test/api/test-subset-cff1.c - third_party/harfbuzz - Git at Google

 /*
  * Copyright © 2018 Adobe 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.
  *
  * Adobe Author(s): Michiharu Ariza
  */

 #include "hb-test.h"
 #include "hb-subset-test.h"

 /* Unit tests for CFF subsetting */

 static void
 test_subset_cff1_noop (void)
 {
   hb_face_t *face_abc = hb_test_open_font_file("fonts/SourceSansPro-Regular.abc.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_face_t *face_abc_subset;
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'b');
   hb_set_add (codepoints, 'c');
   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','F','F',' '));

   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
 }

 static void
 test_subset_cff1 (void)
 {
   hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
   hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_face_t *face_abc_subset;
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
   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','F','F',' '));

   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
   hb_face_destroy (face_ac);
 }

 static void
 test_subset_cff1_strip_hints (void)
 {
   hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
   hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.nohints.otf");

   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');
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
   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 ('C', 'F', 'F', ' '));

   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
   hb_face_destroy (face_ac);
 }

 static void
 test_subset_cff1_desubr (void)
 {
   hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
   hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.nosubrs.otf");

   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');
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_DESUBROUTINIZE);
   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 ('C','F','F',' '));

   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
   hb_face_destroy (face_ac);
 }

 static void
 test_subset_cff1_desubr_strip_hints (void)
 {
   hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
   hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.nosubrs.nohints.otf");

   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');
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input,
                              HB_SUBSET_FLAGS_NO_HINTING | HB_SUBSET_FLAGS_DESUBROUTINIZE);
   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 ('C', 'F', 'F', ' '));

   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
   hb_face_destroy (face_ac);
 }

 static void
 test_subset_cff1_j (void)
 {
   hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
   hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_face_t *face_41_3041_4c2e_subset;
   hb_set_add (codepoints, 0x41);
   hb_set_add (codepoints, 0x4C2E);
   face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_41_3041_4c2e_subset);
   hb_face_destroy (face_41_3041_4c2e);
   hb_face_destroy (face_41_4c2e);
 }

 static void
 test_subset_cff1_j_strip_hints (void)
 {
   hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
   hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.nohints.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_face_t *face_41_3041_4c2e_subset;
   hb_subset_input_t *input;
   hb_set_add (codepoints, 0x41);
   hb_set_add (codepoints, 0x4C2E);
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
   face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_41_3041_4c2e_subset);
   hb_face_destroy (face_41_3041_4c2e);
   hb_face_destroy (face_41_4c2e);
 }

 static void
 test_subset_cff1_j_desubr (void)
 {
   hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
   hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.nosubrs.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_face_t *face_41_3041_4c2e_subset;
   hb_subset_input_t *input;
   hb_set_add (codepoints, 0x41);
   hb_set_add (codepoints, 0x4C2E);
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_DESUBROUTINIZE);
   face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_41_3041_4c2e_subset);
   hb_face_destroy (face_41_3041_4c2e);
   hb_face_destroy (face_41_4c2e);
 }

 static void
 test_subset_cff1_j_desubr_strip_hints (void)
 {
   hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
   hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.nosubrs.nohints.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_face_t *face_41_3041_4c2e_subset;
   hb_subset_input_t *input;
   hb_set_add (codepoints, 0x41);
   hb_set_add (codepoints, 0x4C2E);
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input,
                              HB_SUBSET_FLAGS_NO_HINTING | HB_SUBSET_FLAGS_DESUBROUTINIZE);
   face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_41_3041_4c2e_subset);
   hb_face_destroy (face_41_3041_4c2e);
   hb_face_destroy (face_41_4c2e);
 }

 static void
 test_subset_cff1_expert (void)
 {
   hb_face_t *face = hb_test_open_font_file ("fonts/cff1_expert.otf");
   hb_face_t *face_subset = hb_test_open_font_file ("fonts/cff1_expert.2D,F6E9,FB00.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_face_t *face_test;
   hb_set_add (codepoints, 0x2D);
   hb_set_add (codepoints, 0xF6E9);
   hb_set_add (codepoints, 0xFB00);
   face_test = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_subset, face_test, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_test);
   hb_face_destroy (face_subset);
   hb_face_destroy (face);
 }

 static void
 test_subset_cff1_seac (void)
 {
   hb_face_t *face = hb_test_open_font_file ("fonts/cff1_seac.otf");
   hb_face_t *face_subset = hb_test_open_font_file ("fonts/cff1_seac.C0.otf");
   hb_face_t *face_test;

   hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 0xC0);  /* Agrave */
   face_test = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_subset, face_test, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_test);
   hb_face_destroy (face_subset);
   hb_face_destroy (face);
 }

 static void
 test_subset_cff1_dotsection (void)
 {
   hb_face_t *face = hb_test_open_font_file ("fonts/cff1_dotsect.otf");
   hb_face_t *face_subset = hb_test_open_font_file ("fonts/cff1_dotsect.nohints.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_subset_input_t *input;
   hb_face_t *face_test;
   hb_set_add (codepoints, 0x69);  /* i */
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
   face_test = hb_subset_test_create_subset (face, input);
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_subset, face_test, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_test);
   hb_face_destroy (face_subset);
   hb_face_destroy (face);
 }

 static void
 test_subset_cff1_retaingids (void)
 {
   hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
   hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.retaingids.otf");

   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');
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
   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 ('C','F','F',' '));

   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
   hb_face_destroy (face_ac);
 }

 static void
 test_subset_cff1_j_retaingids (void)
 {
   hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
   hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.retaingids.otf");

   hb_set_t *codepoints = hb_set_create ();
   hb_subset_input_t *input;
   hb_face_t *face_41_3041_4c2e_subset;
   hb_set_add (codepoints, 0x41);
   hb_set_add (codepoints, 0x4C2E);
   input = hb_subset_test_create_input (codepoints);
   hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
   face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
   hb_set_destroy (codepoints);

   hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

   hb_face_destroy (face_41_3041_4c2e_subset);
   hb_face_destroy (face_41_3041_4c2e);
   hb_face_destroy (face_41_4c2e);
 }

 int
 main (int argc, char **argv)
 {
   hb_test_init (&argc, &argv);

   hb_test_add (test_subset_cff1_noop);
   hb_test_add (test_subset_cff1);
   hb_test_add (test_subset_cff1_strip_hints);
   hb_test_add (test_subset_cff1_desubr);
   hb_test_add (test_subset_cff1_desubr_strip_hints);
   hb_test_add (test_subset_cff1_j);
   hb_test_add (test_subset_cff1_j_strip_hints);
   hb_test_add (test_subset_cff1_j_desubr);
   hb_test_add (test_subset_cff1_j_desubr_strip_hints);
   hb_test_add (test_subset_cff1_expert);
   hb_test_add (test_subset_cff1_seac);
   hb_test_add (test_subset_cff1_dotsection);
   hb_test_add (test_subset_cff1_retaingids);
   hb_test_add (test_subset_cff1_j_retaingids);

   return hb_test_run ();
 }
	/*
	* Copyright © 2018 Adobe 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.
	*
	* Adobe Author(s): Michiharu Ariza
	*/

	#include "hb-test.h"
	#include "hb-subset-test.h"

	/* Unit tests for CFF subsetting */

	static void
	test_subset_cff1_noop (void)
	{
	hb_face_t *face_abc = hb_test_open_font_file("fonts/SourceSansPro-Regular.abc.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_face_t *face_abc_subset;
	hb_set_add (codepoints, 'a');
	hb_set_add (codepoints, 'b');
	hb_set_add (codepoints, 'c');
	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','F','F',' '));

	hb_face_destroy (face_abc_subset);
	hb_face_destroy (face_abc);
	}

	static void
	test_subset_cff1 (void)
	{
	hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
	hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_face_t *face_abc_subset;
	hb_set_add (codepoints, 'a');
	hb_set_add (codepoints, 'c');
	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','F','F',' '));

	hb_face_destroy (face_abc_subset);
	hb_face_destroy (face_abc);
	hb_face_destroy (face_ac);
	}

	static void
	test_subset_cff1_strip_hints (void)
	{
	hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
	hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.nohints.otf");

	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');
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
	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 ('C', 'F', 'F', ' '));

	hb_face_destroy (face_abc_subset);
	hb_face_destroy (face_abc);
	hb_face_destroy (face_ac);
	}

	static void
	test_subset_cff1_desubr (void)
	{
	hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
	hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.nosubrs.otf");

	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');
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_DESUBROUTINIZE);
	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 ('C','F','F',' '));

	hb_face_destroy (face_abc_subset);
	hb_face_destroy (face_abc);
	hb_face_destroy (face_ac);
	}

	static void
	test_subset_cff1_desubr_strip_hints (void)
	{
	hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
	hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.nosubrs.nohints.otf");

	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');
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input,
	HB_SUBSET_FLAGS_NO_HINTING \| HB_SUBSET_FLAGS_DESUBROUTINIZE);
	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 ('C', 'F', 'F', ' '));

	hb_face_destroy (face_abc_subset);
	hb_face_destroy (face_abc);
	hb_face_destroy (face_ac);
	}

	static void
	test_subset_cff1_j (void)
	{
	hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
	hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_face_t *face_41_3041_4c2e_subset;
	hb_set_add (codepoints, 0x41);
	hb_set_add (codepoints, 0x4C2E);
	face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, hb_subset_test_create_input (codepoints));
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_41_3041_4c2e_subset);
	hb_face_destroy (face_41_3041_4c2e);
	hb_face_destroy (face_41_4c2e);
	}

	static void
	test_subset_cff1_j_strip_hints (void)
	{
	hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
	hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.nohints.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_face_t *face_41_3041_4c2e_subset;
	hb_subset_input_t *input;
	hb_set_add (codepoints, 0x41);
	hb_set_add (codepoints, 0x4C2E);
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
	face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_41_3041_4c2e_subset);
	hb_face_destroy (face_41_3041_4c2e);
	hb_face_destroy (face_41_4c2e);
	}

	static void
	test_subset_cff1_j_desubr (void)
	{
	hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
	hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.nosubrs.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_face_t *face_41_3041_4c2e_subset;
	hb_subset_input_t *input;
	hb_set_add (codepoints, 0x41);
	hb_set_add (codepoints, 0x4C2E);
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_DESUBROUTINIZE);
	face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_41_3041_4c2e_subset);
	hb_face_destroy (face_41_3041_4c2e);
	hb_face_destroy (face_41_4c2e);
	}

	static void
	test_subset_cff1_j_desubr_strip_hints (void)
	{
	hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
	hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.nosubrs.nohints.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_face_t *face_41_3041_4c2e_subset;
	hb_subset_input_t *input;
	hb_set_add (codepoints, 0x41);
	hb_set_add (codepoints, 0x4C2E);
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input,
	HB_SUBSET_FLAGS_NO_HINTING \| HB_SUBSET_FLAGS_DESUBROUTINIZE);
	face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_41_3041_4c2e_subset);
	hb_face_destroy (face_41_3041_4c2e);
	hb_face_destroy (face_41_4c2e);
	}

	static void
	test_subset_cff1_expert (void)
	{
	hb_face_t *face = hb_test_open_font_file ("fonts/cff1_expert.otf");
	hb_face_t *face_subset = hb_test_open_font_file ("fonts/cff1_expert.2D,F6E9,FB00.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_face_t *face_test;
	hb_set_add (codepoints, 0x2D);
	hb_set_add (codepoints, 0xF6E9);
	hb_set_add (codepoints, 0xFB00);
	face_test = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_subset, face_test, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_test);
	hb_face_destroy (face_subset);
	hb_face_destroy (face);
	}

	static void
	test_subset_cff1_seac (void)
	{
	hb_face_t *face = hb_test_open_font_file ("fonts/cff1_seac.otf");
	hb_face_t *face_subset = hb_test_open_font_file ("fonts/cff1_seac.C0.otf");
	hb_face_t *face_test;

	hb_set_t *codepoints = hb_set_create ();
	hb_set_add (codepoints, 0xC0); /* Agrave */
	face_test = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_subset, face_test, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_test);
	hb_face_destroy (face_subset);
	hb_face_destroy (face);
	}

	static void
	test_subset_cff1_dotsection (void)
	{
	hb_face_t *face = hb_test_open_font_file ("fonts/cff1_dotsect.otf");
	hb_face_t *face_subset = hb_test_open_font_file ("fonts/cff1_dotsect.nohints.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_subset_input_t *input;
	hb_face_t *face_test;
	hb_set_add (codepoints, 0x69); /* i */
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
	face_test = hb_subset_test_create_subset (face, input);
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_subset, face_test, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_test);
	hb_face_destroy (face_subset);
	hb_face_destroy (face);
	}

	static void
	test_subset_cff1_retaingids (void)
	{
	hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf");
	hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansPro-Regular.ac.retaingids.otf");

	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');
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
	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 ('C','F','F',' '));

	hb_face_destroy (face_abc_subset);
	hb_face_destroy (face_abc);
	hb_face_destroy (face_ac);
	}

	static void
	test_subset_cff1_j_retaingids (void)
	{
	hb_face_t *face_41_3041_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
	hb_face_t *face_41_4c2e = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,4C2E.retaingids.otf");

	hb_set_t *codepoints = hb_set_create ();
	hb_subset_input_t *input;
	hb_face_t *face_41_3041_4c2e_subset;
	hb_set_add (codepoints, 0x41);
	hb_set_add (codepoints, 0x4C2E);
	input = hb_subset_test_create_input (codepoints);
	hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
	face_41_3041_4c2e_subset = hb_subset_test_create_subset (face_41_3041_4c2e, input);
	hb_set_destroy (codepoints);

	hb_subset_test_check (face_41_4c2e, face_41_3041_4c2e_subset, HB_TAG ('C','F','F',' '));

	hb_face_destroy (face_41_3041_4c2e_subset);
	hb_face_destroy (face_41_3041_4c2e);
	hb_face_destroy (face_41_4c2e);
	}

	int
	main (int argc, char **argv)
	{
	hb_test_init (&argc, &argv);

	hb_test_add (test_subset_cff1_noop);
	hb_test_add (test_subset_cff1);
	hb_test_add (test_subset_cff1_strip_hints);
	hb_test_add (test_subset_cff1_desubr);
	hb_test_add (test_subset_cff1_desubr_strip_hints);
	hb_test_add (test_subset_cff1_j);
	hb_test_add (test_subset_cff1_j_strip_hints);
	hb_test_add (test_subset_cff1_j_desubr);
	hb_test_add (test_subset_cff1_j_desubr_strip_hints);
	hb_test_add (test_subset_cff1_expert);
	hb_test_add (test_subset_cff1_seac);
	hb_test_add (test_subset_cff1_dotsection);
	hb_test_add (test_subset_cff1_retaingids);
	hb_test_add (test_subset_cff1_j_retaingids);

	return hb_test_run ();
	}