kc3-lang/harfbuzz/src/test-algs.cc

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• Hash : 75f91987
  Author :
  Date : 2025-07-25T02:39:47
  

  [src/test-*] Use hb_always_assert() which isn't compiled out under NDEBUG
  
  Part of https://github.com/harfbuzz/harfbuzz/issues/5418
  

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• src/test-algs.cc

• /*
   * Copyright © 2019  Facebook, 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.
   *
   * Facebook Author(s): Behdad Esfahbod
   */
  
  #include "hb.hh"
  #include "hb-algs.hh"
  #include "hb-set.hh"
  
  
  static char *
  test_func (int a, char **b)
  {
    return b ? b[a] : nullptr;
  }
  
  struct A
  {
    void a () {}
  };
  
  int
  main (int argc, char **argv)
  {
    int i = 1;
    auto p = hb_pair (1, i);
  
    p.second = 2;
    hb_always_assert (i == 2);
  
    const int c = 3;
    auto pc = hb_pair (1, c);
    hb_always_assert (pc.second == 3);
  
    auto q = p;
    hb_always_assert (&q != &p);
    q.second = 4;
    hb_always_assert (i == 4);
  
    hb_invoke (test_func, 0, nullptr);
  
    A a;
    hb_invoke (&A::a, a);
  
    hb_always_assert (1 == hb_min (8, 1));
    hb_always_assert (8 == hb_max (8, 1));
  
    int x = 1, y = 2;
    hb_min (x, 3);
    hb_min (3, x);
    hb_min (x, 4 + 3);
    int &z = hb_min (x, y);
    z = 3;
    hb_always_assert (x == 3);
  
    hb_pair_t<const int*, int> xp = hb_pair_t<int *, long> (nullptr, 0);
    xp = hb_pair_t<int *, double> (nullptr, 1);
    xp = hb_pair_t<const int*, int> (nullptr, 1);
  
    hb_always_assert (3 == hb_partial (hb_min, 3) (4));
    hb_always_assert (3 == hb_partial<1> (hb_min, 4) (3));
  
    auto M0 = hb_partial<2> (hb_max, 0);
    hb_always_assert (M0 (-2) == 0);
    hb_always_assert (M0 (+2) == 2);
  
    hb_always_assert (hb_add (2) (5) == 7);
    hb_always_assert (hb_add (5) (2) == 7);
  
    x = 1;
    hb_always_assert (++hb_inc (x) == 3);
    hb_always_assert (x == 3);
  
    hb_set_t set1 {1};
    hb_set_t set2 {2};
  
    hb_always_assert (hb_hash (set1) != hb_hash (set2));
    hb_always_assert (hb_hash (set1) == hb_hash (hb_set_t {1}));
    hb_always_assert (hb_hash (set1) != hb_hash (hb_set_t {}));
    hb_always_assert (hb_hash (set1) != hb_hash (hb_set_t {2}));
    hb_always_assert (hb_hash (set2) == hb_hash (hb_set_t {2}));
  
    /* hb_hash, unlike std::hash, dereferences pointers. */
    hb_always_assert (hb_hash (set1) == hb_hash (&set1));
    hb_always_assert (hb_hash (set1) == hb_hash (hb::shared_ptr<hb_set_t> {hb_set_reference (&set1)}));
    hb_always_assert (hb_hash (set1) == hb_hash (hb::unique_ptr<hb_set_t> {hb_set_reference (&set1)}));
  
    return 0;
  }
  

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