Fill test disk partitions with random noise to expose more bugs.
[dcpomatic.git] / test / required_disk_space_test.cc
1 /*
2     Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
3
4     This file is part of DCP-o-matic.
5
6     DCP-o-matic is free software; you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by
8     the Free Software Foundation; either version 2 of the License, or
9     (at your option) any later version.
10
11     DCP-o-matic is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14     GNU General Public License for more details.
15
16     You should have received a copy of the GNU General Public License
17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
18
19 */
20
21
22 /** @file  test/required_disk_space_test.cc
23  *  @brief Check Film::required_disk_space
24  *  @ingroup selfcontained
25  */
26
27
28 #include "lib/content_factory.h"
29 #include "lib/dcp_content.h"
30 #include "lib/film.h"
31 #include "test.h"
32 #include <boost/test/unit_test.hpp>
33
34
35 using std::dynamic_pointer_cast;
36 using std::make_shared;
37 using std::shared_ptr;
38
39
40 void check_within_n (int64_t a, int64_t b, int64_t n)
41 {
42         BOOST_CHECK_MESSAGE (abs(a - b) <= n, "Estimated " << a << " differs from reference " << b << " by more than " << n);
43 }
44
45
46 BOOST_AUTO_TEST_CASE (required_disk_space_test)
47 {
48         auto film = new_test_film ("required_disk_space_test");
49         film->set_j2k_bandwidth (100000000);
50         film->set_audio_channels (6);
51         film->set_reel_type (ReelType::BY_VIDEO_CONTENT);
52         auto content_a = content_factory("test/data/flat_blue.png").front();
53         BOOST_REQUIRE (content_a);
54         film->examine_and_add_content (content_a);
55         auto content_b = make_shared<DCPContent>("test/data/burnt_subtitle_test_dcp");
56         film->examine_and_add_content (content_b);
57         BOOST_REQUIRE (!wait_for_jobs());
58         film->write_metadata ();
59
60         check_within_n (
61                 film->required_disk_space(),
62                 289LL * (100000000 / 8) / 24 +  // video
63                 289LL * 48000 * 6 * 3 / 24 +    // audio
64                 65536,                          // extra
65                 16
66                 );
67
68         content_b->set_reference_video (true);
69
70         check_within_n (
71                 film->required_disk_space(),
72                 240LL * (100000000 / 8) / 24 +  // video
73                 289LL * 48000 * 6 * 3 / 24 +    // audio
74                 65536,                          // extra
75                 16
76                 );
77
78         content_b->set_reference_audio (true);
79
80         check_within_n (
81                 film->required_disk_space(),
82                 240LL * (100000000 / 8) / 24 +  // video
83                 240LL * 48000 * 6 * 3 / 24 +    // audio
84                 65536,                          // extra
85                 16
86                 );
87 }