test/tests.cc

   1 /*
   2     Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <cmath>
  21 #include <boost/filesystem.hpp>
  22 #include "KM_prng.h"
  23 #include "dcp.h"
  24 #include "util.h"
  25 #include "metadata.h"
  26 #include "types.h"
  27 #include "exceptions.h"
  28 #include "subtitle_asset.h"
  29 #include "picture_asset.h"
  30 #include "sound_asset.h"
  31 #include "reel.h"
  32
  33 #define BOOST_TEST_DYN_LINK
  34 #define BOOST_TEST_MODULE libdcp_test
  35 #include <boost/test/unit_test.hpp>
  36
  37 using std::string;
  38 using std::vector;
  39 using std::list;
  40 using boost::shared_ptr;
  41
  42 string
  43 j2c (int)
  44 {
  45         return "test/data/32x32_red_square.j2c";
  46 }
  47
  48 string
  49 wav (libdcp::Channel)
  50 {
  51         return "test/data/1s_24-bit_48k_silence.wav";
  52 }
  53
  54
  55 BOOST_AUTO_TEST_CASE (dcp_test)
  56 {
  57         Kumu::libdcp_test = true;
  58
  59         libdcp::Metadata* t = libdcp::Metadata::instance ();
  60         t->issuer = "OpenDCP 0.0.25";
  61         t->creator = "OpenDCP 0.0.25";
  62         t->company_name = "OpenDCP";
  63         t->product_name = "OpenDCP";
  64         t->product_version = "0.0.25";
  65         t->issue_date = "2012-07-17T04:45:18+00:00";
  66         boost::filesystem::remove_all ("build/test/foo");
  67         boost::filesystem::create_directories ("build/test/foo");
  68         libdcp::DCP d ("build/test/foo");
  69         shared_ptr<libdcp::CPL> cpl (new libdcp::CPL ("build/test/foo", "A Test DCP", libdcp::FEATURE, 24, 24));
  70
  71         shared_ptr<libdcp::MonoPictureAsset> mp (new libdcp::MonoPictureAsset (
  72                                                          j2c,
  73                                                          "build/test/foo",
  74                                                          "video.mxf",
  75                                                          &d.Progress,
  76                                                          24,
  77                                                          24,
  78                                                          32,
  79                                                          32
  80                                                          ));
  81
  82         shared_ptr<libdcp::SoundAsset> ms (new libdcp::SoundAsset (
  83                                                    wav,
  84                                                    "build/test/foo",
  85                                                    "audio.mxf",
  86                                                    &(d.Progress),
  87                                                    24,
  88                                                    24,
  89                                                    0,
  90                                                    2
  91                                                    ));
  92
  93         cpl->add_reel (shared_ptr<libdcp::Reel> (new libdcp::Reel (mp, ms, shared_ptr<libdcp::SubtitleAsset> ())));
  94         d.add_cpl (cpl);
  95
  96         d.write_xml ();
  97 }
  98
  99 BOOST_AUTO_TEST_CASE (error_test)
 100 {
 101         libdcp::DCP d ("build/test/bar");
 102         vector<string> p;
 103         p.push_back ("frobozz");
 104
 105         BOOST_CHECK_THROW (new libdcp::MonoPictureAsset (p, "build/test/bar", "video.mxf", &d.Progress, 24, 24, 32, 32), libdcp::FileError);
 106         BOOST_CHECK_THROW (new libdcp::SoundAsset (p, "build/test/bar", "audio.mxf", &d.Progress, 24, 24, 0), libdcp::FileError);
 107 }
 108
 109 BOOST_AUTO_TEST_CASE (read_dcp)
 110 {
 111         libdcp::DCP d ("test/ref/DCP");
 112         d.read ();
 113
 114         list<shared_ptr<const libdcp::CPL> > cpls = d.cpls ();
 115         BOOST_CHECK_EQUAL (cpls.size(), 1);
 116
 117         BOOST_CHECK_EQUAL (cpls.front()->name(), "A Test DCP");
 118         BOOST_CHECK_EQUAL (cpls.front()->content_kind(), libdcp::FEATURE);
 119         BOOST_CHECK_EQUAL (cpls.front()->frames_per_second(), 24);
 120         BOOST_CHECK_EQUAL (cpls.front()->length(), 24);
 121 }
 122
 123 BOOST_AUTO_TEST_CASE (subtitles1)
 124 {
 125         libdcp::SubtitleAsset subs ("test/data", "subs1.xml");
 126
 127         BOOST_CHECK_EQUAL (subs.language(), "French");
 128
 129         list<shared_ptr<libdcp::Subtitle> > s = subs.subtitles_at (libdcp::Time (0, 0, 6, 1));
 130         BOOST_CHECK_EQUAL (s.size(), 1);
 131         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 132                                    "Arial",
 133                                    false,
 134                                    libdcp::Color (255, 255, 255),
 135                                    39,
 136                                    libdcp::Time (0, 0, 5, 198),
 137                                    libdcp::Time (0, 0, 7, 115),
 138                                    15,
 139                                    libdcp::BOTTOM,
 140                                    "My jacket was Idi Amin's",
 141                                    libdcp::BORDER,
 142                                    libdcp::Color (0, 0, 0),
 143                                    libdcp::Time (0, 0, 0, 1),
 144                                    libdcp::Time (0, 0, 0, 1)
 145                                    ));
 146
 147         s = subs.subtitles_at (libdcp::Time (0, 0, 7, 190));
 148         BOOST_CHECK_EQUAL (s.size(), 2);
 149         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 150                                    "Arial",
 151                                    true,
 152                                    libdcp::Color (255, 255, 255),
 153                                    39,
 154                                    libdcp::Time (0, 0, 7, 177),
 155                                    libdcp::Time (0, 0, 11, 31),
 156                                    21,
 157                                    libdcp::BOTTOM,
 158                                    "My corset was H.M. The Queen's",
 159                                    libdcp::BORDER,
 160                                    libdcp::Color (0, 0, 0),
 161                                    libdcp::Time (0, 0, 0, 1),
 162                                    libdcp::Time (0, 0, 0, 1)
 163                                    ));
 164         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 165                                    "Arial",
 166                                    false,
 167                                    libdcp::Color (255, 255, 255),
 168                                    39,
 169                                    libdcp::Time (0, 0, 7, 177),
 170                                    libdcp::Time (0, 0, 11, 31),
 171                                    15,
 172                                    libdcp::BOTTOM,
 173                                    "My large wonderbra",
 174                                    libdcp::BORDER,
 175                                    libdcp::Color (0, 0, 0),
 176                                    libdcp::Time (0, 0, 0, 1),
 177                                    libdcp::Time (0, 0, 0, 1)
 178                                    ));
 179
 180         s = subs.subtitles_at (libdcp::Time (0, 0, 11, 95));
 181         BOOST_CHECK_EQUAL (s.size(), 1);
 182         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 183                                    "Arial",
 184                                    false,
 185                                    libdcp::Color (255, 255, 255),
 186                                    39,
 187                                    libdcp::Time (0, 0, 11, 94),
 188                                    libdcp::Time (0, 0, 13, 63),
 189                                    15,
 190                                    libdcp::BOTTOM,
 191                                    "Once belonged to the Shah",
 192                                    libdcp::BORDER,
 193                                    libdcp::Color (0, 0, 0),
 194                                    libdcp::Time (0, 0, 0, 1),
 195                                    libdcp::Time (0, 0, 0, 1)
 196                                    ));
 197
 198         s = subs.subtitles_at (libdcp::Time (0, 0, 14, 42));
 199         BOOST_CHECK_EQUAL (s.size(), 1);
 200         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 201                                    "Arial",
 202                                    false,
 203                                    libdcp::Color (255, 255, 255),
 204                                    39,
 205                                    libdcp::Time (0, 0, 13, 104),
 206                                    libdcp::Time (0, 0, 15, 177),
 207                                    15,
 208                                    libdcp::BOTTOM,
 209                                    "And these are Roy Hattersley's jeans",
 210                                    libdcp::BORDER,
 211                                    libdcp::Color (0, 0, 0),
 212                                    libdcp::Time (0, 0, 0, 1),
 213                                    libdcp::Time (0, 0, 0, 1)
 214                                    ));
 215 }
 216
 217 BOOST_AUTO_TEST_CASE (subtitles2)
 218 {
 219         libdcp::SubtitleAsset subs ("test/data", "subs2.xml");
 220
 221         list<shared_ptr<libdcp::Subtitle> > s = subs.subtitles_at (libdcp::Time (0, 0, 42, 100));
 222         BOOST_CHECK_EQUAL (s.size(), 2);
 223         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 224                                    "Arial",
 225                                    true,
 226                                    libdcp::Color (255, 255, 255),
 227                                    42,
 228                                    libdcp::Time (0, 0, 41, 62),
 229                                    libdcp::Time (0, 0, 43, 52),
 230                                    89,
 231                                    libdcp::TOP,
 232                                    "At afternoon tea with John Peel",
 233                                    libdcp::BORDER,
 234                                    libdcp::Color (0, 0, 0),
 235                                    libdcp::Time (0, 0, 0, 0),
 236                                    libdcp::Time (0, 0, 0, 0)
 237                                    ));
 238         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 239                                    "Arial",
 240                                    true,
 241                                    libdcp::Color (255, 255, 255),
 242                                    42,
 243                                    libdcp::Time (0, 0, 41, 62),
 244                                    libdcp::Time (0, 0, 43, 52),
 245                                    95,
 246                                    libdcp::TOP,
 247                                    "I enquired if his accent was real",
 248                                    libdcp::BORDER,
 249                                    libdcp::Color (0, 0, 0),
 250                                    libdcp::Time (0, 0, 0, 0),
 251                                    libdcp::Time (0, 0, 0, 0)
 252                                    ));
 253
 254         s = subs.subtitles_at (libdcp::Time (0, 0, 50, 50));
 255         BOOST_CHECK_EQUAL (s.size(), 2);
 256         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 257                                    "Arial",
 258                                    true,
 259                                    libdcp::Color (255, 255, 255),
 260                                    42,
 261                                    libdcp::Time (0, 0, 50, 42),
 262                                    libdcp::Time (0, 0, 52, 21),
 263                                    89,
 264                                    libdcp::TOP,
 265                                    "He said \"out of the house",
 266                                    libdcp::BORDER,
 267                                    libdcp::Color (0, 0, 0),
 268                                    libdcp::Time (0, 0, 0, 0),
 269                                    libdcp::Time (0, 0, 0, 0)
 270                                    ));
 271         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 272                                    "Arial",
 273                                    true,
 274                                    libdcp::Color (255, 255, 255),
 275                                    42,
 276                                    libdcp::Time (0, 0, 50, 42),
 277                                    libdcp::Time (0, 0, 52, 21),
 278                                    95,
 279                                    libdcp::TOP,
 280                                    "I'm incredibly scouse",
 281                                    libdcp::BORDER,
 282                                    libdcp::Color (0, 0, 0),
 283                                    libdcp::Time (0, 0, 0, 0),
 284                                    libdcp::Time (0, 0, 0, 0)
 285                                    ));
 286
 287         s = subs.subtitles_at (libdcp::Time (0, 1, 2, 300));
 288         BOOST_CHECK_EQUAL (s.size(), 2);
 289         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 290                                    "Arial",
 291                                    true,
 292                                    libdcp::Color (255, 255, 255),
 293                                    42,
 294                                    libdcp::Time (0, 1, 2, 208),
 295                                    libdcp::Time (0, 1, 4, 10),
 296                                    89,
 297                                    libdcp::TOP,
 298                                    "At home it depends how I feel.\"",
 299                                    libdcp::BORDER,
 300                                    libdcp::Color (0, 0, 0),
 301                                    libdcp::Time (0, 0, 0, 0),
 302                                    libdcp::Time (0, 0, 0, 0)
 303                                    ));
 304         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 305                                    "Arial",
 306                                    true,
 307                                    libdcp::Color (255, 255, 255),
 308                                    42,
 309                                    libdcp::Time (0, 1, 2, 208),
 310                                    libdcp::Time (0, 1, 4, 10),
 311                                    95,
 312                                    libdcp::TOP,
 313                                    "I spent a long weekend in Brighton",
 314                                    libdcp::BORDER,
 315                                    libdcp::Color (0, 0, 0),
 316                                    libdcp::Time (0, 0, 0, 0),
 317                                    libdcp::Time (0, 0, 0, 0)
 318                                    ));
 319
 320         s = subs.subtitles_at (libdcp::Time (0, 1, 15, 50));
 321         BOOST_CHECK_EQUAL (s.size(), 2);
 322         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 323                                    "Arial",
 324                                    true,
 325                                    libdcp::Color (255, 255, 255),
 326                                    42,
 327                                    libdcp::Time (0, 1, 15, 42),
 328                                    libdcp::Time (0, 1, 16, 42),
 329                                    89,
 330                                    libdcp::TOP,
 331                                    "With the legendary Miss Enid Blyton",
 332                                    libdcp::BORDER,
 333                                    libdcp::Color (0, 0, 0),
 334                                    libdcp::Time (0, 0, 0, 0),
 335                                    libdcp::Time (0, 0, 0, 0)
 336                                    ));
 337         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 338                                    "Arial",
 339                                    true,
 340                                    libdcp::Color (255, 255, 255),
 341                                    42,
 342                                    libdcp::Time (0, 1, 15, 42),
 343                                    libdcp::Time (0, 1, 16, 42),
 344                                    95,
 345                                    libdcp::TOP,
 346                                    "She said \"you be Noddy",
 347                                    libdcp::BORDER,
 348                                    libdcp::Color (0, 0, 0),
 349                                    libdcp::Time (0, 0, 0, 0),
 350                                    libdcp::Time (0, 0, 0, 0)
 351                                    ));
 352
 353         s = subs.subtitles_at (libdcp::Time (0, 1, 27, 200));
 354         BOOST_CHECK_EQUAL (s.size(), 2);
 355         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 356                                    "Arial",
 357                                    true,
 358                                    libdcp::Color (255, 255, 255),
 359                                    42,
 360                                    libdcp::Time (0, 1, 27, 115),
 361                                    libdcp::Time (0, 1, 28, 208),
 362                                    89,
 363                                    libdcp::TOP,
 364                                    "That curious creature the Sphinx",
 365                                    libdcp::BORDER,
 366                                    libdcp::Color (0, 0, 0),
 367                                    libdcp::Time (0, 0, 0, 0),
 368                                    libdcp::Time (0, 0, 0, 0)
 369                                    ));
 370         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 371                                    "Arial",
 372                                    true,
 373                                    libdcp::Color (255, 255, 255),
 374                                    42,
 375                                    libdcp::Time (0, 1, 27, 115),
 376                                    libdcp::Time (0, 1, 28, 208),
 377                                    95,
 378                                    libdcp::TOP,
 379                                    "Is smarter than anyone thinks",
 380                                    libdcp::BORDER,
 381                                    libdcp::Color (0, 0, 0),
 382                                    libdcp::Time (0, 0, 0, 0),
 383                                    libdcp::Time (0, 0, 0, 0)
 384                                    ));
 385
 386         s = subs.subtitles_at (libdcp::Time (0, 1, 42, 300));
 387         BOOST_CHECK_EQUAL (s.size(), 2);
 388         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 389                                    "Arial",
 390                                    false,
 391                                    libdcp::Color (255, 255, 255),
 392                                    42,
 393                                    libdcp::Time (0, 1, 42, 229),
 394                                    libdcp::Time (0, 1, 45, 62),
 395                                    89,
 396                                    libdcp::TOP,
 397                                    "It sits there and smirks",
 398                                    libdcp::BORDER,
 399                                    libdcp::Color (0, 0, 0),
 400                                    libdcp::Time (0, 0, 0, 0),
 401                                    libdcp::Time (0, 0, 0, 0)
 402                                    ));
 403         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 404                                    "Arial",
 405                                    false,
 406                                    libdcp::Color (255, 255, 255),
 407                                    42,
 408                                    libdcp::Time (0, 1, 42, 229),
 409                                    libdcp::Time (0, 1, 45, 62),
 410                                    95,
 411                                    libdcp::TOP,
 412                                    "And you don't think it works",
 413                                    libdcp::BORDER,
 414                                    libdcp::Color (0, 0, 0),
 415                                    libdcp::Time (0, 0, 0, 0),
 416                                    libdcp::Time (0, 0, 0, 0)
 417                                    ));
 418
 419         s = subs.subtitles_at (libdcp::Time (0, 1, 45, 200));
 420         BOOST_CHECK_EQUAL (s.size(), 2);
 421         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 422                                    "Arial",
 423                                    false,
 424                                    libdcp::Color (255, 255, 255),
 425                                    42,
 426                                    libdcp::Time (0, 1, 45, 146),
 427                                    libdcp::Time (0, 1, 47, 94),
 428                                    89,
 429                                    libdcp::TOP,
 430                                    "Then when you're not looking, it winks.",
 431                                    libdcp::BORDER,
 432                                    libdcp::Color (0, 0, 0),
 433                                    libdcp::Time (0, 0, 0, 0),
 434                                    libdcp::Time (0, 0, 0, 0)
 435                                    ));
 436         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 437                                    "Arial",
 438                                    false,
 439                                    libdcp::Color (255, 255, 255),
 440                                    42,
 441                                    libdcp::Time (0, 1, 45, 146),
 442                                    libdcp::Time (0, 1, 47, 94),
 443                                    95,
 444                                    libdcp::TOP,
 445                                    "When it snows you will find Sister Sledge",
 446                                    libdcp::BORDER,
 447                                    libdcp::Color (0, 0, 0),
 448                                    libdcp::Time (0, 0, 0, 0),
 449                                    libdcp::Time (0, 0, 0, 0)
 450                                    ));
 451
 452         s = subs.subtitles_at (libdcp::Time (0, 1, 47, 249));
 453         BOOST_CHECK_EQUAL (s.size(), 2);
 454         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 455                                    "Arial",
 456                                    false,
 457                                    libdcp::Color (255, 255, 255),
 458                                    42,
 459                                    libdcp::Time (0, 1, 47, 146),
 460                                    libdcp::Time (0, 1, 48, 167),
 461                                    89,
 462                                    libdcp::TOP,
 463                                    "Out mooning, at night, on the ledge",
 464                                    libdcp::BORDER,
 465                                    libdcp::Color (0, 0, 0),
 466                                    libdcp::Time (0, 0, 0, 0),
 467                                    libdcp::Time (0, 0, 0, 0)
 468                                    ));
 469         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 470                                    "Arial",
 471                                    false,
 472                                    libdcp::Color (255, 255, 255),
 473                                    42,
 474                                    libdcp::Time (0, 1, 47, 146),
 475                                    libdcp::Time (0, 1, 48, 167),
 476                                    95,
 477                                    libdcp::TOP,
 478                                    "One storey down",
 479                                    libdcp::BORDER,
 480                                    libdcp::Color (0, 0, 0),
 481                                    libdcp::Time (0, 0, 0, 0),
 482                                    libdcp::Time (0, 0, 0, 0)
 483                                    ));
 484
 485         s = subs.subtitles_at (libdcp::Time (0, 2, 6, 210));
 486         BOOST_CHECK_EQUAL (s.size(), 2);
 487         BOOST_CHECK_EQUAL (*(s.front().get()), libdcp::Subtitle (
 488                                    "Arial",
 489                                    true,
 490                                    libdcp::Color (255, 255, 255),
 491                                    42,
 492                                    libdcp::Time (0, 2, 5, 208),
 493                                    libdcp::Time (0, 2, 7, 31),
 494                                    89,
 495                                    libdcp::TOP,
 496                                    "HELLO",
 497                                    libdcp::BORDER,
 498                                    libdcp::Color (0, 0, 0),
 499                                    libdcp::Time (0, 0, 0, 0),
 500                                    libdcp::Time (0, 0, 0, 0)
 501                                    ));
 502         BOOST_CHECK_EQUAL (*(s.back().get()), libdcp::Subtitle (
 503                                    "Arial",
 504                                    true,
 505                                    libdcp::Color (255, 255, 255),
 506                                    42,
 507                                    libdcp::Time (0, 2, 5, 208),
 508                                    libdcp::Time (0, 2, 7, 31),
 509                                    95,
 510                                    libdcp::TOP,
 511                                    "WORLD",
 512                                    libdcp::BORDER,
 513                                    libdcp::Color (0, 0, 0),
 514                                    libdcp::Time (0, 0, 0, 0),
 515                                    libdcp::Time (0, 0, 0, 0)
 516                                    ));
 517
 518
 519
 520 }
 521
 522 BOOST_AUTO_TEST_CASE (dcp_time)
 523 {
 524         libdcp::Time t (977143, 24);
 525
 526         BOOST_CHECK_EQUAL (t.t, 73);
 527         BOOST_CHECK_EQUAL (t.s, 34);
 528         BOOST_CHECK_EQUAL (t.m, 18);
 529         BOOST_CHECK_EQUAL (t.h, 11);
 530         BOOST_CHECK_EQUAL (t.to_string(), "11:18:34:73");
 531         BOOST_CHECK_EQUAL (t.to_ticks(), 1017923);
 532
 533         libdcp::Time a (3, 2, 3, 4);
 534         libdcp::Time b (2, 3, 4, 5);
 535
 536         libdcp::Time r = a - b;
 537         BOOST_CHECK_EQUAL (r.h, 0);
 538         BOOST_CHECK_EQUAL (r.m, 58);
 539         BOOST_CHECK_EQUAL (r.s, 58);
 540         BOOST_CHECK_EQUAL (r.t, 249);
 541         BOOST_CHECK_EQUAL (r.to_string(), "0:58:58:249");
 542         BOOST_CHECK_EQUAL (r.to_ticks(), 88699);
 543
 544         a = libdcp::Time (1, 58, 56, 240);
 545         b = libdcp::Time (1, 7, 12, 120);
 546         r = a + b;
 547         BOOST_CHECK_EQUAL (r.h, 3);
 548         BOOST_CHECK_EQUAL (r.m, 6);
 549         BOOST_CHECK_EQUAL (r.s, 9);
 550         BOOST_CHECK_EQUAL (r.t, 110);
 551         BOOST_CHECK_EQUAL (r.to_string(), "3:6:9:110");
 552         BOOST_CHECK_EQUAL (r.to_ticks(), 279335);
 553
 554         a = libdcp::Time (24, 12, 6, 3);
 555         b = libdcp::Time (16, 8, 4, 2);
 556         BOOST_CHECK_CLOSE (a / b, 1.5, 1e-5);
 557 }
 558
 559 BOOST_AUTO_TEST_CASE (color)
 560 {
 561         libdcp::Color c ("FFFF0000");
 562
 563         BOOST_CHECK_EQUAL (c.r, 255);
 564         BOOST_CHECK_EQUAL (c.g, 0);
 565         BOOST_CHECK_EQUAL (c.b, 0);
 566         BOOST_CHECK_EQUAL (c.to_argb_string(), "FFFF0000");
 567
 568         c = libdcp::Color ("FF00FF00");
 569
 570         BOOST_CHECK_EQUAL (c.r, 0);
 571         BOOST_CHECK_EQUAL (c.g, 255);
 572         BOOST_CHECK_EQUAL (c.b, 0);
 573         BOOST_CHECK_EQUAL (c.to_argb_string(), "FF00FF00");
 574
 575         c = libdcp::Color ("FF0000FF");
 576
 577         BOOST_CHECK_EQUAL (c.r, 0);
 578         BOOST_CHECK_EQUAL (c.g, 0);
 579         BOOST_CHECK_EQUAL (c.b, 255);
 580         BOOST_CHECK_EQUAL (c.to_argb_string(), "FF0000FF");
 581
 582 }