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