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115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/*
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* Copyright © 2011 Google, Inc.
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* Copyright © 2022 Behdad Esfahbod
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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/* This file tests that all headers can be included from C++ files,
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* as well as test the C++ API. */
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#define NO_MAIN
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#include "test-c.c"
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#undef NO_MAIN
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#ifdef HAVE_DIRECTWRITE
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#include <hb-directwrite.h>
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#endif
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/* Test C++ API. */
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#include "hb-cplusplus.hh"
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#include <cassert>
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#include <functional>
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#include <utility>
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static void
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test_smart_ptrs (void)
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{
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hb_buffer_t *b = hb_buffer_create ();
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hb::shared_ptr<hb_buffer_t> pb {b};
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/* Test copy-construction. */
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assert (bool (pb));
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hb::shared_ptr<hb_buffer_t> pb2 {pb};
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assert (bool (pb2));
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assert (bool (pb));
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/* Test move-construction. */
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assert (bool (pb2));
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hb::shared_ptr<hb_buffer_t> pb4 {std::move (pb2)};
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assert (!bool (pb2));
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assert (bool (pb4));
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/* Test copy-assignment. */
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hb::shared_ptr<hb_buffer_t> pb3;
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assert (!bool (pb3));
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pb3 = pb;
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assert (bool (pb3));
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assert (bool (pb));
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/* Test move-assignment. */
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assert (bool (pb));
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pb2 = std::move (pb);
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assert (!bool (pb));
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pb.reference ();
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pb.destroy ();
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pb3.reference ();
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pb3.destroy ();
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pb3.swap (pb4);
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hb_user_data_key_t key;
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pb.set_user_data (&key, b, nullptr, true);
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(void) pb.get_user_data (&key);
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hb::unique_ptr<hb_buffer_t> pb5 {pb3.reference ()};
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/* Test that shared_ptr / unique_ptr are std::hash'able, and that they
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* return the same hash (which is the underlying pointer's hash. */
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std::hash<hb_buffer_t *> hash {};
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std::hash<hb::shared_ptr<hb_buffer_t>> hash2 {};
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std::hash<hb::unique_ptr<hb_buffer_t>> hash3 {};
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assert (hash (b) == hash2 (pb4));
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assert (hash2 (pb4) == hash2 (pb2));
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assert (hash (b) == hash3 (pb5));
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g_assert_true (pb != pb.get_empty ());
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g_assert_true (pb != pb2);
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}
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int
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main (int argc, char **argv)
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{
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hb_test_init (&argc, &argv);
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hb_test_add (test_smart_ptrs);
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return hb_test_run ();
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}
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