few more basic ControList/Curve Tests

2 files changed, 168 insertions, 10 deletions

diff --git a/libs/evoral/test/CurveTest.cpp b/libs/evoral/test/CurveTest.cpp
index f4e2d606b6..36c4d808d2 100644
--- a/libs/evoral/test/CurveTest.cpp
+++ b/libs/evoral/test/CurveTest.cpp
@@ -43,7 +43,7 @@ CurveTest::twoPointLinear ()
 
 	// greetings to tartina
 	cl->curve ().get_vector (2048.0, 2048.0, vec, 1);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 2048-2048", 2560.f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 2048..2048", 2560.f, vec[0]);
 
 	/* XXX WHAT DO WE EXPECT WITH veclen=1 AND  x1 > x0 ? */
 #if 0
@@ -56,22 +56,174 @@ CurveTest::twoPointLinear ()
 #else
 	/* .. value at x0 */
 	cl->curve ().get_vector (2048.0, 2049.0, vec, 1);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 , 2048-2049", 2560.f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 , 2048..2049", 2560.f, vec[0]);
 
 	cl->curve ().get_vector (2048.0, 2056.0, vec, 1);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 , 2048-2049", 2560.f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 , 2048..2049", 2560.f, vec[0]);
 #endif
 
 	cl->curve ().get_vector (2048.0, 2048.0, vec, 2);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048-2048 @ 0", 2560.f, vec[0]);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048-2048 @ 1", 2560.f, vec[1]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2048 @ 0", 2560.f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2048 @ 1", 2560.f, vec[1]);
 
 	cl->curve ().get_vector (2048.0, 2056.0, vec, 2);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048-2056 @ 0", 2560.f, vec[0]);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048-2056 @ 0", 2562.f, vec[1]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2056 @ 0", 2560.f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2056 @ 0", 2562.f, vec[1]);
 
 	cl->curve ().get_vector (2048.0, 2056.0, vec, 3);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048-2056 @ 0", 2560.f, vec[0]);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048-2056 @ 1", 2561.f, vec[1]);
-	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048-2056 @ 2", 2562.f, vec[2]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048..2056 @ 0", 2560.f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048..2056 @ 1", 2561.f, vec[1]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048..2056 @ 2", 2562.f, vec[2]);
+
+	/* check out-of range..
+	 * we expect the first and last value - no interpolation
+	 */
+	cl->curve ().get_vector (-1, -1, vec, 1);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ -1", 2048.f, vec[0]);
+
+	cl->curve ().get_vector (9999.0, 9999.0, vec, 1);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 9999", 4096.f, vec[0]);
+
+	cl->curve ().get_vector (-999.0, 0, vec, 13);
+	for (int i = 0; i < 13; ++i) {
+		CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=13 @ -999..0", 2048.f, vec[i]);
+	}
+
+	cl->curve ().get_vector (9998.0, 9999.0, vec, 8);
+	for (int i = 0; i < 8; ++i) {
+		CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=8 @ 9998..9999", 4096.f, vec[i]);
+	}
+}
+
+void
+CurveTest::threePointLinear ()
+{
+	float vec[4];
+
+	boost::shared_ptr<Evoral::ControlList> cl = TestCtrlList();
+
+	cl->create_curve ();
+	cl->set_interpolation (ControlList::Linear);
+
+	// add 3 points to curve
+	cl->fast_simple_add (   0.0 , 2.0);
+	cl->fast_simple_add ( 100.0 , 4.0);
+	cl->fast_simple_add ( 200.0 , 0.0);
+
+	cl->curve ().get_vector (50.0, 60.0, vec, 1);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 50", 3.f, vec[0]);
+
+	cl->curve ().get_vector (100.0, 100.0, vec, 1);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 100", 4.f, vec[0]);
+
+	cl->curve ().get_vector (150.0, 150.0, vec, 1);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 150", 2.f, vec[0]);
+
+	cl->curve ().get_vector (130.0, 150.0, vec, 3);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 130..150 @ 0", 2.8f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 130..150 @ 2", 2.4f, vec[1]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 130..150 @ 3", 2.0f, vec[2]);
+
+	cl->curve ().get_vector (80.0, 160.0, vec, 3);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 80..160 @ 0", 3.6f, vec[0]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 80..160 @ 2", 3.2f, vec[1]);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 80..160 @ 3", 1.6f, vec[2]);
+}
+
+void
+CurveTest::threePointDiscete ()
+{
+	boost::shared_ptr<Evoral::ControlList> cl = TestCtrlList();
+	cl->set_interpolation (ControlList::Discrete);
+
+	// add 3 points to curve
+	cl->fast_simple_add (   0.0 , 2.0);
+	cl->fast_simple_add ( 100.0 , 4.0);
+	cl->fast_simple_add ( 200.0 , 0.0);
+
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+	cl->set_interpolation (ControlList::Linear);
+
+	CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+}
+
+void
+CurveTest::ctrlListEval ()
+{
+	boost::shared_ptr<Evoral::ControlList> cl = TestCtrlList();
+
+	cl->fast_simple_add (   0.0 , 2.0);
+
+	cl->set_interpolation (ControlList::Discrete);
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(160.));
+
+	cl->set_interpolation (ControlList::Linear);
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(160.));
+
+	cl->fast_simple_add ( 100.0 , 4.0);
+
+	cl->set_interpolation (ControlList::Discrete);
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+	cl->set_interpolation (ControlList::Linear);
+	CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+	cl->fast_simple_add ( 200.0 , 0.0);
+
+	cl->set_interpolation (ControlList::Discrete);
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+	cl->set_interpolation (ControlList::Linear);
+	CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+
+	cl->fast_simple_add ( 300.0 , 8.0);
+
+	cl->set_interpolation (ControlList::Discrete);
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+	CPPUNIT_ASSERT_EQUAL(0.0, cl->unlocked_eval(250.));
+	CPPUNIT_ASSERT_EQUAL(8.0, cl->unlocked_eval(999.));
+
+	cl->set_interpolation (ControlList::Linear);
+	CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(250.));
+	CPPUNIT_ASSERT_EQUAL(8.0, cl->unlocked_eval(999.));
+
+	cl->fast_simple_add ( 400.0 , 9.0);
+
+	cl->set_interpolation (ControlList::Discrete);
+	CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+	CPPUNIT_ASSERT_EQUAL(0.0, cl->unlocked_eval(250.));
+	CPPUNIT_ASSERT_EQUAL(8.0, cl->unlocked_eval(350.));
+	CPPUNIT_ASSERT_EQUAL(9.0, cl->unlocked_eval(999.));
+
+	cl->set_interpolation (ControlList::Linear);
+	CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+	CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+	CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+	CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(250.));
+	CPPUNIT_ASSERT_EQUAL(8.5, cl->unlocked_eval(350.));
+	CPPUNIT_ASSERT_EQUAL(9.0, cl->unlocked_eval(999.));
 }
diff --git a/libs/evoral/test/CurveTest.hpp b/libs/evoral/test/CurveTest.hpp
index 042ee90843..a1c37d4246 100644
--- a/libs/evoral/test/CurveTest.hpp
+++ b/libs/evoral/test/CurveTest.hpp
@@ -7,10 +7,16 @@ class CurveTest : public CppUnit::TestFixture
 {
 	CPPUNIT_TEST_SUITE (CurveTest);
 	CPPUNIT_TEST (twoPointLinear);
+	CPPUNIT_TEST (threePointLinear);
+	CPPUNIT_TEST (threePointDiscete);
+	CPPUNIT_TEST (ctrlListEval);
 	CPPUNIT_TEST_SUITE_END ();
 
 public:
 	void twoPointLinear ();
+	void threePointLinear ();
+	void threePointDiscete ();
+	void ctrlListEval ();
 
 private:
 	boost::shared_ptr<Evoral::ControlList> TestCtrlList() {