kc3-lang/harfbuzz/src/graph/test-classdef-graph.cc

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• Hash : ca27925d
  Author :
  Date : 2023-06-03T16:18:15
  

  Use hb_codepoint_pair_t in more places
  

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• src/graph/test-classdef-graph.cc

• /*
   * Copyright © 2022  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): Garret Rieger
   */
  
  #include "gsubgpos-context.hh"
  #include "classdef-graph.hh"
  
  typedef hb_codepoint_pair_t gid_and_class_t;
  typedef hb_vector_t<gid_and_class_t> gid_and_class_list_t;
  
  
  static bool incremental_size_is (const gid_and_class_list_t& list, unsigned klass,
                                   unsigned cov_expected, unsigned class_def_expected)
  {
    graph::class_def_size_estimator_t estimator (list.iter ());
  
    unsigned result = estimator.incremental_coverage_size (klass);
    if (result != cov_expected)
    {
      printf ("FAIL: coverage expected size %u but was %u\n", cov_expected, result);
      return false;
    }
  
    result = estimator.incremental_class_def_size (klass);
    if (result != class_def_expected)
    {
      printf ("FAIL: class def expected size %u but was %u\n", class_def_expected, result);
      return false;
    }
  
    return true;
  }
  
  static void test_class_and_coverage_size_estimates ()
  {
    gid_and_class_list_t empty = {
    };
    assert (incremental_size_is (empty, 0, 0, 0));
    assert (incremental_size_is (empty, 1, 0, 0));
  
    gid_and_class_list_t class_zero = {
      {5, 0},
    };
    assert (incremental_size_is (class_zero, 0, 2, 0));
  
    gid_and_class_list_t consecutive = {
      {4, 0},
      {5, 0},
      {6, 1},
      {7, 1},
      {8, 2},
      {9, 2},
      {10, 2},
      {11, 2},
    };
    assert (incremental_size_is (consecutive, 0, 4, 0));
    assert (incremental_size_is (consecutive, 1, 4, 4));
    assert (incremental_size_is (consecutive, 2, 8, 6));
  
    gid_and_class_list_t non_consecutive = {
      {4, 0},
      {5, 0},
  
      {6, 1},
      {7, 1},
  
      {9, 2},
      {10, 2},
      {11, 2},
      {12, 2},
    };
    assert (incremental_size_is (non_consecutive, 0, 4, 0));
    assert (incremental_size_is (non_consecutive, 1, 4, 6));
    assert (incremental_size_is (non_consecutive, 2, 8, 6));
  
    gid_and_class_list_t multiple_ranges = {
      {4, 0},
      {5, 0},
  
      {6, 1},
      {7, 1},
  
      {9, 1},
  
      {11, 1},
      {12, 1},
      {13, 1},
    };
    assert (incremental_size_is (multiple_ranges, 0, 4, 0));
    assert (incremental_size_is (multiple_ranges, 1, 2 * 6, 3 * 6));
  }
  
  int
  main (int argc, char **argv)
  {
    test_class_and_coverage_size_estimates ();
  }
  

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