kc3-lang/harfbuzz/test/api/test-cplusplus.cc

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• Hash : 155e1e63
  Author :
  Date : 2025-04-06T03:49:15
  

  [test/api] Use g_assert_true instead of g_assert
  
  The latter terminates the program. The former marks the test
  as failing.
  

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• test/api/test-cplusplus.cc

• /*
   * Copyright © 2011  Google, Inc.
   * Copyright © 2022  Behdad Esfahbod
   *
   *  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): Behdad Esfahbod
   */
  
  /* This file tests that all headers can be included from C++ files,
   * as well as test the C++ API. */
  
  #define NO_MAIN
  #include "test-c.c"
  #undef NO_MAIN
  
  #ifdef HAVE_DIRECTWRITE
  #include <hb-directwrite.h>
  #endif
  
  
  /* Test C++ API. */
  
  #include "hb-cplusplus.hh"
  
  #include <cassert>
  #include <functional>
  #include <utility>
  
  static void
  test_smart_ptrs (void)
  {
    hb_buffer_t *b = hb_buffer_create ();
    hb::shared_ptr<hb_buffer_t> pb {b};
  
    /* Test copy-construction. */
    assert (bool (pb));
    hb::shared_ptr<hb_buffer_t> pb2 {pb};
    assert (bool (pb2));
    assert (bool (pb));
  
    /* Test move-construction. */
    assert (bool (pb2));
    hb::shared_ptr<hb_buffer_t> pb4 {std::move (pb2)};
    assert (!bool (pb2));
    assert (bool (pb4));
  
    /* Test copy-assignment. */
    hb::shared_ptr<hb_buffer_t> pb3;
    assert (!bool (pb3));
    pb3 = pb;
    assert (bool (pb3));
    assert (bool (pb));
  
    /* Test move-assignment. */
    assert (bool (pb));
    pb2 = std::move (pb);
    assert (!bool (pb));
  
    pb.reference ();
    pb.destroy ();
  
    pb3.reference ();
    pb3.destroy ();
  
    pb3.swap (pb4);
  
    hb_user_data_key_t key;
    pb.set_user_data (&key, b, nullptr, true);
    (void) pb.get_user_data (&key);
  
    hb::unique_ptr<hb_buffer_t> pb5 {pb3.reference ()};
  
  
    /* Test that shared_ptr / unique_ptr are std::hash'able, and that they
     * return the same hash (which is the underlying pointer's hash. */
    std::hash<hb_buffer_t *> hash {};
    std::hash<hb::shared_ptr<hb_buffer_t>> hash2 {};
    std::hash<hb::unique_ptr<hb_buffer_t>> hash3 {};
  
    assert (hash (b) == hash2 (pb4));
    assert (hash2 (pb4) == hash2 (pb2));
    assert (hash (b) == hash3 (pb5));
  
    g_assert_true (pb != pb.get_empty ());
    g_assert_true (pb != pb2);
  }
  
  int
  main (int argc, char **argv)
  {
    hb_test_init (&argc, &argv);
  
    hb_test_add (test_smart_ptrs);
  
    return hb_test_run ();
  }
  

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