| /* |
| * Copyright © 2018 Google, Inc. |
| * |
| * This is part of HarfBuzz, a text shaping library. |
| * |
| * Permission is hereby granted, without written agreement and without |
| * license or royalty fees, to use, copy, modify, and distribute this |
| * software and its documentation for any purpose, provided that the |
| * above copyright notice and the following two paragraphs appear in |
| * all copies of this software. |
| * |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| * |
| * Google Author(s): Roderick Sheeter |
| */ |
| |
| #include "hb-test.h" |
| #include "hb-subset-test.h" |
| |
| /* Unit tests for cmap subsetting */ |
| |
| static void |
| test_subset_cmap (void) |
| { |
| hb_face_t *face_abc = hb_test_open_font_file ("fonts/Roboto-Regular.abc.ttf"); |
| hb_face_t *face_ac = hb_test_open_font_file ("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); |
| 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 ('c','m','a','p')); |
| |
| hb_face_destroy (face_abc_subset); |
| hb_face_destroy (face_abc); |
| hb_face_destroy (face_ac); |
| } |
| |
| static void |
| test_subset_cmap_non_consecutive_glyphs (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/Roboto-Regular.D7,D8,D9,DA,DE.ttf"); |
| |
| hb_set_t *codepoints = hb_set_create (); |
| hb_face_t *face_subset; |
| hb_set_add (codepoints, 0xD7); |
| hb_set_add (codepoints, 0xD8); |
| hb_set_add (codepoints, 0xD9); |
| hb_set_add (codepoints, 0xDA); |
| hb_set_add (codepoints, 0xDE); |
| |
| face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); |
| hb_set_destroy (codepoints); |
| |
| hb_subset_test_check (face, face_subset, HB_TAG ('c','m','a','p')); |
| |
| hb_face_destroy (face_subset); |
| hb_face_destroy (face); |
| } |
| |
| static void |
| test_subset_cmap_noop (void) |
| { |
| hb_face_t *face_abc = hb_test_open_font_file ("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); |
| 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 ('c','m','a','p')); |
| |
| hb_face_destroy (face_abc_subset); |
| hb_face_destroy (face_abc); |
| } |
| |
| static void |
| test_subset_cmap4_no_exceeding_maximum_codepoint (void) |
| { |
| hb_face_t *face_origin = hb_test_open_font_file ("fonts/Mplus1p-Regular.ttf"); |
| hb_face_t *face_expected = hb_test_open_font_file ("fonts/Mplus1p-Regular-cmap4-testing.ttf"); |
| |
| hb_set_t *codepoints = hb_set_create (); |
| hb_face_t *face_subset; |
| hb_set_add (codepoints, 0x20); |
| hb_set_add (codepoints, 0x21); |
| hb_set_add (codepoints, 0x1d542); |
| hb_set_add (codepoints, 0x201a2); |
| |
| face_subset = hb_subset_test_create_subset (face_origin, hb_subset_test_create_input (codepoints)); |
| hb_set_destroy (codepoints); |
| |
| hb_subset_test_check (face_expected, face_subset, HB_TAG ('c','m','a','p')); |
| |
| hb_face_destroy (face_subset); |
| hb_face_destroy (face_expected); |
| hb_face_destroy (face_origin); |
| } |
| |
| static void |
| test_subset_cmap_empty_tables (void) |
| { |
| hb_face_t *face_abc = hb_test_open_font_file ("fonts/Roboto-Regular.abc.ttf"); |
| hb_face_t *face_empty = hb_test_open_font_file ("fonts/Roboto-Regular.empty.ttf"); |
| |
| hb_set_t *codepoints = hb_set_create (); |
| hb_face_t *face_abc_subset; |
| hb_set_add (codepoints, 100); |
| hb_set_add (codepoints, 101); |
| 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_empty, face_abc_subset, HB_TAG ('c','m','a','p')); |
| |
| hb_face_destroy (face_abc_subset); |
| hb_face_destroy (face_abc); |
| hb_face_destroy (face_empty); |
| } |
| |
| static void |
| test_subset_cmap_noto_color_emoji_noop (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/NotoColorEmoji.cmap.ttf"); |
| |
| hb_set_t *codepoints = hb_set_create (); |
| hb_face_t *face_subset; |
| hb_set_add (codepoints, 0x38); |
| hb_set_add (codepoints, 0x39); |
| hb_set_add (codepoints, 0xAE); |
| hb_set_add (codepoints, 0x2049); |
| hb_set_add (codepoints, 0x20E3); |
| face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); |
| hb_set_destroy (codepoints); |
| |
| hb_subset_test_check (face, face_subset, HB_TAG ('c','m','a','p')); |
| |
| hb_face_destroy (face_subset); |
| hb_face_destroy (face); |
| } |
| |
| static void |
| test_subset_cmap_noto_color_emoji_non_consecutive_glyphs (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/NotoColorEmoji.cmap.ttf"); |
| hb_face_t *face_expected = hb_test_open_font_file ("fonts/NotoColorEmoji.cmap.38,AE,2049.ttf"); |
| |
| hb_set_t *codepoints = hb_set_create (); |
| hb_face_t *face_subset; |
| hb_set_add (codepoints, 0x38); |
| hb_set_add (codepoints, 0xAE); |
| hb_set_add (codepoints, 0x2049); |
| face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); |
| hb_set_destroy (codepoints); |
| |
| hb_subset_test_check (face_expected, face_subset, HB_TAG ('c','m','a','p')); |
| |
| hb_face_destroy (face_subset); |
| hb_face_destroy (face_expected); |
| hb_face_destroy (face); |
| } |
| |
| // TODO(rsheeter) test cmap to no codepoints |
| |
| int |
| main (int argc, char **argv) |
| { |
| hb_test_init (&argc, &argv); |
| |
| hb_test_add (test_subset_cmap); |
| hb_test_add (test_subset_cmap_noop); |
| hb_test_add (test_subset_cmap_non_consecutive_glyphs); |
| hb_test_add (test_subset_cmap4_no_exceeding_maximum_codepoint); |
| hb_test_add (test_subset_cmap_empty_tables); |
| hb_test_add (test_subset_cmap_noto_color_emoji_noop); |
| hb_test_add (test_subset_cmap_noto_color_emoji_non_consecutive_glyphs); |
| |
| return hb_test_run(); |
| } |