT,
- 98, 0, &caret_count,
+ hb_position_t caret_array[3];
+ unsigned int caret_count = 3;
+ g_assert_cmpuint (0, ==, hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_RTL,
+ 1024, 0, &caret_count,
caret_array));
- g_assert_cmpuint (2, ==, caret_count);
- g_assert_cmpuint (2260, ==, caret_array[0]);
- g_assert_cmpuint (4688, ==, caret_array[1]);
+ g_assert_cmpuint (0, ==, caret_count);
hb_font_destroy (font);
hb_face_destroy (face);
{
g_test_init (&argc, &argv, NULL);
- hb_test_add (test_ot_layout_feature_get_name_ids_and_characters);
+ hb_test_add (test_ot_layout_get_ligature_carets_aat_lcar);
+ hb_test_add (test_ot_layout_get_ligature_carets_ot_gsub);
+ hb_test_add (test_ot_layout_get_ligature_carets_empty);
return hb_test_run ();
}
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