#include <iostream>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string/predicate.hpp>
+#include <boost/date_time.hpp>
#include "format.h"
#include "film.h"
#include "filter.h"
setup_test_config ()
{
Config::instance()->set_num_local_encoding_threads (1);
- Config::instance()->set_colour_lut_index (0);
- Config::instance()->set_j2k_bandwidth (200000000);
Config::instance()->set_servers (vector<ServerDescription*> ());
Config::instance()->set_server_port (61920);
+ Config::instance()->set_default_dci_metadata (DCIMetadata ());
+}
+
+boost::filesystem::path
+test_film_dir (string name)
+{
+ boost::filesystem::path p;
+ p /= "build";
+ p /= "test";
+ p /= name;
+ return p;
}
shared_ptr<Film>
new_test_film (string name)
{
- string const d = String::compose ("build/test/%1", name);
- if (boost::filesystem::exists (d)) {
- boost::filesystem::remove_all (d);
+ boost::filesystem::path p = test_film_dir (name);
+ if (boost::filesystem::exists (p)) {
+ boost::filesystem::remove_all (p);
}
- return shared_ptr<Film> (new Film (d, false));
+
+ return shared_ptr<Film> (new Film (p.string(), false));
}
-BOOST_AUTO_TEST_CASE (film_metadata_test)
+
+/* Check that Image::make_black works, and doesn't use values which crash
+ sws_scale().
+*/
+BOOST_AUTO_TEST_CASE (make_black_test)
{
+ /* This needs to happen in the first test */
dvdomatic_setup ();
+
+ libdcp::Size in_size (512, 512);
+ libdcp::Size out_size (1024, 1024);
+
+ list<AVPixelFormat> pix_fmts;
+ pix_fmts.push_back (AV_PIX_FMT_RGB24);
+ pix_fmts.push_back (AV_PIX_FMT_YUV420P);
+ pix_fmts.push_back (AV_PIX_FMT_YUV422P10LE);
+ pix_fmts.push_back (AV_PIX_FMT_YUV444P9LE);
+ pix_fmts.push_back (AV_PIX_FMT_YUV444P9BE);
+ pix_fmts.push_back (AV_PIX_FMT_YUV444P10LE);
+ pix_fmts.push_back (AV_PIX_FMT_YUV444P10BE);
+
+ int N = 0;
+ for (list<AVPixelFormat>::const_iterator i = pix_fmts.begin(); i != pix_fmts.end(); ++i) {
+ boost::shared_ptr<Image> foo (new SimpleImage (*i, in_size, true));
+ foo->make_black ();
+ boost::shared_ptr<Image> bar = foo->scale_and_convert_to_rgb (out_size, 0, Scaler::from_id ("bicubic"), true);
+
+ uint8_t* p = bar->data()[0];
+ for (int y = 0; y < bar->size().height; ++y) {
+ uint8_t* q = p;
+ for (int x = 0; x < bar->line_size()[0]; ++x) {
+ BOOST_CHECK_EQUAL (*q++, 0);
+ }
+ p += bar->stride()[0];
+ }
+
+ ++N;
+ }
+}
+
+BOOST_AUTO_TEST_CASE (film_metadata_test)
+{
setup_test_config ();
string const test_film = "build/test/film_metadata_test";
BOOST_CHECK_THROW (new Film (test_film, true), OpenFileError);
shared_ptr<Film> f (new Film (test_film, false));
+ f->_dci_date = boost::gregorian::from_undelimited_string ("20130211");
BOOST_CHECK (f->format() == 0);
BOOST_CHECK (f->dcp_content_type() == 0);
BOOST_CHECK (f->filters ().empty());
f_filters.push_back (Filter::from_id ("pphb"));
f_filters.push_back (Filter::from_id ("unsharp"));
f->set_filters (f_filters);
- f->set_dcp_trim_start (42);
- f->set_dcp_trim_end (99);
+ f->set_trim_start (42);
+ f->set_trim_end (99);
f->set_dcp_ab (true);
f->write_metadata ();
BOOST_CHECK_EQUAL (g_filters.size(), 2);
BOOST_CHECK_EQUAL (g_filters.front(), Filter::from_id ("pphb"));
BOOST_CHECK_EQUAL (g_filters.back(), Filter::from_id ("unsharp"));
- BOOST_CHECK_EQUAL (g->dcp_trim_start(), 42);
- BOOST_CHECK_EQUAL (g->dcp_trim_end(), 99);
+ BOOST_CHECK_EQUAL (g->trim_start(), 42);
+ BOOST_CHECK_EQUAL (g->trim_end(), 99);
BOOST_CHECK_EQUAL (g->dcp_ab(), true);
g->write_metadata ();
}
void
-do_remote_encode (shared_ptr<DCPVideoFrame> frame, ServerDescription* description, shared_ptr<EncodedData> locally_encoded, int N)
+do_remote_encode (shared_ptr<DCPVideoFrame> frame, ServerDescription* description, shared_ptr<EncodedData> locally_encoded)
{
shared_ptr<EncodedData> remotely_encoded;
BOOST_CHECK_NO_THROW (remotely_encoded = frame->encode_remotely (description));
BOOST_AUTO_TEST_CASE (client_server_test)
{
- shared_ptr<Image> image (new CompactImage (PIX_FMT_RGB24, Size (1998, 1080)));
+ shared_ptr<Image> image (new SimpleImage (PIX_FMT_RGB24, libdcp::Size (1998, 1080), true));
uint8_t* p = image->data()[0];
for (int y = 0; y < 1080; ++y) {
+ uint8_t* q = p;
for (int x = 0; x < 1998; ++x) {
- *p++ = x % 256;
- *p++ = y % 256;
- *p++ = (x + y) % 256;
+ *q++ = x % 256;
+ *q++ = y % 256;
+ *q++ = (x + y) % 256;
}
+ p += image->stride()[0];
}
- shared_ptr<Image> sub_image (new CompactImage (PIX_FMT_RGBA, Size (100, 200)));
+ shared_ptr<Image> sub_image (new SimpleImage (PIX_FMT_RGBA, libdcp::Size (100, 200), true));
p = sub_image->data()[0];
for (int y = 0; y < 200; ++y) {
+ uint8_t* q = p;
for (int x = 0; x < 100; ++x) {
- *p++ = y % 256;
- *p++ = x % 256;
- *p++ = (x + y) % 256;
- *p++ = 1;
+ *q++ = y % 256;
+ *q++ = x % 256;
+ *q++ = (x + y) % 256;
+ *q++ = 1;
}
+ p += sub_image->stride()[0];
}
shared_ptr<Subtitle> subtitle (new Subtitle (Position (50, 60), sub_image));
new DCPVideoFrame (
image,
subtitle,
- Size (1998, 1080),
+ libdcp::Size (1998, 1080),
0,
0,
1,
list<thread*> threads;
for (int i = 0; i < 8; ++i) {
- threads.push_back (new thread (boost::bind (do_remote_encode, frame, &description, locally_encoded, i)));
+ threads.push_back (new thread (boost::bind (do_remote_encode, frame, &description, locally_encoded)));
}
for (list<thread*>::iterator i = threads.begin(); i != threads.end(); ++i) {
film->set_content ("../../../test/test.mp4");
film->set_format (Format::from_nickname ("Flat"));
film->set_dcp_content_type (DCPContentType::from_pretty_name ("Test"));
- film->make_dcp (true);
+ film->make_dcp ();
+ film->write_metadata ();
while (JobManager::instance()->work_to_do ()) {
dvdomatic_sleep (1);
BOOST_CHECK_EQUAL (JobManager::instance()->errors(), false);
}
+/** Test Film::have_dcp(). Requires the output from make_dcp_test above */
+BOOST_AUTO_TEST_CASE (have_dcp_test)
+{
+ boost::filesystem::path p = test_film_dir ("make_dcp_test");
+ Film f (p.string ());
+ BOOST_CHECK (f.have_dcp());
+
+ p /= f.dcp_name();
+ p /= "video.mxf";
+ boost::filesystem::remove (p);
+ BOOST_CHECK (!f.have_dcp ());
+}
+
BOOST_AUTO_TEST_CASE (make_dcp_with_range_test)
{
shared_ptr<Film> film = new_test_film ("make_dcp_with_range_test");
film->examine_content ();
film->set_format (Format::from_nickname ("Flat"));
film->set_dcp_content_type (DCPContentType::from_pretty_name ("Test"));
- film->set_dcp_trim_end (42);
- film->make_dcp (true);
+ film->set_trim_end (42);
+ film->make_dcp ();
while (JobManager::instance()->work_to_do() && !JobManager::instance()->errors()) {
dvdomatic_sleep (1);
BOOST_CHECK_EQUAL (JobManager::instance()->errors(), false);
}
+/* Test best_dcp_frame_rate and FrameRateConversion */
+BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test)
+{
+ /* Run some tests with a limited range of allowed rates */
+
+ std::list<int> afr;
+ afr.push_back (24);
+ afr.push_back (25);
+ afr.push_back (30);
+ Config::instance()->set_allowed_dcp_frame_rates (afr);
+
+ int best = best_dcp_frame_rate (60);
+ FrameRateConversion frc = FrameRateConversion (60, best);
+ BOOST_CHECK_EQUAL (best, 30);
+ BOOST_CHECK_EQUAL (frc.skip, true);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (50);
+ frc = FrameRateConversion (50, best);
+ BOOST_CHECK_EQUAL (best, 25);
+ BOOST_CHECK_EQUAL (frc.skip, true);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (48);
+ frc = FrameRateConversion (48, best);
+ BOOST_CHECK_EQUAL (best, 24);
+ BOOST_CHECK_EQUAL (frc.skip, true);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (30);
+ frc = FrameRateConversion (30, best);
+ BOOST_CHECK_EQUAL (best, 30);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (29.97);
+ frc = FrameRateConversion (29.97, best);
+ BOOST_CHECK_EQUAL (best, 30);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+ best = best_dcp_frame_rate (25);
+ frc = FrameRateConversion (25, best);
+ BOOST_CHECK_EQUAL (best, 25);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (24);
+ frc = FrameRateConversion (24, best);
+ BOOST_CHECK_EQUAL (best, 24);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (14.5);
+ frc = FrameRateConversion (14.5, best);
+ BOOST_CHECK_EQUAL (best, 30);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, true);
+ BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+ best = best_dcp_frame_rate (12.6);
+ frc = FrameRateConversion (12.6, best);
+ BOOST_CHECK_EQUAL (best, 25);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, true);
+ BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+ best = best_dcp_frame_rate (12.4);
+ frc = FrameRateConversion (12.4, best);
+ BOOST_CHECK_EQUAL (best, 25);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, true);
+ BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+ best = best_dcp_frame_rate (12);
+ frc = FrameRateConversion (12, best);
+ BOOST_CHECK_EQUAL (best, 24);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, true);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ /* Now add some more rates and see if it will use them
+ in preference to skip/repeat.
+ */
+
+ afr.push_back (48);
+ afr.push_back (50);
+ afr.push_back (60);
+ Config::instance()->set_allowed_dcp_frame_rates (afr);
+
+ best = best_dcp_frame_rate (60);
+ frc = FrameRateConversion (60, best);
+ BOOST_CHECK_EQUAL (best, 60);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (50);
+ frc = FrameRateConversion (50, best);
+ BOOST_CHECK_EQUAL (best, 50);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ best = best_dcp_frame_rate (48);
+ frc = FrameRateConversion (48, best);
+ BOOST_CHECK_EQUAL (best, 48);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+ /* Check some out-there conversions (not the best) */
+
+ frc = FrameRateConversion (14.99, 24);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, true);
+ BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+ /* Check some conversions with limited DCP targets */
+
+ afr.clear ();
+ afr.push_back (24);
+ Config::instance()->set_allowed_dcp_frame_rates (afr);
+
+ best = best_dcp_frame_rate (25);
+ frc = FrameRateConversion (25, best);
+ BOOST_CHECK_EQUAL (best, 24);
+ BOOST_CHECK_EQUAL (frc.skip, false);
+ BOOST_CHECK_EQUAL (frc.repeat, false);
+ BOOST_CHECK_EQUAL (frc.change_speed, true);
+}
+
BOOST_AUTO_TEST_CASE (audio_sampling_rate_test)
{
+ std::list<int> afr;
+ afr.push_back (24);
+ afr.push_back (25);
+ afr.push_back (30);
+ Config::instance()->set_allowed_dcp_frame_rates (afr);
+
shared_ptr<Film> f = new_test_film ("audio_sampling_rate_test");
- f->set_frames_per_second (24);
+ f->set_source_frame_rate (24);
+ f->set_dcp_frame_rate (24);
f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 48000);
f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 80000, 0)));
BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 96000);
- f->set_frames_per_second (23.976);
+ f->set_source_frame_rate (23.976);
+ f->set_dcp_frame_rate (best_dcp_frame_rate (23.976));
f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 47952);
- f->set_frames_per_second (29.97);
+ f->set_source_frame_rate (29.97);
+ f->set_dcp_frame_rate (best_dcp_frame_rate (29.97));
+ BOOST_CHECK_EQUAL (f->dcp_frame_rate (), 30);
f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 47952);
+
+ f->set_source_frame_rate (25);
+ f->set_dcp_frame_rate (24);
+ f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
+ BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 50000);
+
+ f->set_source_frame_rate (25);
+ f->set_dcp_frame_rate (24);
+ f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 44100, 0)));
+ BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 50000);
+
+ /* Check some out-there conversions (not the best) */
+
+ f->set_source_frame_rate (14.99);
+ f->set_dcp_frame_rate (25);
+ f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 16000, 0)));
+ /* The FrameRateConversion within target_audio_sample_rate should choose to double-up
+ the 14.99 fps video to 30 and then run it slow at 25.
+ */
+ BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), rint (48000 * 2 * 14.99 / 25));
}
class TestJob : public Job
{
public:
- TestJob (shared_ptr<Film> f, shared_ptr<Job> req)
- : Job (f, req)
+ TestJob (shared_ptr<Film> f)
+ : Job (f)
{
}
{
shared_ptr<Film> f;
- /* Single job, no dependency */
- shared_ptr<TestJob> a (new TestJob (f, shared_ptr<Job> ()));
+ /* Single job */
+ shared_ptr<TestJob> a (new TestJob (f));
JobManager::instance()->add (a);
dvdomatic_sleep (1);
a->set_finished_ok ();
dvdomatic_sleep (2);
BOOST_CHECK_EQUAL (a->finished_ok(), true);
+}
- /* Two jobs, dependency */
- a.reset (new TestJob (f, shared_ptr<Job> ()));
- shared_ptr<TestJob> b (new TestJob (f, a));
-
- JobManager::instance()->add (a);
- JobManager::instance()->add (b);
- dvdomatic_sleep (2);
- BOOST_CHECK_EQUAL (a->running(), true);
- BOOST_CHECK_EQUAL (b->running(), false);
- a->set_finished_ok ();
- dvdomatic_sleep (2);
- BOOST_CHECK_EQUAL (a->finished_ok(), true);
- BOOST_CHECK_EQUAL (b->running(), true);
- b->set_finished_ok ();
- dvdomatic_sleep (2);
- BOOST_CHECK_EQUAL (b->finished_ok(), true);
-
- /* Two jobs, dependency, first fails */
- a.reset (new TestJob (f, shared_ptr<Job> ()));
- b.reset (new TestJob (f, a));
-
- JobManager::instance()->add (a);
- JobManager::instance()->add (b);
- dvdomatic_sleep (2);
- BOOST_CHECK_EQUAL (a->running(), true);
- BOOST_CHECK_EQUAL (b->running(), false);
- a->set_finished_error ();
- dvdomatic_sleep (2);
- BOOST_CHECK_EQUAL (a->finished_in_error(), true);
- BOOST_CHECK_EQUAL (b->running(), false);
+BOOST_AUTO_TEST_CASE (compact_image_test)
+{
+ SimpleImage* s = new SimpleImage (PIX_FMT_RGB24, libdcp::Size (50, 50), false);
+ BOOST_CHECK_EQUAL (s->components(), 1);
+ BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3);
+ BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3);
+ BOOST_CHECK (s->data()[0]);
+ BOOST_CHECK (!s->data()[1]);
+ BOOST_CHECK (!s->data()[2]);
+ BOOST_CHECK (!s->data()[3]);
+
+ /* copy constructor */
+ SimpleImage* t = new SimpleImage (*s);
+ BOOST_CHECK_EQUAL (t->components(), 1);
+ BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3);
+ BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3);
+ BOOST_CHECK (t->data()[0]);
+ BOOST_CHECK (!t->data()[1]);
+ BOOST_CHECK (!t->data()[2]);
+ BOOST_CHECK (!t->data()[3]);
+ BOOST_CHECK (t->data() != s->data());
+ BOOST_CHECK (t->data()[0] != s->data()[0]);
+ BOOST_CHECK (t->line_size() != s->line_size());
+ BOOST_CHECK (t->line_size()[0] == s->line_size()[0]);
+ BOOST_CHECK (t->stride() != s->stride());
+ BOOST_CHECK (t->stride()[0] == s->stride()[0]);
+
+ /* assignment operator */
+ SimpleImage* u = new SimpleImage (PIX_FMT_YUV422P, libdcp::Size (150, 150), true);
+ *u = *s;
+ BOOST_CHECK_EQUAL (u->components(), 1);
+ BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3);
+ BOOST_CHECK_EQUAL (u->line_size()[0], 50 * 3);
+ BOOST_CHECK (u->data()[0]);
+ BOOST_CHECK (!u->data()[1]);
+ BOOST_CHECK (!u->data()[2]);
+ BOOST_CHECK (!u->data()[3]);
+ BOOST_CHECK (u->data() != s->data());
+ BOOST_CHECK (u->data()[0] != s->data()[0]);
+ BOOST_CHECK (u->line_size() != s->line_size());
+ BOOST_CHECK (u->line_size()[0] == s->line_size()[0]);
+ BOOST_CHECK (u->stride() != s->stride());
+ BOOST_CHECK (u->stride()[0] == s->stride()[0]);
+
+ delete s;
+ delete t;
+ delete u;
}
+BOOST_AUTO_TEST_CASE (aligned_image_test)
+{
+ SimpleImage* s = new SimpleImage (PIX_FMT_RGB24, libdcp::Size (50, 50), true);
+ BOOST_CHECK_EQUAL (s->components(), 1);
+ /* 160 is 150 aligned to the nearest 32 bytes */
+ BOOST_CHECK_EQUAL (s->stride()[0], 160);
+ BOOST_CHECK_EQUAL (s->line_size()[0], 150);
+ BOOST_CHECK (s->data()[0]);
+ BOOST_CHECK (!s->data()[1]);
+ BOOST_CHECK (!s->data()[2]);
+ BOOST_CHECK (!s->data()[3]);
+
+ /* copy constructor */
+ SimpleImage* t = new SimpleImage (*s);
+ BOOST_CHECK_EQUAL (t->components(), 1);
+ BOOST_CHECK_EQUAL (t->stride()[0], 160);
+ BOOST_CHECK_EQUAL (t->line_size()[0], 150);
+ BOOST_CHECK (t->data()[0]);
+ BOOST_CHECK (!t->data()[1]);
+ BOOST_CHECK (!t->data()[2]);
+ BOOST_CHECK (!t->data()[3]);
+ BOOST_CHECK (t->data() != s->data());
+ BOOST_CHECK (t->data()[0] != s->data()[0]);
+ BOOST_CHECK (t->line_size() != s->line_size());
+ BOOST_CHECK (t->line_size()[0] == s->line_size()[0]);
+ BOOST_CHECK (t->stride() != s->stride());
+ BOOST_CHECK (t->stride()[0] == s->stride()[0]);
+
+ /* assignment operator */
+ SimpleImage* u = new SimpleImage (PIX_FMT_YUV422P, libdcp::Size (150, 150), false);
+ *u = *s;
+ BOOST_CHECK_EQUAL (u->components(), 1);
+ BOOST_CHECK_EQUAL (u->stride()[0], 160);
+ BOOST_CHECK_EQUAL (u->line_size()[0], 150);
+ BOOST_CHECK (u->data()[0]);
+ BOOST_CHECK (!u->data()[1]);
+ BOOST_CHECK (!u->data()[2]);
+ BOOST_CHECK (!u->data()[3]);
+ BOOST_CHECK (u->data() != s->data());
+ BOOST_CHECK (u->data()[0] != s->data()[0]);
+ BOOST_CHECK (u->line_size() != s->line_size());
+ BOOST_CHECK (u->line_size()[0] == s->line_size()[0]);
+ BOOST_CHECK (u->stride() != s->stride());
+ BOOST_CHECK (u->stride()[0] == s->stride()[0]);
+
+ delete s;
+ delete t;
+ delete u;
+}