Update MClk unit-test - new transportmaster API

1 files changed, 49 insertions, 0 deletions

diff --git a/libs/ardour/test/midi_clock_test.cc b/libs/ardour/test/midi_clock_test.cc
new file mode 100644
index 0000000000..fdccf56ab5
--- /dev/null
+++ b/libs/ardour/test/midi_clock_test.cc
@@ -0,0 +1,49 @@
+#include <sigc++/sigc++.h>
+#include "midi_clock_test.h"
+
+using namespace std;
+using namespace ARDOUR;
+
+CPPUNIT_TEST_SUITE_REGISTRATION(MIDIClock_Test);
+
+void
+MclkTestMaster::testStepResponse ()
+{
+	double      speed    = 1.0;
+	samplepos_t position = 0;
+	MIDI::Parser* parser = 0;
+
+	samplecnt_t period_size = 4096;
+	samplepos_t start_time  = 1000000;
+
+	start (*parser, start_time);
+
+	update_midi_clock (*parser, start_time);
+
+	for (samplecnt_t i = 1; i <= 100 * period_size; i++) {
+		/* simulate jitter */
+		samplecnt_t input_delta = samplecnt_t (one_ppqn_in_samples + 0.1 * (double(g_random_int()) / double (RAND_MAX)) * one_ppqn_in_samples);
+
+		if (i % input_delta == 0) {
+			update_midi_clock (*parser, start_time + i);
+		}
+
+		if (i % period_size == 0) {
+			samplepos_t most_recent;
+			samplepos_t when;
+			speed_and_position (speed, position, most_recent, when, start_time + i);
+			// TODO CPPUNIT_ASSERT_EQUAL ?!
+		}
+	}
+}
+
+void MIDIClock_Test::run_test ()
+{
+	/* Note: A running engine is required to construct
+	 * ARDOUR::MIDIClock_TransportMaster
+	 */
+	MclkTestMaster* m = new MclkTestMaster;
+	m->set_session (_session);
+	m->testStepResponse ();
+	delete m;
+}