Use ffmpeg calls for pixel parameters; add (and alter, hmm) tests to suit.

1 files changed, 99 insertions, 0 deletions

diff --git a/test/image_test.cc b/test/image_test.cc
new file mode 100644
index 000000000..a9ec3042a
--- /dev/null
+++ b/test/image_test.cc
@@ -0,0 +1,99 @@
+
+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;
+}
+
+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;
+}